Publications2019William D. Fuller, Ann S. Almgren, Michele Rosso, John B. Bell, Jordan Musser, Robustness of CFDDEM to Algorithmic Changes: Initial Benchmarking of MFiXExa, submitted for publication, 2019. D. Fan, A. Nonaka, A. S. Almgren, A. Harpole, M. Zingale, MAESTROeX: A Massively Parallel Low Mach Number Astrophysical Solver submitted for publication, 2019. [arxiv] M. Zingale, M. P. Katz, J. B. Bell, M. L. Minion, A. J. Nonaka, W. Zhang, Improved Coupling of Hydrodynamics and Nuclear Reactions via Spectral Deferred Corrections, submitted for publication, 2019. [arxiv] Muhammad Nufail Farooqi, Tan Nguyen, Weiqun Zhang, Ann Almgren, John Shalf, and Didem Unat, "Asynchronous AMR on MultiGPUs", ISC High Performance conference: REFAC'19, 2019. Knut Sverdrup, Ann S. Almgren, and Nikolaos Nikiforakis, "An embedded boundary approach for efficient simulations of viscoplastic fluids in three dimensions", Physics of Fluids, 2019 [doi]. W. Zhang, A. Almgren, V. Beckner, J. Bell, J. Blaschke, C Chan, M. Day, B. Friesen, K. Gott, D. Graves, M. Katz, A. Myers T. Nguyen, A. Nonaka, M. Rosso, S. Williams and M. Zingale, AMReX: a framework for blockstructured adaptive mesh refinement, Journal of Open Source Software, 4(37), 1370, 2019. [doi] J. M. Epstein, K. Klymko, and K. K. Mandadapu, "Statistical mechanics of transport processes in active fluids. II. Equations of hydrodynamics for active Brownian particles," J. Chem. Phys., 150, 164111, 2019. [doi] L. Esclapez, V. Ricchiuti, J. B. Bell, and M. S. Day, "A spectral deferred correction strategy for low Mach number flows subject to electric fields," Submitted for publication in Combustion Theory and Modelling, 2019. D. R. Ladiges, A. J. Nonaka, J. B. Bell, and A. L. Garcia, "On the Suppression and Distortion of NonEquilibrium Fluctuations by Transpiration," Phys. Fluids, 149, 052002, 2019. [doi] A. Donev, A. J. Nonaka, C. Kim, A. L. Garcia and J. B. Bell, "Fluctuating hydrodynamics of electrolytes at electroneutral scales," Phys. Rev. Fluids. 4, 4, 2019. [link] E. Motheau and J. Wakefield, "Capturing shocks and turbulence spectra in compressible flows. Part 1: Comparison of low and highorder finitevolume methods," Submitted for publication, 2019. [arxiv] E. Motheau and J. Wakefield, "Capturing shocks and turbulence spectra in compressible flows. Part 2: A new hybrid PPM/WENO method," Submitted for publication, 2019. [arxiv] N. T. Wimer, M. S. Day, C. Lapointe, A. S. Makowiecki, J. F. Glusman, J. W. Daily, G. B. Rieker, P. E. Hamlington, "Highresolution numerical simulations of a largescale helium plume using adaptive mesh refinement" submitted for publication, 2019 [arxiv]. M. T. Henry de Frahan, S. Yellapantula, R. King, M. S. Day, R. W. Grout, "Deep learning for presumed probability density function models" submitted for publication, 2019. D. Dasgupta, W. Sun, M. Day, A. Aspden and T. Lieuwen, "Analysis of chemical pathways for ndodecane/air turbulent premixed flames," submitted for publication [arxiv] M. Zingale, K. Eiden, Y. Cavecchi, A. Harpole, J. B. Bell, M. Chang, I. Hawke, M. P. Katz, C.M. Malone, A. J. Nonaka, D. E. Willcox, and W. Zhang, "Toward resolved simulations of burning fronts in thermonuclear Xray bursts," Journal of Physics: Conference Series, 1225, p, 012005, 2019. [arxiv] A. J. Aspden, M. S. Day and J. B. Bell, "Towards the Distributed Burning Regime in Turbulent Premixed Flames," Journal of Fluid Mechanics 871, pp. 121. 2019. [arxiv] J. Bell, M. Day, J. Goodman, R. Grout and M. Morzfeld, "A Bayesian approach to calibrating hydrogen flame kinetics using many experiments and parameters," to appear: Combustion and Flame 2019. [arxiv] M. Emmett, E. Motheau, W. Zhang, M. Minion and J. B. Bell, "A FourthOrder Adaptive Mesh Refinement Algorithm for the Multicomponent, Reacting Compressible NavierStokes Equations", Combustion Theory and Modelling, 23:4, 592625, 2019. [arxiv] J. Mueller and M. Day, "Surrogate Optimization of Computationally Expensive Blackbox Problems with Hidden Constraints" INFORMS Journal on Computing, to appear, 2019. W. Langhans, J. Mueller and W.D. Collins, "Optimization of the EddyDiffusivity/MassFlux shallow cumulus and boundarylayer parametrization using surrogate models" Journal of Advances in Modeling Earth Systems (JAMES), to appear, 2019. A. Donev, A. L. Garcia, J.P. Péraud, A. J. Nonaka and J. B. Bell, "Fluctuating hydrodynamics and DebyeHückelOnsager theory for electrolytes," Current Opinion in Electrochemistry, 13, 2019. [link], [arxiv] 2018M. N. Farooqi, T. Nguyen, W. Zhang, A. S. Almgren, J. Shalf, and D. Unat, "Phase asynchronous AMR execution for productive andperformant astrophysical flows", Proceedings of the International Conference for High Performance Computing, Networking, Storage, and Analysis, 2018, p. 70 F. P. Hamon, M. S. Day, M. L. Minion, "Concurrent Implicit Spectral Deferred Correction Scheme for LowMach Number Combustion with Detailed Chemistry", Combustion and Flame 2018. [arxiv] [doi] Knut Sverdrup, Nikolaos Nikiforakis, and Ann S. Almgren, "Highly parallelisable simulations of timedependent viscoplastic fluid flow simulations with structured adaptive mesh refinement", Physics of Fluids, 30:9, 2018. Named Editor's Pick. [doi] C. Kim, A. Nonaka, J.B. Bell, A.L. Garcia, and A. Donev, "Fluctuating hydrodynamics of reactive liquid mixtures," J. Chem. Phys. 149, 084113, 2018. [doi] [arxiv] K.S. Kim, M.H. Han, C. Kim, Z. Li, G.E. Karniadakis, and E.K. Lee, "Nature of intrinsic uncertainties in equilibrium molecular dynamics estimation of shear viscosity for simple and complex fluids," J. Chem. Phys. 149, 044510, 2018. [doi] [arxiv] J.L. Vay, A. Almgren, J. Bell, L. Ge, D. P. Grote, M. Hogan, O. Kononenko, R. Lehe, A. Myers, C. Ng, J. Park, R. Ryne, O. Shapoval, M. Thevenet, W. Zhang "WarpX: a new exascale computing platform for beamplasma simulations," Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2018 [arxiv] Deepak K. Dalakoti, Alex Krisman, Bruno Savard, Armin Wehrfritz, Haiou Wang, Marc S. Day, John B. Bell, and Evatt R Hawkes "Structure and propagation of twodimensional, partially premixed, laminar flames in diesel engine conditions," to appear Proc. Combust. Inst. E. Motheau, M. Duarte, A. Almgren, J. Bell, "A Hybrid Adaptive LowMachNumber/Compressible Method: Euler Equations," Journal of Computational Physics, Volume 372, Pages 10271047, 2018. [pdf]. Alan Calder, Platon I. Karpov, Maria Barrios Sazo, Michael Zingale, and Weiqun Zhang Toward simulating Black Widow binaries with CASTRO Journal of Computational Science Education Volume 8, Issue 3, pp. 2529, 2018 M. Morzfeld, M. Day, R. Grout, G. S. H. Pau, S. Finsterle, J. Bell, "Iterative importance sampling algorithms for parameter estimation problems," SIAM J. Scientific Computing 40 (2) B329B352, 2018. [arxiv] A. Donev, C.Y. Yang, and C. Kim, "Efficient reactive Brownian dynamics," J. Chem. Phys. 148, 034103, 2018. [doi] [arxiv] K.H. Han, C. Kim, P. Talkner, G.E. Karniadakis, and E.K. Lee, "Molecular hydrodynamics: Vortex formation and sound wave propagation," J. Chem. Phys. 148, 024506, 2018. [doi] [arxiv] S. Götschel and M. Minion, "ParallelinTime for Parabolic Optimal Control Problems Using PFASST", Domain Decomposition Methods in Science and Engineering XXIV (to appear). [preprint] D. J. Gardner, J. E. Guerra, F. P. Hamon, D. R. Reynolds, P. A. Ullrich, C. S. Woodward, "ImplicitExplicit RungeKutta Methods for NonHydrostatic Atmospheric Models", Geosci. Model Dev., 11(4), pp 14971515, 2018. [pdf] F. P. Hamon, B. T. Mallison, H. A. Tchelepi, "Implicit Hybrid Upwinding for TwoPhase Flow in Heterogeneous Porous Media with Buoyancy and Capillarity", Comput. Methods in Appl. Mech. Eng., 331, pp 701727, 2018. [link] A. Nonaka, M. S. Day, and J. B. Bell, "A conservative, thermodynamically consistent numerical approach for low Mach number combustion. I. Singlelevel integration," Combust. Theor. Model., vol. 22, no. 1, pp. 156184, 2018. [link] M. Zingale, A. S. Almgren, M. G. Barrios Sazo, V. E. Beckner, J. B. Bell, B. Friesen, A. M. Jacobs, M. P. Katz, C. M. Malone, A. J. Nonaka, D. E. Willcox, and W. Zhang, "Meeting the Challenges of Modeling Astrophysical Thermonuclear Explosions: Castro, Maestro, and the AMReX Astrophysics Suite", J. Phys.: Conf. Ser. 1031, 2018. [arxiv] [iop] 2017B. Choi, K.H. Han, C. Kim, P. Talkner, A. Kidera, and E.K. Lee, "Nature of selfdiffusion in twodimensional fluids," New J. Phys. 19, 123038, 2017. [doi] [arxiv] E. Lovegrove, S.E. Woosley, and W. Zhang, "Very Lowenergy Supernovae: Light Curves and Spectra of Shock Breakout", Astrophysical Journal, 845, 103, 2017. [arxiv] B. Bastem, D. Unat, W. Zhang, A. Almgren, and J. Shalf, "Overlapping Data Transfers with Computation on GPU with Tiles", 2017 46th International Conference on Parallel Processing (ICPP), pp. 171180 [link] JP. Péraud, A. Nonaka, J. B. Bell, A. Donev, and A. L. Garcia, "Fluctuationenhanced electric conductivity in electrolyte solutions", P. Natl. Acad. Sci. USA, 114, 41, 2017. [link] Muhammad Nufail Farooqi, Didem Unat, Tan Nguyen, Weiqun Zhang, Ann Almgren and John Shalf, "Nonintrusive AMR Asynchrony for Communication Optimization," EuroPar 2017 [pdf] Emmanuel Motheau, Ann Almgren, John Bell, "NavierStokes Characteristic Boundary Conditions Using Ghost Cells," AIAA J., Vol. 55, No. 10 : pp. 33993408, 2017 [doi] C. Kim, A. Nonaka, J. B. Bell, A. L. Garcia, and A. Donev, "Stochastic simulation of reactiondiffusion systems: A fluctuatinghydrodynamics approach," J. Chem. Phys. 146, 124110, 2017. [doi] [arxiv] D. Dalakoti, E. Hawkes, M. Day and J. Bell, "Direct numerical simulation of twostage combustion and flame stabilization in diesel enginerelevant conditions" 26th ICDERS, 2017. E. Motheau, A. Almgren and J.B. Bell. "NavierStokes Characteristic Boundary Conditions Using Ghost Cells", 23rd AIAA Computational Fluid Dynamics, Denver, CO, USA, June 6 2017. [pdf] E. Motheau, M. Duarte, A. Almgren and J.B. Bell. " A Hybrid Adaptive LowMachNumber/Compressible Method for the Euler Equations", 23rd AIAA/CEAS Aeroacoustics Conference, Denver, CO, USA, June 5 2017. [pdf] J. Mueller and J. Woodbury, "GOSAC: Global Optimization with Surrogate Approximation of Constraints", Journal of Global Optimization. 69(1), pp 117136, 2017. [link]. J. Mueller, "SOCEMO: Surrogate Optimization of Computationally Expensive MultiObjective Problems", INFORMS Journal on Computing. 29(4), pp 581596, 2017. [link]. R.W.Grout, H. Kolla, M.L. Minion and J.B. Bell, "Achieving algorithmic resilience for temporal integration through spectral deferred corrections," Commun. in Appl. Math. and Comput. Sci, 12(1), pp 2550, 2017. [arxiv]. D. Dasgupta, M. Day, W. Sun and T. Lieuwen, "Effect of turbulencechemistry interactions on chemical pathways for turbulent hydrogenair premixed flames," Combust. Flame, 176, pp. 191201, 2017. D. Dasgupta, W. Sun, M. Day, T. Lieuwen "Sensitivity of chemical pathways to reaction mechanisms for ndodecane," 10th U. S. National Combustion Meeting, April, 2017. D. Dasgupta, W. Sun, M. Day and T. Lieuwen, "Turbulence effects on the chemical pathways for premixed Methane/Air flames," 55th AIAA Aerospace Sciences Meeting, January, 2017. [doi] A. J. Aspden, J. B. Bell, M. S. Day and F. N. Egolfopoulos, "TurbulenceFlame Interactions in Lean Premixed Dodecane Flames," Proc. Combust. Inst., 36(2), pp. 20052016, 2017. [doi] 2016Cy Chan, John Bachan, Joseph Kenny, Jeremiah Wilke, Vincent Beckner, Ann Almgren and John Bell "TopologyAware Performance Optimization and Modeling of Adaptive Mesh Refinement Codes for Exascale," COMHPC 2016  SC16 Workshop on Communication Optimization in High Performance Computing, Salt Lake City, UT, November 18, 2016. [pdf] T. Nguyen, D. Unat, W. Zhang, A. Almgren, N. Farooqi, J. Shalf, "Perilla: Metadatabased optimizations of an asynchronous runtime for adaptive mesh refinement," SC '16 Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis, p. 81, 2016 H. Shan, S. Williams, Y. Zheng, W. Zhang, B. Wang, S. Ethier, Z. Zhao, "Experiences of applying onesided communication to nearestneighbor communication," Proceedings of the First Workshop on PGAS Applications, pp 1724, 2016 [pdf] J. Peraud, A. Nonaka, A. Chaudhri, J. B. Bell, A. Donev, and A. L. Garcia, "Low Mach Number Fluctuating Hydrodynamics for Electrolytes," Phys. Rev. Fluids, 1, 074103, 2016. [link] Brian Friesen, Ann Almgren, Zarija Lukic, Gunther Weber, Dmitriy Morozov, Vincent Beckner, Marcus Day, "In situ and intransit analysis of cosmological simulations," Computational Astrophysics and Cosmology, 3:4, 2016 [pdf] Wahid Bhimji, Debbie Bard, Melissa Romanus, David Paul, Andrey Ovsyanikov, Brian Friesen, Matt Bryson, Joaquin Correa, Glenn K. Lockwood, Vakho Tsulaia, Suren Byna, Steve Farrell, Doga Gursoy, Chris Daley, Vincent Beckner, Brian van Straalen, Nicholas J. Wright, Katie Antypas, Prabhat, "Accelerating Science with the NERSC Burst Buffer Early User Program," CUG 2016 [pdf] D. Unat, T. Nguyen, W. Zhang, M. N. Farooqi, B. Bastem, G. Michelogiannakis, A. Almgren, and J. Shalf, "TiDA: HighLevel Programming Abstractions for Data Locality Management," High Performance Computing: 31st International Conference, ISC High Performance 2016, Springer, pp 116135, 2016. Weiqun Zhang, Ann Almgren, Marcus Day, Tan Nguyen, John Shalf, Didem Unat, "BoxLib with Tiling: An AMR Software Framework," SIAM J. Scientific Computing, 38(5):S156S172 , 2016 [arxiv] Max P. Katz, Michale Zingale, Alan C. Calder, F. Douglas Swesty, Ann S. Almgren, Weiqun Zhang, "White Dwarf Mergers on Adaptive Meshes. I. Methodology and Code Verification", Astrophysical Journal, 819, 94, 2016. [arxiv] W. Pazner, A. Nonaka, J. B. Bell, M. S. Day, and M. L. Minion, "A HighOrder Spectral Deferred Correction Strategy for Low Mach Number Flow With Complex Chemistry," Combust. Theor. Model., vol. 20, no. 3, pp. 521547, 2016. [link] A. J. Aspden, M. S. Day and J. B. Bell, "ThreeDimensional Direct Numerical Simulation of Turbulent Lean Premixed Methane Combustion with Detailed Kinetics," Combustion and Flame, 166, pp. 266283, 2016. [DOI] A.M. Jacobs, M. Zingale, A. Nonaka, A.S. Almgren, J.B. Bell, "Low Mach Number Modeling of Convection in Helium Shells on SubChandrasekhar White Dwarfs II: Bulk Properties of Simple Models," Astrophysical Journal, 827, 84, 2016. [iop]. W. Schmidt, J.F. Engels, J.C. Niemeyer, A.S. Almgren, "Hot and Turbulent Gas in Clusters," Monthly Notices of the Royal Astronomical Society, 459(1), 701719, 2016 [arxiv]. D. Dasgupta, W. Sun, M. Day and T. Lieuwen, "Investigation of chemical pathways for turbulent HydrogenAir premixed flames" AIAA Aerospace Sciences Meeting, San Diego, CA, 2016. [DOI] J. Mueller, "MISO: MixedInteger Surrogate Optimization Framework", Optimization and Engineering, 17:1, 177203, March 2016. [link]. 2015A. Donini, M.S. Day, R.J.M. Bastiaans, J.A. van Oijen and L.P.H. de Goey, "An a Priori DNS Subgrid Analysis of the Presumed betaPDF Model," J. Hydrogen Energy, 40(37), pp. 1281112823, 2015. KeJung Chen, Alexander Heger, Stan Woosley, Ann Almgren and Daniel J. Whalen, "PairInstability Supernovae of NonZero Metallicity Stars," Numerical Modeling of Space Plasma Flows, ASTRONUM2014, 498, 2015. [arxiv]. A. Nonaka, Y. Sun, J. B. Bell, and A. Donev, "Low Mach Number Fluctuating Hydrodynamics of Binary Liquid Mixtures," Comm. App. Math. and Comp. Sci., vol. 10, no. 2, 2015. [pdf]. M. Zingale, A. Jacobs, A. Almgren, J. Bell, A. Nonaka, C. Malone, S. Woosley, "Understanding Ignition in Type Ia Supernovae", 25rd International Colloquium on the Dynamics of Explosions and Reactive Systems, Leeds, UK, August 27, 2015. A. K. Bhattacharjee, K. Balakrishnan, A. L. Garcia, J. B. Bell, and A. Donev, "Fluctuating hydrodynamics of multispecies reactive mixtures," J. Chem. Phys., 142, 224107, 2015 [arxiv]. A. Donev, A. Nonaka, A. K. Bhattacharjee, A. L. Garcia, and J. B. Bell, "Low Mach Number Fluctuating Hydrodynamics of Multispecies Liquid Mixtures," Phys. Fluids, 27, 037103, 2015. [arxiv]. M. Day, S. Tachibana, J. Bell, M. Lijewski, V. Beckner and R. Cheng, "A combined computational and experimental characterization of lean premixed turbulent low swirl laboratory flames. II. Hydrogen flames.", Combustion and Flame, 162(5), pp. 21482165, 2015. [CNF]. Zarija Lukic, Casey Stark, Peter Nugent, Martin White, Avery Meiksin, Ann Almgren, "The Lymanalpha forest in opticallythin hydrodynamical simulations," Monthly Notices of the Royal Astronomical Society, 446, 36973724, 2015. [arxiv]. W. Schmidt, J. Schulz, L. Iapichino, A.S. Almgren, " Influence of adaptive mesh refinement and the hydro solver on shearinduced mass stripping in a minor merger scenario," Astronomy and Computing, 9, 4964, March 2015 [arxiv]. A. Amato, M. Day, R. K. Cheng, J. Bell, D. Dasgupta, T. Lieuwen, "Topology and Burning Rates of Turbulent, Lean, H2Air Flames", Combustion and Flame 162, pp. 45534565, 2015 [DOI]. M. Zingale, C. M. Malone, A. Nonaka, A. S. Almgren, and J. B. Bell, "Comparisons of Two and ThreeDimensional Convection in Type I Xray Bursts," Astrophysical Journal, 807, 60, 2015. [arxiv]. M. Duarte, A.S. Almgren, and J.B. Bell, "A Low Mach Number Model for Moist Atmospheric Flows," Journal of the Atmospheric Sciences, 72(4), pp. 16051620, 2015 [arxiv]. M. Minion, R. Speck, M. Bolten, M. Emmett, and D. Ruprecht "Interweaving PFASST and parallel multigrid", SIAM J. Scientific Computing, 37(5), pp. S244S263, 2015. R. Speck, D. Ruprecht, M. Minion, and R. Krause, "Inexact Spectral Deferred Corrections", Domain Decomposition Methods in Science and Engineering XXII, 104, pp. 127133, 2015. J.C. Dolence, A. Burrows, and W. Zhang, "TwoDimensional CoreCollapse Supernova Models with MultiDimensional Transport," Astrophysical Journal, 800, 10, 2015. [arxiv]. Didem Unat, Cy Chan, Weiqun Zhang, Samuel Williams, John Bachan, John Bell, and John Shalf "ExaSAT: An Exascale CoDesign Tool for Performance Modeling," International Journal of High Performance Computing Applications (IJHPCA), February 2015, doi: 10.1177/1094342014568690 2014A. Amato, M. Day, R. K. Cheng, J. Bell, T. Lieuwen, "Leading Edge Statistics of Turbulent, Lean, H2Air Flames," Proc. Combust. Inst. 35, pp. 13131320, 2014. [PCI]. M. Duarte, and M. Emmett "High order schemes based on operator splitting and deferred corrections for stiff time dependent PDEs", https://hal.archivesouvertes.fr/hal01016684, 2014. R. Speck, D. Ruprecht, M. Emmett, M. Bolten, and R. Krause "A spacetime parallel solver for the threedimensional heat equation", Parallel Computing: Accelerating Computational Science and Engineering (CSE), 25, pp. 263272. IOS Press. 2014. J. Mueller, R. Paudel, N. Mahowald, C. Shoemaker, "CH4 Parameter Estimation in CLM4.5bgc Using Surrogate Global Optimization", Geoscientific Model Development, 8:141207, 2015 [pdf]. Antonio Valles and Weiqun Zhang, "Optimizing For Reacting NavierStokes Equations" in "High Performance Parallelism Pearls: Multicore And ManyCore Programming Approaches", James Reinder and Jim Jeffers (Eds.), Morgan Kaufmann, 2014. [link] A.J. Aspden, M. S. Day, and J. B. Bell, "TurbulenceChemistry Interaction in Lean Premixed Hydrogen Combustion," Proc. Combust. Inst. 35(2), pp. 13211329, 2014 [PCI]. Anuj Chaudhri, John Bell, Alejandro Garcia and Aleksandar Donev "Modeling MultiPhase Flow using Fluctuating Hydrodynamics", Phys. Rev. E, 90(3), 033014, 2014. [arxiv]. M. Cai, A. Nonaka, B. E. Griffith, J. B. Bell, and A. Donev, "Efficient VariableCoefficient FiniteVolume Stokes Solvers," Commun. Comput. Phys., 16, 12631297, 2014. [link] Ann Almgren, John Bell, Andy Nonaka and Michael Zingale, "Low Mach Number Modeling of Stratified Flows," Finite Volumes for Complex Applications VII  Methods and Theoretical Aspects, Springer Proceedings in Mathematics and Statistics, eds. J. Fuhrmann, M. Ohlberger, C. Rohde, Berlin, June 2014. [link] A. Dubey, A. Almgren, J. Bell, M. Berzins, S. Brandt, G. Bryan, P. Colella, D. Graves, M. Lijewski, F. Loffler, B. O'Shea, E. Schnetter, B. Van Straalen, K. Weide "A Survey of High Level Frameworks in BlockStructured Adaptive Mesh Refinement Packages", Journal of Parallel and Distributed Computing, 74, pp. 32173227, 2014 [arxiv] [doi]. H. Braun, W. Schmidt, J.C. Niemeyer, A.S. Almgren, "Largeeddy simulations of isolated disk galaxies with thermal and turbulent feedback," Monthly Notices of the Royal Astronomical Society, 442, pp. 34073426, 2014. A. Donev, A. Nonaka, Y. Sun, T. Fai, A. Garcia and J. Bell, "Low Mach Number Fluctuating Hydrodynamics of Diffusively Mixing Fluids" Comm. App. Math. and Comp. Sci., vol. 9, no. 1, 2014. [pdf] C. M. Malone, M. Zingale, A. Nonaka, A. S. Almgren, and J. B. Bell, "Multidimensional Modeling of Type I Xray Bursts. II. TwoDimensional Convection in a Mixed H/He Accretor", Astrophysical Journal, 788, 115, 2014. [arxiv] W. Schmidt, A.S. Almgren, H. Braun, J.F. Engels, J.C. Niemeyer, R.R. Mekuria, A.J. Aspden, J.B. Bell, "Cosmological Fluid Mechanics with Adaptively Refined Large Eddy Simulations," Monthly Notices of the Royal Astronomical Society, 440, pp. 30513077, 2014. [arxiv] K. Balakrishnan, A. Garcia, A. Donev, and J. Bell, "Fluctuating hydrodynamics of multispecies nonreactive mixtures" Physical Review E, vol. 89, No. 1, January 2014. [pdf] C. M. Malone, A. Nonaka, S. E. Woosley, A. S. Almgren, J. B. Bell, S. Dong, and M. Zingale, "The Deflagration Stage of Chandrasekhar Mass Models for Type Ia Supernovae: I. Early Evolution", Astrophysical Journal, 782, 11, 2014. [iop] Samuel Williams, Mike Lijewski, Ann Almgren, Brian Van Straalen, Erin Carson, Nicholas Knight, and James Demmel, "sStep Krylov Subspace Methods as Bottom Solvers for Geometric Multigrid", Proceedings of the 28th IEEE International Parallel & Distributed Processing Symposium, May 2014. KeJung Chen, Alexander Heger, Stan Woosley, Ann Almgren, and Daniel Whalen, "Pair Instability Supernovae of Very Massive Population III Stars" Astrophysical Journal, 792, 44, 2014. [arxiv]. KeJung Chen, Alexander Heger, S.E. Woosley, Ann S. Almgren, and Daniel J. Whalen, "TwoDimensional Simulations of Pulsational PairInstability Supernova", Astrophysical Journal, 792, 28, 2014. [arxiv]. KeJung Chen, Alexander Heger, S.E. Woosley, Ann Almgren, and Daniel J. Whalen, and Jarrett L. Johnson, "The General Relativistic Instability Supernova of a Supermassive Population III Star", Astrophysical Journal, 790, 162, 2014. M. Duarte, A.S. Almgren, K. Balakrishnan, J.B. Bell, D.M. Romps, "A Numerical Study of Methods for Moist Atmospheric Flows: Compressible Equations," Monthly Weather Review, 142, pp. 42694283, 2014 [arxiv]. M. Emmett, W. Zhang, J.B. Bell, "HighOrder Algorithms for Compressible Reacting Flow with Complex Chemistry", Combustion Theory and Modelling, pp. 361387, May 2014 [doi] [arxiv]. R. Speck, D. Ruprecht, M. Emmett, M. Minion, M. Bolten, and R. Krause "A multilevel spectral deferred correction method", BIT Numerical Mathematics, 2014 [arxiv]. S. Descombes, M. Duarte, T. Dumont, F. Laurent, V. Louvet, and M. Massot, "Analysis of operator splitting in the nonasymptotic regime for nonlinear reactiondiffusion equations. Application to the dynamics of premixed flames", SIAM J. Num. Anal., 52, 13111334, 2014. [arxiv]. M. Emmett and M. Minion "Efficient implementation of a multilevel parallel in time algorithm", Proceedings of the 21st International Conference on Domain Decomposition Methods, DD21, , 98, 359366, 2014. 2013J. B. Bell, M. S. Day and M. J. Lijewski, "Simulation of Nitrogen Emissions in a Premixed Hydrogen Flame Stabilized on a Low Swirl Burner", Proceedings of the Combustion Institute, Proceedings of the Combustion Institute, 34(1), pp. 11731182, 2013. [pdf] KeJung Chen, Alexander Heger, and Ann S. Almgren, "Numerical Approaches for Multidimensional Simulations of Stellar Explosions", Astronomy and Computing, 34, pp. 7078, Nov.Dec. 2013. [doi] Didem Unat, Cy Chan, Weiqun Zhang, John Bell, and John Shalf, Tiling as a Durable Abstraction for Parallelism and Data Locality, WOLFHPC 2013  SC13 Workshop on DomainSpecific Languages and HighLevel Frameworks for HighPerformance Computing, 2013. Cy Chan, Joseph Kenny, Gilbert Hendry, Didem Unat, Vincent Beckner, John Bell and John Shalf, An AMR Computation and Communication Dependency and Analysis Methodology, IA^3 2013  SC13 Workshop on Irregular Applications: Architectures and Algorithms, 2013. [arxiv] K. Chen, A. Heger, S. Woosley, A. Almgren, and W. Zhang, "The Most Powerful Stellar Explosion", Bulletin of the American Physical Society, 2013, vol. 58, no. 4. Cy Chan, Didem Unat, Michael Lijewski, Weiqun Zhang, John Bell, and John Shalf, "Software Design Space Exploration for Exascale Combustion Codesign", International Supercomputing Conference 2013, Lecture Notes in Computer Science, vol. 7905, 2013, pp 196212. C. Gilet, A.S. Almgren, J.B. Bell, A. Nonaka, S.E. Woosley and M. Zingale, "LowMach Number Modeling of Core Convection in Massive Stars", Astrophysical Journal, 773, 137, 2013. [pdf] Haitao Ma, Stan Woosley, Chris Malone, Ann Almgren, and J.B. Bell, "Carbon Deflagration in Type Ia Supernovae: I. Centrally Ignited Models", Astrophysical Journal, 771, 58, 2013. M. Zingale, A. Nonaka, A. S. Almgren, J. B. Bell, C. Malone, and R. Orvedahl, "Low Mach Number Modeling of Convection in Helium Shells on SubChandrasekhar White Dwarfs. I. Methodology", Astrophysical Journal, 764, 97, 2013. [pdf] Weiqun Zhang, L. Howell, A. Almgren, A. Burrows, J. Dolence, J. Bell, "CASTRO: A New Compressible Astrophysical Solver. III. Multigroup Radiation Hydrodynamics", Astrophysical Journal Supplement Series, 204, 7, 2013. [pdf] A.S. Almgren, A.J. Aspden, J. B. Bell, and M. L. Minion, "On the Use of HigherOrder Projection Methods for Incompressible Turbulent Flow", SIAM J. Sci. Comput., 35, 1, B25B42, 2013. [pdf] A. S. Almgren, J. B. Bell, M.J. Lijewski, Z. Lukic, E. Van Andel, "Nyx: A Massively Parallel AMR Code for Computational Cosmology" Astrophysical Journal, 765, 39, 2013. [pdf] 2012KeJung Chen, Alexander Heger and Ann Almgren, "Conservative Initial Mapping for Multidimensional Simulations of Stellar Explosions", Journal of Physics: Conference Series, 402, Conf. 1, 2012. R. Speck, D. Ruprecht, R. Krause, M. Emmett, M. Minion, M. Winkel, and P. Gibbon, "A massively spacetime parallel Nbody solver", Proceedings of the International Conference on High Performance Computing, SC'12, 92:111, 2012. R. Speck, D. Ruprecht, R. Krause, M. Emmett, M. Minion, M. Winkel, and P. Gibbon, "Integrating an Nbody problem with SDC and PFASST", Proceedings of the 21st International Conference on Domain Decomposition Methods, DD21, 2012. F. Balboa Usabiaga, J. Bell, R. DelgadoBuscalioni, A. Donev, T. Fai, B. Griffith, C. Peskin, "Staggered Schemes for Fluctuating Hydodynamics", Multiscale Modeling and Simulation, 10, 4, 13601408, 2012. [pdf] K. Balakrishnan, J.B. Bell, A. Donev, and A. Garcia, "Fluctuating Hydrodynamics and Direct Simulation Monte Carlo", 28th International Symposium on Rarefied Gas Dynamics , AIP Conf. Proc. 1501 , 695704, 2012. [pdf] A. Nonaka, J. B. Bell, M. S. Day, C. Gilet, A. S. Almgren, and M. L. Minion, "A Deferred Correction Coupling Strategy for Low Mach Number Flow with Complex Chemistry", Combustion Theory and Modelling, 16(6), pp. 10531088, 2012. [pdf] R. Sisneros, C. Malone, A. Nonaka, and S. Woosley, "Investigation of Turbulence in the Early Stages of a High Resolution Supernova Simulation", Proceedings of the Supercomputing 2012 Conference. [pdf] R. Tiron, A.S. Almgren, R. Camassa, "Shear instability of internal solitary waves in Euler fluids with thin pycnoclines", Journal of Fluid Mechanics, 710, pp. 324361, 2012. S. Williams, D. Kalamkar, A. Singh, A. Deshpande, B. Van Straalen, M. Smelyanskiy, A. Almgren, P. Dubey, J. Shalf, L. Oliker, "Optimization of Geometric Multigrid for Emerging Multi and Manycore Processors", Proceedings of the Supercomputing 2012 Conference, 2012. Samuel Williams, Dhiraj D. Kalamkar, Amik Singh, Anand M. Deshpande, Brian Van Straalen, Mikhail Smelyanskiy, Ann Almgren, Pradeep Dubey, John Shalf, Leonid Oliker, "Implementation and Optimization of miniGMG  a Compact Geometric Multigrid Benchmark", LBNL 6676E, December 2012. A. Nonaka, A. J. Aspden, M. Zingale, A. S. Almgren, J. B. Bell, and S. E. Woosley, "HighResolution Simulations of Convection Preceding Ignition in Type Ia Supernovae Using Adaptive Mesh Refinement", Astrophysical Journal, 745, 73, 2012. [pdf] [arxiv] J. Nordhaus, T.D. Brandt, A. Burrows, A. Almgren, "The Hydrodynamic Origin of Neutron Star Kicks", Monthly Notices of the Royal Astronomical Society, 423, Issue 2, June 2012. K. Balakrishnan, A. L. Kuhl, J. B. Bell and V. E. Beckner, "An Empirical Model for the Ignition of Explosively Dispersed Aluminum Particle Clouds", Shock Waves, 22, 591, 2012. [pdf] G. S. H. Pau, J. B. Bell, A. S. Almgren, K. M. Fagnan and M. J. Lijewski, "An Adaptive Mesh Refinement Algorithm for Compressible TwoPhase Flow In Porous Media", Computational Geosciences, 16, 577592, 2012. [pdf] M. Day, S. Tachibana, J. Bell, M. Lijewski, V. Beckner and R. Cheng, "A combined computational and experimental characterization of lean premixed turbulent low swirl laboratory flames. I. Methane flames.", Combustion and Flame, 159(1), 275290, 2012. [pdf] 2011K.M. Fagnan, M.J. Lijewski, G.Pau, N.J. Wright, "Acceleration of porous media simulations on the Cray XE6 platform", Proceedings of CUG2011, Fairbanks, Alaska, 2011. Emmanouela Rantsiou, Adam Burrows, Jason Nordhaus, Ann Almgren, "Induced Rotation in ThreeDimensional Simulations of CoreCollapse Supernovae: Implications for Pulsar Spins," Astrophysical Journal, 732, 57, 2011. [arxiv]. Adam Burrows, Jason Nordhaus, Ann Almgren, John Bell, "The potential role of spatial dimension in the neutrinodriving mechanism of corecollapse supernova explosions,", Comp. Phys. Comm., 182, Issue 9, pp. 17641766, 2011. A. Garcia, A. Donev, J.B. Bell, and B. Alder, "Hydrodynamic fluctuations in a particlecontinuum hybrid for complex fluids", 27th International Symposium on Rarefied Gas Dynamics , AIP Conf. Proc. 1333 , 551556, 2011. [pdf] K. Balakrishnan, A. L. Kuhl, J. B. Bell and V. E. Beckner, "An Empirical Model for the Ignition of Aluminum Particle Clouds Behind Blast Waves", 23rd International Colloquium on the Dynamics of Explosions and Reactive Systems, Irvine, CA, July 2429, 2011. [pdf] K. Balakrishnan, A. L. Kuhl, J. B. Bell and V. E. Beckner, "Ignition of Aluminum Particle Clouds Behind Reflected Shock Waves", 23rd International Colloquium on the Dynamics of Explosions and Reactive Systems, Irvine, CA, July 2429, 2011. [pdf] A. L. Kuhl, J. B. Bell, V. E. Beckner and K. Balakrishnan, "Spherical Combustion Clouds in Explosions", 23rd International Colloquium on the Dynamics of Explosions and Reactive Systems, Irvine, CA, July 2429, 2011. [pdf] A. Nonaka, A. S. Almgren, J. B. Bell, H. Ma, S. E. Woosley, and M. Zingale, "From Convection to Explosion: EndtoEnd Simulation of Type Ia Supernovae," Proceedings of SciDAC 2011, Denver, Colorado, July 2011. [pdf] [arxiv] K. Balakrishnan, J. B. Bell, A. L. Kuhl and W. M. Howard, "Riemann Solver for the Nigmatulin Model of TwoPhase Flow", 17th Biennial International Conference of the APS Topical Group on Shock Compression of Condensed Matter, Chicago, IL, June 26July 1, 2011. W. Zhang, L. Howell, A. Almgren, A. Burrows, and J. Bell "CASTRO: A New Compressible Astrophysical Solver. II. Gray Radiation Hydrodynamics", Astrophysical Journal Supplement Series, 196, 20, 2011 [pdf] A. Donev, A. de la Fuente, J. B. Bell, and A. L. Garcia, "Enhancement of Diffusive Transport by Nonequilibrium Thermal Fluctuations", JSTAT, Vol. 2011, P06014, (2011). [pdf] A. Donev, A. de la Fuente, J. B. Bell, and A. L. Garcia, "Diffusive Transport by Thermal Velocity Fluctuations", Phys. Rev. Lett., Vol. 106, No. 20, page 204501, 2011. [pdf] A. J. Aspden, J. B. Bell, S. Dong, and S. E. Woosley, "Burning Thermals in Type Ia Supernovae", Astrophysical Journal, 738, pp. 94107, 2011. [ApJ] [pdf] M. Zingale, A. Nonaka, A. S. Almgren, J. B. Bell, C. M. Malone, and S. E. Woosley, "The Convective Phase Preceding Type Ia Supernovae", Astrophysical Journal, 740, 8, (2011). [pdf] A. Nonaka, S. May, A. S. Almgren, and J. B. Bell, "A ThreeDimensional, Unsplit Godunov Method for Scalar Conservation Laws", SIAM J. Sci. Comput., vol. 33, no. 4, 2011. [pdf] S. May, A. Nonaka, A. S. Almgren, and J. B. Bell, "An Unsplit, HigherOrder Godunov Method Using Quadratic Reconstruction for Advection in Two Dimensions", Comm. App. Math. and Comp. Sci., vol. 6, no. 1, 2011. [pdf] R.J.M. Bastiaans and M. Day, "Analysis of subgrid scale phenomena of premixed turbulent combustion of methane and hydrogen in comparable regimes",, Center for Turbulence Research, Annual Research Briefs, 2012. A. Donini, R.J.M. Bastiaans, J.A. van Oijen, M.S. Day and L.P.H. de Goey, "A Priori Assessment of the Potential of Flamelet Generated Manifolds to Model Lean Turbulent Premixed Hydrogen Combustion," In: Kuerten H., Geurts B., Armenio V., Froehlich J. (eds) Direct and LargeEddy Simulation VIII. ERCOFTAC Series, vol 15, Springer, Dordrecht, 2011 [doi] A. J. Aspden, M. S. Day, and J. B. Bell, "Turbulenceflame interactions in lean premixed hydrogen: transition to the distributed burning regime", Journal of Fluid Mechanics, 680, pp. 287320, 2011. [JFM] [pdf] J. Bell and M. Day, "Adaptive Methods for Simulation of Turbulent Combustion" in "Turbulent Combustion Modeling, Advances, New Trends and Perspectives Series: Fluid Mechanics and Its Applications", Echekki and Epaminondas (Eds.), Springer, Vol. 95, 2011. [link] A. J. Aspden, J. B. Bell, and S. E. Woosley, "Turbulent Oxygen Flames in Type Ia Supernovae", Astrophysical Journal, 730, 144151, (2011). [ApJ] [pdf] S. E. Woosley, A. R. Kerstein, and A. J. Aspden, "Flames in Type Ia Supernova: DeflagrationDetonation Transition in the Oxygen Burning Flame", Astrophysical Journal, 734, 3741, (2011). [ApJ] [pdf] C. M. Malone, A. Nonaka, A. S. Almgren, J. B. Bell, and M. Zingale "Multidimensional Modeling of Type I Xray Bursts. I. TwoDimensional Convection Prior to the Outburst of a pure ^{4}He Accretor", Astrophysical Journal, 728, 118, Feb. 2011. [arxiv] [pdf] KeJung Chen, Alexander Heger, and Ann Almgren, "Multidimensional Simulations of PairInstability Supernovae", Computer Physics Communications, 182:1, 254256, January 2011. [arxiv]. M. S. Day, J. B. Bell, X. Gao and P. Glarborg, "Numerical Simulation of Nitrogen Oxide Formation in Lean Premixed Turbulent Flames", Proc. Combust. Inst. 33, pp. 15911599, 2011. [doi] M. S. Day, X. Gao, and J. B. Bell, "Properties of Lean Turbulent MethaneAir Flames with Significant Hydrogen Addition", Proc. Combust. Inst. 33, pp. 16011608, 2011. [doi] A. J. Aspden, M. S. Day, and J. B. Bell, "Characterization of Low Lewis Number Flames", Proc. Combust. Inst. 33, pp. 14631471, 2011. [PCI] A. J. Aspden, M. S. Day, and J. B. Bell, "Lewis Number Effects in Distributed Flames", Proc. Combust. Inst. 33, pp. 14731480, 2011. [PCI] G.H. Weber, P.T. Bremer, M.S. Day, J.B. Bell and V. Pascucci, "Feature Tracking Using Reeb graphs", Topological Methods in Data Analysis and Visualization: Theory, Algorithms, and Applications, edited by V. Pascucci, X. Tricoche, H. Hagen, and J. Tierny, SpringerVerlag, pp. 241253, LBNL 4226E, 2011. P.T. Bremer, G.H. Weber, J. Tierny, V. Pascucci, M.S. Day and J.B. Bell, "Interactive Exploration and Analysis of Large Scale Turbulent Combustion Using Topologybased Data Segmentation", IEEE Transactions on Visualization and Computer Graphics,, 17(9), pp. 13071324, LBNL 5921E, doi: 10.1109/TVCG.2010.253, 2011. 2010A. Almgren, J. Bell, D. Kasen, M. Lijewski, A. Nonaka, P. Nugent, C. Rendleman, R. Thomas, and M. Zingale, "MAESTRO, CASTRO and SEDONA  Petascale Codes for Astrophysical Applications," Proceedings of SciDAC 2010, Chattanooga, Tennessee, July 2010. [arxiv] H. Ma, M. Zingale, S. E. Woosley, A. J. Aspden, J. B. Bell, A. S. Almgren, A. Nonaka, and S. Dong, "Type Ia Supernovae: Advances in Large Scale Simulation," Proceedings of SciDAC 2010, Chattanooga, Tennessee, July 2010. [pdf] J. Bell, M. S. Day, X. Gao, M. J. Lijewski, "Simulation of Nitrogen Emissions in a Low Swirl Burner," Proceedings of SciDAC 2010, Chattanooga, Tennessee, July 2010. [pdf] J. Nordhaus, A. Burrows, A. Almgren, and J. Bell, "Dimension as a Key to the Neutrino Mechanism of CoreCollapse Supernova Explosions," Astrophysical Journal, 720, 694, Sept. 2010. [arxiv]. C. C. Joggerst, A. Almgren, and S. E. Woosley, "Threedimensional simulations of RayleighTaylor mixing in core collapse supernovae with CASTRO", Astrophysical Journal, 723, 353, October 2010. A. Nonaka, A.S. Almgren, J. B. Bell, M. J. Lijewski, C. M. Malone, and M. Zingale, "MAESTRO: An Adaptive Low Mach Number Hydrodynamics Algorithm for Stellar Flows", Astrophysical Journal Supplement Series, 188, 358383, June 2010. [pdf] [arxiv] A. S. Almgren, V.E. Beckner, J.B. Bell, M.S. Day, L.H. Howell, C.C. Joggerst, M.J. Lijewski, A. Nonaka, M. Singer, M. Zingale, "CASTRO: A New Compressible Astrophysical Solver. I. Hydrodynamics and SelfGravity", Astrophysical Journal, 715, 12211238, June 2010. [pdf] [IOP] [arxiv] KeJung Chen, Alexander Heger, and Ann Almgren, "Two Dimensional Simulations of PairInstability Supernovae", Conference on The First Stars and Galaxies: Challenges for the Next Decade, Austin, Texas, March 811, 2010, Conference Proceedings, published by the American Institute of Physics. [AIP] G. S. H. Pau, J. B. Bell, K. Pruess, A. S. Almgren, M. J. Lijewski, K. Zhang, "High resolution simulation and characterization of densitydriven flow in CO2 storage in saline aquifers", Advances in Water Resources, 33(4):443455, 2010. [pdf] A. Donev, J. B. Bell, A. L. Garcia, and B. J. Alder, "A hybrid particlecontinuum method for hydrodynamics of complex fluids", SIAM J. Multiscale Modeling and Simulation, 8(3):871911, 2010. [pdf] A. J. Aspden, J. B. Bell, and S. E. Woosley, "Distributed Flames in Type Ia Supernovae", Astrophysical Journal, 710, 16541663, February 2010. [ApJ] [pdf] C. C. Joggerst, A. Almgren, J. Bell, Alexander Heger, Daniel Whalen, and S. E. Woosley, "Primordial CoreCollapse Supernovae and the Chemical Abundances of MetalPoor Stars," Astrophysical Journal, 709, 1126, January 2010. [arxiv] A. Donev, E. VandenEijnden, A. Garcia, and J. Bell, "On the Accuracy of Explicit FiniteVolume Schemes for Fluctuating Hydrodynamics," Communications in Applied Mathematics and Computational Science, 5(2):149197, 2010. [pdf] N. Vasudeo, T. Echekki, M. Day, and J. Bell, "The regime diagram for premixed flame kernelvortex interactions  revisited", Phys. Fluids (22) 043602, 2010. [doi] J. B. Bell, A. L. Garcia, S. A. Williams, "Computational fluctuating fluid dynamics", ESAIM: Mathematical Modelling and Numerical Analysis, 44, 10851105, 2010. [pdf] P.T. Bremer, G.H. Weber, V. Pascucci, M.S. Day and John B. Bell, "Analyzing and Tracking Burning Structures in Lean Premixed Hydrogen Flames",, IEEE Transactions on Visualization and Computer Graphics,, 16:248260, LBNL 2276E, doi: 10.1109/TVCG.2009.69, 2010. L. Oliker, J. Carter, V. Beckner, J. Bell, H. Wasserman, M. Adams, S. Ethier, E. Schnetter, "LargeScale Numerical Simulations on HighEnd Computational Platforms", Chapman & Hall/CRC Computational Science, edited by D. H. Bailey, R. F. Lucas, S. W. Williams, CRC Press, 2010. 2009A. Donev, A. L. Garcia, and B. J. Alder, " A ThermodynamicallyConsistent NonIdeal Stochastic Hard Sphere Fluid," J. Stat. Mech., P11008, 2009 [arXiv:0908.0510]. [pdf] S. E. Woosley, A. R. Kerstein, V. Sankaran, A. J. Aspden and F. Ropke "Type Ia Supernovae: Calculations of Turbulent Flames Using the Linear Eddy Model", Astrophysical Journal, 704, pp.255273, October 10, 2009. [ApJ] P.T. Bremer, G. Weber, J. Tierny, V. Pascucci, M. Day and J. Bell, "A Topological Framework for the Interactive Exploration of Large Scale Turbulent Combustion", Proceedings of the 5th IEEE International Conference on eScience p. 247254 (2009) M. Zingale, A. S. Almgren, J. B. Bell, A. Nonaka, and S. E. Woosley, "Low Mach Number Modeling of Type Ia Supernovae. IV. White Dwarf Convection", Astrophysical Journal, 704, 196210, 2009. [pdf] M. M. Scase, A. J. Aspden, and C. P. Caulfield, "The effect of sudden source buoyancy flux increases on turbulent plumes", Journal of Fluid Mechanics, 635 pp. 137169, Sept 2009. [JFM+cover] George S. H. Pau, John B. Bell, Karsten Pruess, Ann S. Almgren, Michael J. Lijewski, Keni Zhang, "Numerical studies of densitydriven flow in CO2 storage in saline aquifers", Proceedings of TOUGH Symposium, September 1416 2009, Berkeley, California, USA. [pdf] George S. H. Pau, Ann S. Almgren, John B. Bell, Michael J. Lijewski, Eric Sonnenthal, Nic Spycher, Tianfu Xu, Guoxiang Zhang, "A Parallel SecondOrder Adaptive Mesh Algorithm for Reactive Flow in Geochemical Systems", Proceedings of TOUGH Symposium, September 1416 2009, Berkeley, California, USA. [pdf] M.S.Day, J.B. Bell, R.K. Cheng, S. Tachibana, V.E. Beckner and M.J. Lijewski, "Cellular burning in lean premixed turbulent hydrogenair flames: coupling experimental and computational analysis at the laboratory scale", SciDAC 2009, J. of Physics: Conference Series, San Diego, California, July 2009. [pdf] E. W. Bethel, C. Johnson, S. Ahern, J. Bell, P.T. Bremer, H. Childs, E. CormierMichel, M. Day, E. Deines, T. Fogal, C. Garth, C. G. R. Geddes, H. Hagen, B. Hamann, C. Hansen, J. Jacobsen, K. Joy, J. Kruger, J. Meredith, P. Messmer, G. Ostrouchov, V. Pascucci, K. Potter, Prabhat, D. Pugmire, O. Rubel, A. Sanderson, C. Silva, D. Ushizima, G. Weber, B. Whitlock, K. Wu "Occam's razor and petascale visual data analysis", SciDAC 2009, J. of Physics: Conference Series, San Diego, California, July 2009. [pdf] G. S. H. Pau, A. S. Almgren, J. B. Bell, and M. J. Lijewski, "A Parallel SecondOrder Adaptive Mesh Algorithm for Incompressible Flow in Porous Media", Phil. Trans. R. Soc. A 367, 46334654, 2009. LBNL Report LBNL176E. [pdf] S.E. Woosley, A.S. Almgren, A.J. Aspden, J.B. Bell, D. Kasen, A.R. Kerstein, H. Ma, A. Nonaka and M. Zingale, "Type Ia Supernovae: Advances in Large Scale Simulation ", SciDAC 2009, J. of Physics: Conference Series, 180, July 2009. [pdf] A. S. Almgren, J. B. Bell, A. Nonaka, M. Zingale, "A New Low Mach Number Approach in Astrophysics", Computing in Science and Engineering, vol. 11, no. 2, pp. 2433, March/April 2009. [CiSE] Y. Maday, N. C. Nguyen, A. T. Patera, and G. S. H. Pau, "A General Multipurpose Interpolation Procedure: The Magic Points", Communications on Pure and Applied Analysis 8(1), 383404, 2009. D.E.A. van Odyck, J.B. Bell, F. Monmont, N. Nikiforakis, "The mathematical structure of multiphase thermal models of flow in porous media", Proc. Royal Soc. A, 465:523,549, 2009. [pdf] M. Day, J. Bell, P.T. Bremer, V. Pascucci, V. Beckner, M. Lijewski, "Turbulence effects on cellular burning structures in lean premixed hydrogen flames", Combustion and Flame, 156, 10351045, 2009. DOI 10.1016/j.combustflame.2008.10.029 2008S. E. Woosley, D. Kasen, H. Ma, G. Glatzmaier, A. J. Aspden, J. B. Bell, M. S. Day, A. R. Kerstein, V. Sankaran, F. Ropke, "Type Ia Supernovae", Proceedings of Science, 10th Symposium on Nuclei in the Cosmos, July 27  August 1 2008, Mackinac Island, Michigan, USA. [pdf] M. Zingale, A. S. Almgren, J. B. Bell, C. M. Malone and A. Nonaka, "Astrophysical Applications of the MAESTRO Code", SciDAC 2008, J. of Physics: Conference Series, 125, Seattle Washington, July 2008. [pdf] J. B. Bell, R. K. Cheng, M. S. Day, V. E. Beckner and M. J. Lijewski, "Interaction of turbulence and chemistry in a lowswirl burner", SciDAC 2008, J. of Physics: Conference Series, 125, 012027, Seattle Washington, July 2008. [pdf] S. E. Woosley, A. J. Aspden, J. B. Bell, A. R. Kerstein, and V. Sankaran, "Numerical simulation of low Mach number reacting flows", SciDAC 2008, J. of Physics: Conference Series, 125, Seattle Washington, July 2008. [pdf] A. S. Almgren, J. B. Bell, A. Nonaka, and M. Zingale, "Low Mach Number Modeling of Type Ia Supernovae. III. Reactions", Astrophysical Journal, 684, 449470, 2008. LBNL Report LBNL58673 Pt. III. [pdf] J. F. Grcar, "A New Type of Steady and Stable, Laminar, Premixed Flame in UltraLean, HydrogenAir Combustion", LBNL Report LBNL725E, Proc. Combust. Inst., 32, 2008. [pdf] J. F. Grcar, J. B. Bell, M. S. Day, "The Soret Effect in Naturally Propagating, Premixed, Lean, HydrogenAir Flames", LBNL Report LBNL669E, Proc. Combust. Inst., 32, pp. 11731180, 2008. [pdf] A. J. Aspden, J. B. Bell, M. S. Day, S. E. Woosley, M. Zingale, "TurbulenceFlame Interactions in Type Ia Supernovae", Astrophysical Journal, 689, pp.11731185, December 20, 2008. [ApJ] [pdf] [pdf2] S. A. Williams, J. B. Bell, and A. L. Garcia, "Algorithm refinement for fluctuating hydrodynamics", Multiscale Model. Simul. 6, 12561280, 2008. [pdf] A. J. Aspden, N. Nikiforakis, S. B. Dalziel, and J.B.Bell, "Analysis of Implicit LES Methods", Communications in Applied Mathematics and Computational Science, 3, pp.103126, 2008. [CAMCoS][pdf] G. S. H. Pau, "Reduced Basis Method for Nanodevices Simulation", Phys. Rev. B 78, 155425 (2008). LBNL Report LBNL314E. [pdf] G.H. Weber, V. Beckner, H. Childs, T. Ligocki, M. Miller, B. van Straalen, E.W. Bethel, "Visualization of Scalar Adaptive Mesh Refinement Data", Numerical Modeling of Space Plasma Flows: Astronum2007, 385:309320, LBNL 220E, April 2008. 2007A.S. Almgren, J.B. Bell, and M. Zingale, "MAESTRO: A Low Mach Number Stellar Hydrodynamics Code ", SciDAC 2007, J. of Physics: Conference Series, Boston, Massachusetts, July 2007. J. Bell, A. Aspden, M. Day, M. Lijewski, "Numerical simulation of low Mach number reacting flows", SciDAC 2007, J. of Physics: Conference Series, Boston, Massachusetts, July 2007. LBNL Report No. LBNL63088. S.E. Woosley, A.S. Almgren, J.B. Bell, G. Glatzmaier, D. Kasen, A.R. Kerstein, H. Ma, P. Nugent, F. Ropke, V. Sankaran and M. Zingale, "Type Ia Supernovae ", SciDAC 2007, J. of Physics: Conference Series, Boston, Massachusetts, July 2007. J. B. Bell, M. S. Day, J. F. Grcar, M. J. Lijewski, J. F. Driscoll and S. F. Filatyev, "Numerical Simulation of a LaboratoryScale Turbulent Slot Flame", LBNL Report LBNL59245, Proc. Combust. Inst. 31, pp. 12991307, 2007. [pdf] J. B. Bell, R. K. Cheng, M. S. Day and I. G. Shepherd, "Numerical Simulation of Lewis Number Effects on Lean Premixed Turbulent Flames", LBNL Report LBNL59247, Proc. Combust. Inst. 31, pp. 13091317 2007. [pdf] J. F. Grcar and M. S. Day, "Diagnostics for the Combustion Science Workbench", LBNL Report LBNL62505, Proc. 5th US Combustion Meeting, 2007. [pdf] John B. Bell, Alejandro L. Garcia and Sarah A. Williams, "Numerical Methods for the Stochastic LandauLifshitz NavierStokes Equations", Phys. Rev. E 76, 016708, 2007. [pdf] G. S. H. Pau, " Reduced Basis Method for Band Structure Calculations", Phys. Rev. E 76, 046704 (2007). [pdf] E. Cances, C. Le Bris, N. C. Nguyen, Y. Maday, A. T. Patera, and G. S. H. Pau, " Feasibility and Competitiveness of a Reduced Basis Approach for Rapid Electronic Structure Calculations in Quantum Chemistry", In HighDimensional Partial Differential Equations in Science and Engineering, CRM Proceedings Volume 41, AMS, 2007. Phillip Colella, John Bell, Noel Keen, Terry Ligocki, Michael Lijewski, Brian van Straalen, "Performance and Scaling of LocallyStructured Grid Methods for Partial Differential Equations,, SciDAC 2007 Annual Meeting, 2007. 2006J. Bell, M. Day, A. Almgren, M. Lijewski, C. Rendleman, R. Cheng, I. Shepherd, "Simulation of Lean Premixed Turbulent Combustion ", SciDAC 2006, J. of Physics: Conference Series, (William Tang, Ed.), Denver, Colorado, 46, 115, 2006. LBNL Report No. LBNL63091. [pdf] M. Day and J. Bell, "Simulation of premixed turbulent flames", SciDAC 2006, J. of Physics: Conference Series, (William Tang, Ed.), Denver, Colorado, 46, 4347, 2006. LBNL Report No. LBNL63090. [pdf] M. Zingale, A.S. Almgren, J.B. Bell, M.S. Day, C.A. Rendleman, and S.E. Woosley, "New Approaches for Modeling Type Ia Supernovae ", SciDAC 2006, J. of Physics: Conference Series, (William Tang, Ed.), Denver, Colorado, 46, 385392, 2006. LBNL Report LBNL63087. A. S. Almgren, J. B. Bell, C. A. Rendleman, and M. Zingale, "Low Mach Number Modeling of Type Ia Supernovae. II. Energy Evolution", Astrophysical Journal, 649, 927938, 2006. LBNL Report LBNL58673 Pt. II. [pdf] A. S. Almgren, J. B. Bell, C. A. Rendleman, and M. Zingale, "Low Mach Number Modeling of Type Ia Supernovae. I. Hydrodynamics", Astrophysical Journal, 637, 922936, 2006. LBNL Report LBNL58673. [pdf](revised) Sarah A. Williams, Ann S. Almgren, and E. Gerry Puckett, "On Using a Fast Multipole Methodbased Poisson Solver in an Approximate Projection Method", LBNL Report LBNL59934, March 2006. [pdf] Z. Dragojlovic, F. Najmabadi and M. Day, "An Embedded Boundary Method for Viscous, Conducting Compressible Flow", LBNL Report LBNL56627, J. Comp. Phys., 216 (1) 3751, 2006. J. B. Bell, J. Foo, and A. L. Garcia, "Algorithm Refinement for the Stochastic Burgers' Equation", J. Comp. Phys., 223, pp. 451468, 2007. [pdf] M. S. Day, J. B. Bell, J. F. Grcar and M. J. Lijewski, "Equivalence Ratio Effects in Turbulent, Premixed MethaneAir Flames", LBNL Report LBNL59246, Proc. ECCOMASCFD 2006. [pdf] Michael Welcome, Charles Rendleman, Leonid Okiker, Rupak Biswas, "Performance Characteristics of an Adaptive Mesh Refinement Calculation on Scalar and Vector Platforms", LBNL Report LBNL59238, International Conference on Computing Frontiers, Italy, May 25, 2006. J. B. Bell, M. S. Day, J. F. Grcar, and M. J. Lijewski, "Active Control for Statistically Stationary Turbulent Premixed Flame Simulations", LBNL Report LBNL58751, Communications in Applied Mathematics and Computational Science, 1, 2951, 2006. [pdf] J. F. Grcar, M. S. Day, J. B. Bell, "A Taxonomy of Integral Reaction Path Analysis", LBNL Report LBNL56772, Combust. Theory Modelling, 10(4), 559580, 2006. [pdf] 2005I. G. Shepherd, M. S. Day and R. K. Cheng, "The Dynamics of Flame Flicker in Conical Premixed Flames: An Experimental and Numerical Study", LBNL Report LBNL59249, Dec 2005. [pdf] Almasi, Bhanot, Gara, Gupta, Sexton, Walkup, Bulatov, Cook, de Supinski, Glosli, Greenough, Gyge, Kubota, Louis, Spelce, Streitz, Williams, Yates, Archer, Moreira, Rendleman, "Scaling physics and material science applications on a massively parallel Blue Gene/L system", Proceedings of the 19th Annual International Conference on Supercomputing, ICS 2005, Cambridge, Massachusetts, USA, June 2022, 246252, 2005. J.A. Greenough, B. de Supinski, R. K. Yates, C. Rendleman, D. Skinner, V. Beckner, M. Lijewski, J. Bell, "Performance of a Block Structured, Hierarchical Adaptive Mesh Refinement Code on the 64K Node IBM BlueGene/L Computer", LBNL Report LBNL57500 Ext. Abs., Supercomputing, 2005. J. B. Bell, M. S. Day, I. G. Shepherd, M. Johnson, R. K. Cheng, J. F. Grcar, V. E. Beckner, M. J. Lijewski, "Numerical Simulation of a LaboratoryScale Turbulent Vflame", LBNL Report LBNL54198Journal, Proc. Natl. Acad. Sci. USA, 102(29), 1000610011, 2005. [pdf] M. Zingale, S. E. Woosley, C.A. Rendleman, M. S. Day, and J. B. Bell, "Threedimensional Numerical Simulations of RayleighTaylor Unstable Flames in Type Ia Supernovae", LBNL Report LBNL56966, Astrophysical Journal, 632, 10211034, 2005. [pdf] M. S. Day, J. B. Bell, J. F. Grcar, V. E. Beckner, "Numerical Control of 3D Turbulent Premixed Flame Simulations", LBNL Report LBNL56882 Ext. Abs., 20th International Colloquium on the Dynamics of Explosions and Reactive Systems, July 31August 5, 2005. [pdf] Horst Simon, William Kramer, William Saphir, John Shalf, David Bailey, Leonid Oliker, Michael Banda, C. William McCurdy, John Hules, Andrew Canning, Marc Day, Philip Colella, David Serafini, Michael Wehner and Peter Nugent, "ScienceDriven System Architecture: A New Process for Leadership Class Computing", J. of the Earth Simulator, 2, pp. 210, LBNL 56465, 2005. 2004J. B. Bell, M. S. Day, and J. F. Grcar, M. J. Lijewski, "Stochastic Algorithms for the Analysis of Numerical Flame Simulations", LBNL Report LBNL49326Journal, J. Comp. Phys., 202, 262280, 2004. [pdf] J. B. Bell, M. S. Day, C. A. Rendleman, S. E. Woosley, and M. A. Zingale, "Direct Numerical Simulations of Type Ia Supernovae Flames II: The RayleighTaylor Instability", LBNL Report LBNL54300, Astrophysical Journal, 608, 883906, 2004. [pdf] J. B. Bell, M. S. Day, C. A. Rendleman, S. E. Woosley, and M. A. Zingale, "Direct Numerical Simulations of Type Ia Supernovae Flames I: The LandauDarrieus Instability", LBNL Report LBNL54088, Astrophysical Journal, 606, 10291038, 2004. [pdf] J. B. Bell, M. S. Day, C. A. Rendleman, S. E. Woosley, and M. A. Zingale, "Adaptive low Mach number simulations of nuclear flame microphysics", LBNL Report 52395, J. Comp. Phys, 195, 677694, 2004. [pdf] J. F. Grcar, P. Glarborg, J. B. Bell, M. S. Day, A. Loren, and A. D. Jenson, "Effects of Mixing on Ammonia Oxidation in Combustion Environments at Intermediate Temperatures", LBNL Report LBNL54187, Proceedings of the Combustion Institute, 30, 11931200, 2004. [pdf] Simon, H., Kramer, W., Saphir, W., Shalf, J., Bailey, D., Oliker, L., Banda, M., McCurdy, C.W., Hules, J., Canning, A., Day, M., Colella, P., Serafini, D., Wehner, M., Nugent, P."National Facility for Advanced Computational Science: A Sustainable Path to Scientific Discovery", LBNL Report 5500, April 2004. D. Trebotich, P. Colella, G. H. Miller, A. Nonaka, T. Marshall, S. Gulati, and D. Liepmann, "A Numerical Algorithm for Complex Biological Flow in Irregular Microdevice Geometries", Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, 2, 470473, Bostom, MA, March 2004. [pdf] 2003J. B. Bell, M. S. Day, I. G. Shepherd, M. Johnson, R. K. Cheng, V. E. Beckner, M. J. Lijewski, J. F. Grcar, "Numerical Simulation of a LaboratoryScale Turbulent Vflame", LBNL Report LBNL54198, 2003. [pdf] J. B. Bell, M. S. Day, A. S. Almgren, R. K. Cheng, and I. G. Shepherd, "Numerical Simulation of Premixed Turbulent Methane Combustion", Proceedings of the Second MIT Conference on Computational Fluid and Solid Mechanics, June 1720, 2003. [pdf] J. B. Bell, M. S. Day, J. F. Grcar, M. J. Lijewski, M. Johnson, R. K. Cheng, and I. G. Shepherd, "Numerical Simulation of a Premixed Turbulent VFlame", 19th International Colloquium on the Dynamics of Explosions and Reactive Systems, July 27August 1, 2003. [pdf] J. F. Grcar, M. S. Day, and J. B. Bell, "Conditional and opposed reaction path diagrams for the analysis of fluidchemistry interactions", LBNL Report LBNL52164, 19th International Colloquium on the Dynamics of Explosions and Reactive Systems, July 27August 1, 2003. [pdf] J. B. Bell, M. S. Day, J. F. Grcar, and M. J. Lijewski, "Analysis of carbon chemistry in numerical simulations of vortex flame interactions", 19th International Colloquium on the Dynamics of Explosions and Reactive Systems, July 27August 1, 2003. [pdf] J. B. Bell, "AMR for low Mach number reacting flows", LBNL Report LBNL54351, Proceedings of the Chicago Workshop on Adaptive Mesh Refinement Methods, 2003. [pdf] J. F. Grcar, "Optimal Sensitivity Analysis of Linear Least Squares", LBNL Report LBNL52434, 2003. [pdf] J. F. Grcar, "Differential Equivalence Classes for Metric Projections and Optimal Backward Errors", LBNL Report LBNL51940, 2003. [pdf] 2002N. Sullivan, A. D. Jensen, P. Glarborg, M. S. Day, J. F. Grcar, J. B. Bell, C. J. Pope, and R. J. Kee, "Ammonia Conversion and NOx Formation in Laminar Coflowing Nonpremixed MethaneAir Flames", LBNL Report LBNL49347, Combustion and Flame 131(3):285298 (2002). [pdf][Abstract(html)] J. B. Bell, M. S. Day, J. F. Grcar, W. G. Bessler, C. Shultz, P. Glarborg, and A. D. Jensen, "Detailed Modeling and LaserInduced Fluorescence Imaging of Nitric Oxide in an NH3seeded nonpremixed methane/air flame", LBNL Report LBNL49333, Proceedings of the Combustion Institute, 29:21952202 (2002). [pdf][Abstract(html)] J. B. Bell, M. S. Day, and J. F. Grcar, "Numerical Simulation of Premixed Turbulent Methane Combustion", LBNL Report LBNL49331, Proceedings of the Combustion Institute, 29:19871993 (2002). [pdf][Abstract(html)] J. B. Bell, M. S. Day, and J. F. Grcar, "Stochastic Algorithms for the Analysis of Numerical Flame Simulations", LBNL Report LBNL49326, 2002. [pdf][Abstract(html)] J. F. Grcar, "A Matrix Lower Bound", LBNL Report LBNL50635, 2002. Revised, 2003. [pdf] J. F. Grcar, "Minmax Identities on Boundaries of Convex Sets around the Origin", LBNL Report LBNL50634, 2002. [pdf] 2001L. F. Henderson, K. Takayama, W. Y. Crutchfield, and S. Itabashi, "The persistence of regular reflection during strong shock diffraction over rigid ramps", J. Fluid Mechanics, 431:273296, 2001. J. B. Bell, M. S. Day, A. S. Almgren, M. J. Lijewski, and C. A. Rendleman, "A Parallel Adaptive Projection Method for Low Mach Number Flows", International Journal for Numerical Methods in Fluids, 40:209216, 2002. Also appears in Numerical Methods for Fluid Dynamics VII, Proceedings of the 7th International Conference on Numerical Methods for Fluid Dynamics (ICFD 2001), Oxford University, March 2629, 2001. J. B. Bell, M. S. Day, A. S. Almgren, M. J. Lijewski, and C. A. Rendleman, "Adaptive numerical simulation of turbulent premixed combustion", Proceedings of the First MIT Conference on Computational Fluid and Solid Mechanics, June 1115, 2001. [ps.gz] J. B. Bell, M. S. Day, V. E. Beckner, A. L. Kuhl, P. Neuwald and H. Reichenbach "Simulations of shockinduced mixing and combustion of an acetylene cloud in a chamber", 18th International Colloquium on the Dynamics of Explosions and Reactive Systems, July 29August 3, 2001. J. B. Bell, M. S. Day, J. F. Grcar and A. E. Lutz "Turbulent combustion of spherical fuelrich hydrogen pockets", 18th International Colloquium on the Dynamics of Explosions and Reactive Systems, July 29August 3, 2001.[pdf] C. A. Rendleman, V. E. Beckner, M. J. Lijewski, "Parallelization of an Adaptive Mesh Refinement Method for Low Mach Combustion,"Proceedings Computational Science  ICCS 2001, 11171126, San Francisco, CA, 2001. [pdf] 2000A. S. Almgren, "A New Look at the PseudoIncompressible Solution to Lamb's Problem of Hydrostatic Adjustment,"J. Atmos. Sci., 57:7, pp. 995998, April 2000. [ps.gz][Abstract(html)] A. S. Almgren, J. B. Bell, and W. Y. Crutchfield, "Approximate Projection Methods: Part I. Inviscid Analysis," LBNL Report LBNL43374, SIAM J. Sci. Comput., 22:4, pp. 113959, 2000. [ps.gz][Abstract(html)] J. Bell, A. Chorin, and W. Crutchfield "Stochastic optimal prediction with application to Averaged Euler equations," Proc. 7th Nat. Conf. Comput. Fluid Mech., (C. A. Lin, Ed.), Pingtung, Taiwan, pp. 113, 2000. [ps.gz] J. B. Bell, N. J. Brown, M. S. Day, M. Frenklach, J. F. Grcar and S. R. Tonse "The Effect of Stoichiometry on Vortex Flame Interactions," LBNL Report LBNL44730, Proceedings of the Combustion Institute, 28, p.19331939, 2000. [ps.gz], [pdf], [Abstract(html)] J. B. Bell, N. J. Brown, M. S. Day, M. Frenklach, J. F. Grcar, R. M. Propp and S. R. Tonse "Scaling and Efficiency of PRISM in Adaptive Simulations of Turbulent Premixed Flames," LBNL Report LBNL44732, Proceedings of the Combustion Institute, 28, p.107113, 2000. [LBNLreport.ps.gz][Abstract(html)] M. S. Day and J. B. Bell "Numerical Simulation of Laminar Reacting Flows with Complex Chemistry," LBNL Report LBNL44682, Combust. Theory Modelling 4(4) pp.535556, 2000. [Abstract(html)][ps.gz][pdf] D. S. Nolan, A. S. Almgren, and J. B. Bell, "Studies of the Relationship Between Environmental Forcing and the Structure and Dynamics of TornadoLike Vortices," LBNL Report LBNL47554, Sept. 2000. [LBNLreport.ps.gz] R. Propp, P. Colella, W. Y. Crutchfield, and M.S. Day, "A numerical model for tricklebed reactors," LBNL Report LBNL42936, J. Comp. Phys., 165, pp. 31133, 2000. C. A. Rendleman, V. E. Beckner, M. Lijewski, W. Y. Crutchfield, J. B. Bell, "Parallelization of Structured, Hierarchical Adaptive Mesh Refinement Algorithms,"Computing and Visualization in Science, Volume 3, pp 147157, 2000. [pdf] David E. Stevens, John B. Bell, Ann S. Almgren, Vincent E. Beckner, and Charles A. Rendleman, "Small Scale Processes and Entrainment in a Stratocumulus Marine Boundary Layer," J. Atmos. Sci., 57:4, pp. 567581, Feb. 2000. [ps.gz] S. A. Stanley and S. Sarkar, "Influence of Nozzle Conditions and Discrete Forcing on Turbulent Planar Jets," AIAA Journal, Vol. 38, No. 9, Sept. 2000. 19979N. Botta, R. Klein, and A. Almgren, "Dry Atmosphere Asymptotics,"PIK (Potsdam Institute for Climate Impact Research) Report, September 1999. [ps.gz] N. Botta, R. Klein, and A. Almgren, "Multiple scales analysis of atmospheric motions: Impact on modeling and computation,"Proceedings of the ENUMATH99 Conference, July 1999. A. L. Garcia, J. B. Bell, W. Y. Crutchfield, B. J. Alder, "Adaptive Mesh and Algorithm Refinement Using Direct Simulation Monte Carlo,"J. Comp. Phys., 154, pp. 134155, 1999. [ps.gz] R. Klein, N. Botta, and A. Almgren, "Asymptotic analysis of a dry atmosphere,"Proceedings of the Workshop on Stochastic Climate Models, Chorin (Brandenburg), Germany, May 30  June 2, 1999. D. S. Nolan, A. S. Almgren, and J. B. Bell, "High Reynolds Number Simulations of Axisymmetric Tornadolike Vortices with Adaptive Mesh Refinement," LBNL Report LBNL42860, 1999. [ps.gz] [Abstract(html)] C. Le Ribault, S. Sarkar and S. A. Stanley, "Large Eddy Simulation of a Plane Jet," Physics of Fluids, Vol. 11, No. 10, Oct. 1999. S. A. Stanley and S.Sarkar, "Direct Numerical Simulation of the Developing Region of Turbulent Planar Jets," AIAA Paper 990288, Jan. 1999. Mark M. Sussman, Ann S. Almgren, John B. Bell, Phillip Colella, Louis H. Howell, Michael Welcome, "An Adaptive Level Set Approach for Incompressible TwoPhase Flows," LBNL Report LBNL40327, J. Comp. Phys., 148, pp. 81124, 1999. [ps.gz] A. S. Almgren, J. B. Bell, P. Colella, L. H. Howell, and M. L. Welcome, "A Conservative Adaptive Projection Method for the Variable Density Incompressible NavierStokes Equations,"J. Comp. Phys., 142, pp. 146, 1998. [pdf] G. I. Barenblatt, J. B. Bell, W. Y. Crutchfield, "The thermal explosion revisited," Proceedings of the National Academy of Sciences of the United States of America, 95, pp.1338413386, November 1998. M. S. Day, P. Colella, M. Lijewski, C. A. Rendleman and D. L. Marcus "Embedded Boundary Algorithms for Solving the Poisson Equation on Complex Domains," LBNL Report LBNL41811, 1998. [ps.gz,2724394 bytes][Abstract(html)] R.B. Pember, L.H. Howell, J.B. Bell, P. Colella, W.Y. Crutchfield, W.A. Fiveland, and J.P. Jessee, "An Adaptive Projection Method for Unsteady, LowMach Number Combustion,"Comb. Sci. Tech., 140, pp. 123168, 1998. [pdf] Ann S. Almgren, John B. Bell, Phillip Colella, Tyler Marthaler, "A Cartesian Grid Projection Method for the Incompressible Euler Equations in Complex Geometries," SIAM J. Sci. Comput., 18:5, pp. 12891309, Sept. 1997. [pdf] J.A. Greenough, J.B. Bell, P. Colella, E.G. Puckett, "A Numerical Study of ShockInduced Mixing of a Helium Cylinder: Comparison with Experiment", Proceedings of the 20th International Symposium on Shock Waves. L. F. Henderson, W. Y. Crutchfield, and R. J. Virgona. "The Effects of Heat Conductivity and Viscosity of Argon on Shock Wave Diffracting over Rigid Ramps," J. Fluid Mech., 331, 1997, pp. 136. [ps.gz] L. H. Howell and V. E. Beckner, "A Discrete Ordinates Algorithm for Domains with Embedded Boundaries,"Journal of Thermophysics and Heat Transfer, N4:549555, OctDec 1997. [Abstract(html)][revised: ps.gz, 95787 bytes] L. H. Howell and J. B. Bell, "An AdaptiveMesh Projection Method for Viscous Incompressible Flow," SIAM J. Sci. Comput., 18:4, pp. 9961013, July 1997. [ps.gz, 1022967 bytes][Abstract(html)] E. Gerry Puckett, Ann S. Almgren, John B. Bell, Daniel L. Marcus, William J. Rider,"A HigherOrder Projection Method for Tracking Fluid Interfaces in Variable Density Incompressible Flows,", J. Comp. Phys., 130, pp. 269282, 1997. [pdf] M. Sussman, A.S. Almgren, J.B.Bell, P. Colella, L.H. Howell and M. Welcome, "An Adaptive Level Set Approach for Incompressible TwoPhase Flows", LBNL40327, April 1997. 19936Ann S. Almgren, John B. Bell, William G. Szymczak, "A Numerical Method for the Incompressible NavierStokes Equations Based on an Approximate Projection," SIAM J. Sci. Comput., 17:2, March 1996. Robert F. Almgren and Ann S. Almgren, "Phase Field Instabilities and Adaptive Mesh Refinement," Modern Methods for Modeling Microstructure in Materials, TMS/SIAM, 1996 (Proceedings of TMS meeting, October 1995, Cleveland, OH). M. Day, B. Merriman, F. Najmabadi and R. W. Conn, "The Effects of Heat Flux Limiting on Divertor Fluid Models," Plasma Phys, 36, 1996. [ps.gz] [html] R.B. Pember, P. Colella, L.H. Howell, A.S. Almgren, J.B. Bell, W.Y. Crutchfield, V.E. Beckner, K.C. Kaufman, W.A. Fiveland, and J.P. Jessee, "The Modeling of a Laboratory Natural GasFired Furnace with a HigherOrder Projection Method for Unsteady Combustion," UCRLJC123244, February, 1996. [Paper(ps.gz)] [Abstract(ps.gz)] Poster Session(ps.gz) Mark M. Sussman, Ann S. Almgren, John B. Bell, Phillip Colella, Louis H. Howell, Michael Welcome, "An Adaptive Level Set Approach for Incompressible TwoPhase Flows," Proceedings of the ASME Fluids Engineering Summer Meeting: Forum on Advances in Numerical Modeling of Free Surface and Interface Fluid Dynamics, July 1996. [Abstract(html)] Ann S. Almgren, John B. Bell, Phillip Colella, Tyler Marthaler "A CellCentered Cartesian Grid Projection Method for the Incompressible Euler Equations in Complex Geometries,"Proceedings of the 12th AIAA Computational Fluid Dynamics Conference, San Diego, CA, June 1922, 1995. Ann S. Almgren, John B. Bell, Phillip Colella, Louis H. Howell, Michael Welcome, "A HighResolution Adaptive Projection Method for Regional Atmospheric Modeling," Proceedings of the NGEMCOM Conference sponsored by the U.S. EPA, August 79, 1995, Bay City, MI. [html] John B. Bell, Phillip Colella, Jeffrey A. Greenough, Daniel L. Marcus, "A MultiFluid Algorithm for Compressible, Reacting Flow," AIAA 951720, Proceedings of the 12th AIAA Computational Fluid Dynamics Conference, San Diego, CA, June, 1922, 1995. M. Day, "Numerical Studies of the Tokamak Edge Fluid Equations," PhD. dissertation, UCLA, February 28, 1995. [ps.gz] M. Day and B. Merriman, "Divertor Modeling with Implicit/Explicit Numerical Methods," APS Division of Plasma Physics Conference, Louisville, KY, November 610, 1995. J.A. Greenough, V. Beckner, R. B. Pember, W. Y. Crutchfield, J. B. Bell, and P. Colella, "An Adaptive Multifluid InterfaceCapturing Method for Compressible Flow in Complex Geometries," AIAA951718, Proceedings of the 26th AIAA Fluid Dynamics Conference, San Diego, CA, June 1995. [ps.gz] J.A. Greenough, W.Y. Crutchfield, C.A. Rendleman "Numerical Simulation of a WaveGuide Mixing Layer on a Cray C90", AIAA952174, Proceedings of the 26th AIAA Fluid Dynamics Conference, San Diego, CA, June 1995. Daniel L. Marcus, Richard B. Pember, John B. Bell, "Induction Time Effects in Pulse Combustors," AIAA 950875, 33rd AIAA Aerospace Sciences Meeting, Reno, NV, January 812, 1995. [ps.gz] Richard B. Pember, Ann S. Almgren, John B. Bell, Phillip Colella, Louis Howell, and Mindy Lai, "A HigherOrder Projection Method for the Simulation of Unsteady Turbulent Nonpremixed Combustion in an Industrial Burner," Proceedings of the 8th International Symposium on Transport Phenomena in Combustion, San Francisco, CA, July 1620, 1995. [ps.gz][Abstract(ps.gz)][Preprint (ps.gz)] [Fig. 2,3] [Fig.4] R.B. Pember, A.S. Almgren, W.Y. Crutchfield, L.H. Howell, J.B. Bell, P. Colella, and V.E. Beckner, "An Embedded Boundary Method for the Modeling of Unsteady Combustion in an Industrial GasFired Furnace," WSS/CI 95F165, 1995 Fall Meeting of the Western States Section of the Combustion Institute, Stanford University, October 3031, 1995. [Paper(ps.gz)] [Abstract(ps.gz)] R.B. Pember, J.B. Bell, P. Colella, W.Y. Crutchfield, and M.L. Welcome, "An Adaptive Cartesian Grid Method for Unsteady Compressible Flow in Irregular Regions," J. Comp. Phys., 120:2, pp. 278304, Sept. 1995. [ps.gz][Abstract(ps.gz)] Erlendur Steinthorsson, David Modiano, William Y. Crutchfield, John B. Bell, Phillip Colella, "An Adaptive SemiImplicit Scheme for Simulations of Unsteady Viscous Compressible Flow," AIAA 951727CP, Proceedings of the 12th AIAA CFD Conference, San Diego, CA, June 1922, 1995. A.S. Almgren, T. Buttke, P. Colella, "A Fast Adaptive Vortex Method In Three Dimensions,"J. Comp. Phys., 113:2, pp. 177200, 1994. P. Colella and W. Y. Crutchfield, "A Parallel Adaptive Mesh Refinement Algorithm on the C90," Energy Research Power Users Symposium, July 12, 1994. D.L. Marcus, R.B. Pember, J.B. Bell, V. E. Beckner, D. Simkins, and M. Welcome, "Multidimensional Numerical Simulation of a Pulse Combustor,", AIAA 942351, 25th Annual Proceedings of the AIAA Fluid Dynamics Conference, Colorado Springs, CO, June 2023, 1994. [ps.gz][Abstract(ps.gz)] Ann S. Almgren, John B. Bell, Phillip Colella, Louis H. Howell, "An Adaptive Projection Method for the Incompressible Euler Equations," Proceedings of the AIAA 11th Computational Fluid Dynamics Conference July 1993, Orlando, FL. [Abstract(html)] Ann S. Almgren, John B. Bell, Louis H. Howell and Phillip Colella, "An Adaptive Projection Method for the Incompressible NavierStokes Equations,"Proceedings of the 14th IMACS World Congress, Atlanta, July 1994, pp. 537540. [Abstract(html)] W. Y. Crutchfield and M. L. Welcome, "ObjectOriented Implementations of Adaptive Mesh Refinement Algorithms," Scientific Programming 2, pp. 145156, 1993. R.I. Klein, J.B. Bell, R.B. Pember, T. Kelleher, "Three Dimensional Hydrodynamic Calculations with Adaptive Mesh Refinement of the Evolution of Rayleigh Taylor and Richtmyer Meshkov Instabilities in Converging Geometry: Multimode Perturbations," Proceedings of the 4th International Workshop on Physics of Compressible Turbulent Mixing, Cambridge, England, March 1993. [ps.gz.] R.B. Pember, J.B. Bell, P. Colella, W.Y. Crutchfield, and M.L. Welcome, "Adaptive Cartesian Grid Methods for Representing Geometry in Inviscid Compressible Flow," Proceedings of the 11th AIAA CFD Conference, Orlando, Florida, July 1993. (See above) for journal version of this paper. M. Lai, P. Colella, J. Bell, "A Projection Method for Combustion in the Zero Mach Number Limit," Proceedings of the AIAA 11th Computational Fluid Dynamics Conference July 1993, Orlando, FL. 


