Initializing AMReX (26.06-15-g07311ca5127b)... MPI initialized with 4 MPI processes MPI initialized with thread support level 0 AMReX (26.06-15-g07311ca5127b) initialized Successfully read inputs file ... ERF git hash: 74cc55ec-dirty AMReX git hash: 26.06-15-g07311ca512 Problem name (from inputs file) is: "Scalar Advection/Diffusion" Level 0 is land Using constant dynamic diffusion coefficients momentum : 0 kg/(m-s) temperature : 0 kg/(m-s) scalar : 1 kg/(m-s) Thermal stratification based on gradient of potential temperature Null land surface model! SOLVER CHOICE: At level 0 : compressible with implicit substepping vert_implicit_fac : 1 1 0 (theta = 1, moisture = 1, tke = 1, momenta = 1) use_coriolis : 0 use_gravity : 0 Moisture Model: None Terrain Type: None Buildings Type: None Mesh Type: ConstantDz ABL Driver Type: None Radiation Model: None Gradp_type : 0 Buoyancy_type at level 0 : 1 Advection Choices: dycore_horiz_adv_type : Upwind_3rd dycore_vert_adv_type : Upwind_3rd dryscal_horiz_adv_type : Upwind_3rd dryscal_vert_adv_type : Upwind_3rd moistscal_horiz_adv_type : WENO3 moistscal_vert_adv_type : WENO3 Diffusion choices: rho0_trans : 1 alpha_T : 0 alpha_C : 1 dynamic_viscosity : 0 Using constant molecular diffusivity (relevant for DNS) Sponge choices: Rayleigh damping : None w damping : 0 (coeff = -1 * dz/dt**2) Turbulence Settings at level 0 Using DNS model at level 0 Creating new distribution map on level: 0 BA FROM SCRATCH AT LEVEL 0 (BoxArray maxbox(64) m_ref->m_hash_sig(0) ((0,0,0) (7,7,3) (0,0,0)) ((8,0,0) (15,7,3) (0,0,0)) ((16,0,0) (23,7,3) (0,0,0)) ((24,0,0) (31,7,3) (0,0,0)) ((32,0,0) (39,7,3) (0,0,0)) ((40,0,0) (47,7,3) (0,0,0)) ((48,0,0) (55,7,3) (0,0,0)) ((56,0,0) (63,7,3) (0,0,0)) ((0,8,0) (7,15,3) (0,0,0)) ((8,8,0) (15,15,3) (0,0,0)) ((16,8,0) (23,15,3) (0,0,0)) ((24,8,0) (31,15,3) (0,0,0)) ((32,8,0) (39,15,3) (0,0,0)) ((40,8,0) (47,15,3) (0,0,0)) ((48,8,0) (55,15,3) (0,0,0)) ((56,8,0) (63,15,3) (0,0,0)) ((0,16,0) (7,23,3) (0,0,0)) ((8,16,0) (15,23,3) (0,0,0)) ((16,16,0) (23,23,3) (0,0,0)) ((24,16,0) (31,23,3) (0,0,0)) ((32,16,0) (39,23,3) (0,0,0)) ((40,16,0) (47,23,3) (0,0,0)) ((48,16,0) (55,23,3) (0,0,0)) ((56,16,0) (63,23,3) (0,0,0)) ((0,24,0) (7,31,3) (0,0,0)) ((8,24,0) (15,31,3) (0,0,0)) ((16,24,0) (23,31,3) (0,0,0)) ((24,24,0) (31,31,3) (0,0,0)) ((32,24,0) (39,31,3) (0,0,0)) ((40,24,0) (47,31,3) (0,0,0)) ((48,24,0) (55,31,3) (0,0,0)) ((56,24,0) (63,31,3) (0,0,0)) ((0,32,0) (7,39,3) (0,0,0)) ((8,32,0) (15,39,3) (0,0,0)) ((16,32,0) (23,39,3) (0,0,0)) ((24,32,0) (31,39,3) (0,0,0)) ((32,32,0) (39,39,3) (0,0,0)) ((40,32,0) (47,39,3) (0,0,0)) ((48,32,0) (55,39,3) (0,0,0)) ((56,32,0) (63,39,3) (0,0,0)) ((0,40,0) (7,47,3) (0,0,0)) ((8,40,0) (15,47,3) (0,0,0)) ((16,40,0) (23,47,3) (0,0,0)) ((24,40,0) (31,47,3) (0,0,0)) ((32,40,0) (39,47,3) (0,0,0)) ((40,40,0) (47,47,3) (0,0,0)) ((48,40,0) (55,47,3) (0,0,0)) ((56,40,0) (63,47,3) (0,0,0)) ((0,48,0) (7,55,3) (0,0,0)) ((8,48,0) (15,55,3) (0,0,0)) ((16,48,0) (23,55,3) (0,0,0)) ((24,48,0) (31,55,3) (0,0,0)) ((32,48,0) (39,55,3) (0,0,0)) ((40,48,0) (47,55,3) (0,0,0)) ((48,48,0) (55,55,3) (0,0,0)) ((56,48,0) (63,55,3) (0,0,0)) ((0,56,0) (7,63,3) (0,0,0)) ((8,56,0) (15,63,3) (0,0,0)) ((16,56,0) (23,63,3) (0,0,0)) ((24,56,0) (31,63,3) (0,0,0)) ((32,56,0) (39,63,3) (0,0,0)) ((40,56,0) (47,63,3) (0,0,0)) ((48,56,0) (55,63,3) (0,0,0)) ((56,56,0) (63,63,3) (0,0,0)) ) max of zphys_nd 6.283185307 max of zlevels 6.283185307 Based on cfl of one Compressible dt at level 0 would be: 0.01579132416 Anelastic dt at level 0 would be undefined Fixed dt at level 0 is: 0.001 smallest even ratio is: 4 Note: Molecular diffusion specified but dynamic_viscosity has not been specified Min/max value of x-gradient of base state pressure are zero Min/max value of y-gradient of base state pressure are zero Min/max value of dp0/dz + rho0*|g| are zero Writing native checkpoint ScalarDiffusionSine_chk00000 Checkpoint write time = 0.025774245 seconds. Writing native 3D plotfile ScalarDiffusionSine_plt00000 3DPlotfile write time = 0.023425395 seconds. TIME= 0 MASS = 248.0502134 RHO THETA = 248.0502134 RHO SCALAR = -1.421085472e-14 Coarse STEP 1 starts ... Based on cfl of one Compressible dt at level 0 would be: 0.01579132416 Anelastic dt at level 0 would be undefined Fixed dt at level 0 is: 0.001 smallest even ratio is: 4 [Level 0 step 1] ADVANCE from elapsed time = 0 to 0.001 with dt = 0.001 Making slow rhs at time 0 for fast variables advancing from 0 to 0.0003333333333333