1 // SPDX-FileCopyrightText: Copyright (c) 2017-2024, HONEE contributors. 2 // SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause 3 4 // libCEED + PETSc Example: Navier-Stokes 5 // 6 // This example demonstrates a simple usage of libCEED with PETSc to solve a Navier-Stokes problem. 7 // 8 // Build with: 9 // 10 // make [PETSC_DIR=</path/to/petsc>] [CEED_DIR=</path/to/libceed>] navierstokes 11 // 12 // Sample runs: 13 // 14 // ./navierstokes -ceed /cpu/self -options_file gaussianwave.yml 15 // ./navierstokes -ceed /gpu/cuda -problem advection -degree 1 16 // 17 //TESTARGS(name="Advection 2D, implicit square wave, direct div(F_diff)") -ceed {ceed_resource} -test_type solver -options_file examples/advection_wave.yaml -snes_mf -snes_fd -ts_type alpha -dm_plex_box_faces 5,5 -ts_max_steps 5 -diffusion_coeff 5e-3 -div_diff_flux_projection_method direct -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-wave-square-direct_divdiff.bin 18 //TESTARGS(name="Advection 2D, explicit square wave, indirect div(F_diff)") -ceed {ceed_resource} -test_type solver -options_file examples/advection_wave.yaml -ts_max_steps 5 -dm_plex_box_faces 5,5 -diffusion_coeff 1e-2 -Ctau_d 2 -div_diff_flux_projection_method indirect -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-wave-square-indirect_divdiff.bin 19 //TESTARGS(name="Advection 2D, sine wave IC",only="cpu") -ceed {ceed_resource} -test_type solver -options_file examples/advection_wave.yaml -ts_max_steps 0 -dm_plex_box_faces 3,3 -wave_type sine -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-wave-sine.bin 20 //TESTARGS(name="Newtonian and Riemann Solver Unit Tests",only="cpu") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 1e100 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-IDL-entropy.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 0 -newtonian_unit_tests -riemann_solver_unit_tests 21 //TESTARGS(name="Gaussian Wave, IDL and Entropy variables") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-IDL-entropy.bin -state_var entropy -dm_plex_box_faces 5,5,1 -ts_max_steps 5 -idl_decay_time 2e-3 -idl_length 0.25 -idl_start 0 -idl_pressure 70 22 //TESTARGS(name="Blasius, SGS DataDriven Sequential Torch",only="torch") -ceed {ceed_resource} -options_file tests/blasius_stgtest.yaml -sgs_model_type data_driven -sgs_model_dd_leakyrelu_alpha 0.3 -sgs_model_dd_parameter_dir examples/dd_sgs_data -ts_dt 2e-9 -state_var primitive -ksp_rtol 1e-12 -snes_rtol 1e-12 -stg_mean_only -stg_fluctuating_IC -test_type solver -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-sgs-data-driven.bin -sgs_model_dd_implementation sequential_torch -sgs_model_dd_torch_model_path ./tests/createPyTorchModel/NNModel_HIT_fp64_jit.pt 23 //TESTARGS(name="Blasius, SGS DataDriven Sequential Ceed") -ceed {ceed_resource} -options_file tests/blasius_stgtest.yaml -sgs_model_type data_driven -sgs_model_dd_leakyrelu_alpha 0.3 -sgs_model_dd_parameter_dir examples/dd_sgs_data -ts_dt 2e-9 -state_var primitive -ksp_rtol 1e-12 -snes_rtol 1e-12 -stg_mean_only -stg_fluctuating_IC -test_type solver -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-sgs-data-driven.bin -sgs_model_dd_implementation sequential_ceed 24 //TESTARGS(name="Gaussian Wave, explicit, supg, IDL") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 1e-8 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-explicit.bin -dm_plex_box_faces 2,2,1 -ts_max_steps 5 -degree 3 -implicit false -ts_type rk -stab supg -state_var conservative -mass_ksp_type gmres -mass_pc_jacobi_type diagonal -idl_decay_time 2e-3 -idl_length 0.25 -idl_start 0 -idl_pressure 70 25 //TESTARGS(name="Advection 2D, rotation, explicit, supg, consistent mass") -ceed {ceed_resource} -test_type solver -problem advection -degree 3 -dm_plex_box_faces 2,2 -dm_plex_box_lower 0,0 -dm_plex_box_upper 125,125 -bc_wall 1,2,3,4 -wall_comps 4 -units_kilogram 1e-9 -rc 100. -ts_dt 1e-3 -ts_max_steps 10 -stab supg -Ctaus 0.5 -mass_ksp_type gmres -mass_pc_type vpbjacobi -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-rotation-explicit-stab-supg-consistent-mass.bin 26 //TESTARGS(name="Advection, skew") -ceed {ceed_resource} -test_type solver -options_file examples/advection.yaml -ts_max_steps 5 -wind_type translation -wind_translation -0.5547002,0.83205029,0 -advection_ic_type skew -dm_plex_box_faces 2,1,1 -degree 2 -stab supg -stab_tau advdiff_shakib -Ctau_a 4 -Ctau_d 0 -ksp_type gmres -diffusion_coeff 5e-4 -compare_final_state_atol 7e-10 -compare_final_state_filename tests/output/fluids-navierstokes-adv-skew.bin 27 //TESTARGS(name="Blasius, bc_slip, Indirect Diffusive Flux Projection") -ceed {ceed_resource} -test_type solver -options_file examples/blasius.yaml -ts_max_steps 5 -dm_plex_box_faces 3,20,1 -platemesh_nDelta 10 -platemesh_growth 1.2 -bc_outflow 5 -bc_slip 4 -compare_final_state_atol 2E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-bc_slip_indirect.bin -div_diff_flux_projection_method indirect 28 //TESTARGS(name="Blasius, bc_slip, Direct Diffusive Flux Projection") -ceed {ceed_resource} -test_type solver -options_file examples/blasius.yaml -ts_max_steps 5 -dm_plex_box_faces 3,20,1 -platemesh_nDelta 10 -platemesh_growth 1.2 -bc_outflow 5 -bc_slip 4 -compare_final_state_atol 2E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-bc_slip.bin -div_diff_flux_projection_method direct 29 //TESTARGS(name="Advection, rotation, cosine, direct div(F_diff)") -ceed {ceed_resource} -test_type solver -options_file examples/advection.yaml -ts_max_steps 5 -advection_ic_type cosine_hill -dm_plex_box_faces 2,2,1 -diffusion_coeff 5e-3 -div_diff_flux_projection_method direct -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-adv-rotation-cosine.bin 30 //TESTARGS(name="Gaussian Wave, using MatShell") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 1e-8 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-shell.bin -dm_plex_box_faces 2,2,1 -ts_max_steps 5 -degree 3 -amat_type shell -pc_type vpbjacobi -ts_alpha_radius 0.5 31 //TESTARGS(name="Taylor-Green Vortex IC") -ceed {ceed_resource} -problem taylor_green -test_type solver -dm_plex_dim 3 -dm_plex_box_faces 6,6,6 -ts_max_steps 0 -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-taylor-green-IC.bin 32 //TESTARGS(name="Blasius, SGS DataDriven Fused") -ceed {ceed_resource} -options_file tests/blasius_stgtest.yaml -sgs_model_type data_driven -sgs_model_dd_leakyrelu_alpha 0.3 -sgs_model_dd_parameter_dir examples/dd_sgs_data -ts_dt 2e-9 -state_var primitive -ksp_rtol 1e-12 -snes_rtol 1e-12 -stg_mean_only -stg_fluctuating_IC -test_type solver -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-sgs-data-driven.bin 33 //TESTARGS(name="Blasius, Anisotropic Differential Filter") -ceed {ceed_resource} -test_type diff_filter -options_file tests/blasius_test.yaml -compare_final_state_atol 5e-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_diff_filter_aniso_vandriest.bin -diff_filter_monitor -ts_max_steps 0 -state_var primitive -diff_filter_friction_length 1e-5 -diff_filter_wall_damping_function van_driest -diff_filter_ksp_rtol 1e-8 -diff_filter_grid_based_width -diff_filter_width_scaling 1,0.7,1 34 //TESTARGS(name="Blasius, Isotropic Differential Filter") -ceed {ceed_resource} -test_type diff_filter -options_file tests/blasius_test.yaml -compare_final_state_atol 2e-12 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_diff_filter_iso.bin -diff_filter_monitor -ts_max_steps 0 -diff_filter_width_scaling 4.2e-5,4.2e-5,4.2e-5 -diff_filter_ksp_atol 1e-14 -diff_filter_ksp_rtol 1e-16 35 //TESTARGS(name="Gaussian Wave, with IDL") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-IDL.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 5 -idl_decay_time 2e-3 -idl_length 0.25 -idl_start 0 -ts_alpha_radius 0.5 -idl_pressure 70 36 //TESTARGS(name="Spanwise Turbulence Statistics") -ceed {ceed_resource} -test_type turb_spanstats -options_file tests/stats_test.yaml -compare_final_state_atol 1E-11 -compare_final_state_filename tests/output/fluids-navierstokes-turb-spanstats-stats.bin 37 //TESTARGS(name="Blasius") -ceed {ceed_resource} -test_type solver -options_file tests/blasius_test.yaml -compare_final_state_atol 2E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius.bin 38 //TESTARGS(name="Blasius, STG Inflow") -ceed {ceed_resource} -test_type solver -options_file tests/blasius_stgtest.yaml -compare_final_state_atol 2E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_STG.bin 39 //TESTARGS(name="Blasius, STG Inflow, Weak Temperature") -ceed {ceed_resource} -test_type solver -options_file tests/blasius_stgtest.yaml -compare_final_state_atol 1E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_STG_weakT.bin -weakT 40 //TESTARGS(name="Blasius, Strong STG Inflow") -ceed {ceed_resource} -test_type solver -options_file tests/blasius_stgtest.yaml -compare_final_state_atol 1E-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_STG_strongBC.bin -stg_strong true 41 //TESTARGS(name="Channel") -ceed {ceed_resource} -test_type solver -options_file examples/channel.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename tests/output/fluids-navierstokes-channel.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 5 42 //TESTARGS(name="Channel, Primitive") -ceed {ceed_resource} -test_type solver -options_file examples/channel.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename tests/output/fluids-navierstokes-channel-prim.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 5 -state_var primitive 43 //TESTARGS(name="Density Current, explicit") -ceed {ceed_resource} -test_type solver -degree 3 -q_extra 2 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -bc_symmetry_x 5,6 -bc_symmetry_y 3,4 -bc_symmetry_z 1,2 -units_kilogram 1e-9 -center 62.5,62.5,187.5 -rc 100. -thetaC -35. -mu 75 -gravity 0,0,-9.81 -ts_dt 1e-3 -units_meter 1e-2 -units_second 1e-2 -ts_max_steps 10 -compare_final_state_atol 1E-11 -compare_final_state_filename tests/output/fluids-navierstokes-dc-explicit.bin 44 //TESTARGS(name="Density Current, implicit, no stabilization") -ceed {ceed_resource} -test_type solver -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -bc_symmetry_x 5,6 -bc_symmetry_y 3,4 -bc_symmetry_z 1,2 -units_kilogram 1e-9 -center 62.5,62.5,187.5 -rc 100. -thetaC -35. -mu 75 -gravity 0,0,-9.81 -units_meter 1e-2 -units_second 1e-2 -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -ts_type alpha -ts_max_steps 10 -compare_final_state_atol 5E-4 -compare_final_state_filename tests/output/fluids-navierstokes-dc-implicit-stab-none.bin 45 //TESTARGS(name="Advection, rotation, implicit, SUPG stabilization") -ceed {ceed_resource} -test_type solver -problem advection -CtauS .3 -stab supg -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -bc_wall 1,2,3,4,5,6 -wall_comps 4 -units_kilogram 1e-9 -rc 100. -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -dm_mat_preallocate_skip 0 -ts_type alpha -compare_final_state_atol 5E-4 -ts_max_steps 10 -compare_final_state_filename tests/output/fluids-navierstokes-adv-rotation-implicit-stab-supg.bin 46 //TESTARGS(name="Advection, translation, implicit, SU stabilization") -ceed {ceed_resource} -test_type solver -problem advection -CtauS .3 -stab su -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -units_kilogram 1e-9 -rc 100. -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -dm_mat_preallocate_skip 0 -ts_type alpha -wind_type translation -wind_translation .53,-1.33,-2.65 -bc_inflow 1,2,3,4,5,6 -ts_max_steps 10 -compare_final_state_atol 5E-4 -compare_final_state_filename tests/output/fluids-navierstokes-adv-translation-implicit-stab-su.bin 47 //TESTARGS(name="Advection 2D, rotation, explicit, strong form") -ceed {ceed_resource} -test_type solver -problem advection -strong_form 1 -degree 3 -dm_plex_box_faces 2,2 -dm_plex_box_lower 0,0 -dm_plex_box_upper 125,125 -bc_wall 1,2,3,4 -wall_comps 4 -units_kilogram 1e-9 -rc 100. -ts_dt 1e-3 -compare_final_state_atol 5E-11 -ts_max_steps 10 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-rotation-explicit-strong.bin 48 //TESTARGS(name="Advection 2D, rotation, implicit, SUPG stabilization") -ceed {ceed_resource} -test_type solver -problem advection -CtauS .3 -stab supg -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0 -dm_plex_box_upper 125,125 -bc_wall 1,2,3,4 -wall_comps 4 -units_kilogram 1e-9 -rc 100. -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -dm_mat_preallocate_skip 0 -ts_type alpha -ts_max_steps 10 -compare_final_state_atol 5E-4 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-rotation-implicit-stab-supg.bin 49 //TESTARGS(name="Euler, implicit") -ceed {ceed_resource} -test_type solver -problem euler_vortex -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -units_meter 1e-4 -units_second 1e-4 -mean_velocity 1.4,-2.,0 -bc_inflow 4,6 -bc_outflow 3,5 -bc_symmetry_z 1,2 -vortex_strength 2 -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -dm_mat_preallocate_skip 0 -ts_type alpha -ts_max_steps 10 -compare_final_state_atol 5E-4 -compare_final_state_filename tests/output/fluids-navierstokes-euler-implicit.bin 50 //TESTARGS(name="Euler, explicit") -ceed {ceed_resource} -test_type solver -problem euler_vortex -degree 3 -q_extra 2 -dm_plex_box_faces 2,2,1 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -units_meter 1e-4 -units_second 1e-4 -mean_velocity 1.4,-2.,0 -bc_inflow 4,6 -bc_outflow 3,5 -bc_symmetry_z 1,2 -vortex_strength 2 -ts_dt 1e-7 -ts_rk_type 5bs -ts_rtol 1e-10 -ts_atol 1e-10 -ts_max_steps 10 -compare_final_state_atol 1E-7 -compare_final_state_filename tests/output/fluids-navierstokes-euler-explicit.bin 51 //TESTARGS(name="Sod Shocktube, explicit, SU stabilization, y-z-beta shock capturing") -ceed {ceed_resource} -test_type solver -problem shocktube -degree 1 -q_extra 2 -dm_plex_box_faces 50,1,1 -units_meter 1e-2 units_second 1e-2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 1000,20,20 -dm_plex_dim 3 -bc_symmetry_x 5,6 -bc_symmetry_y 3,4 -bc_symmetry_z 1,2 -yzb -stab su -ts_max_steps 10 -compare_final_state_atol 1E-11 -compare_final_state_filename tests/output/fluids-navierstokes-shocktube-explicit-su-yzb.bin 52 53 /// @file 54 /// Navier-Stokes example using PETSc 55 56 const char help[] = "Solve Navier-Stokes using PETSc and libCEED\n"; 57 58 #include <navierstokes.h> 59 #include <petscdevice.h> 60 61 #include <ceed.h> 62 #include <petscdmplex.h> 63 #include <petscts.h> 64 65 int main(int argc, char **argv) { 66 // --------------------------------------------------------------------------- 67 // Initialize PETSc 68 // --------------------------------------------------------------------------- 69 PetscCall(PetscInitialize(&argc, &argv, NULL, help)); 70 71 // --------------------------------------------------------------------------- 72 // Create structs 73 // --------------------------------------------------------------------------- 74 AppCtx app_ctx; 75 PetscCall(PetscCalloc1(1, &app_ctx)); 76 77 ProblemData problem; 78 PetscCall(PetscCalloc1(1, &problem)); 79 80 User user; 81 PetscCall(PetscCalloc1(1, &user)); 82 83 CeedData ceed_data; 84 PetscCall(PetscCalloc1(1, &ceed_data)); 85 86 SimpleBC bc; 87 PetscCall(PetscCalloc1(1, &bc)); 88 89 Physics phys_ctx; 90 PetscCall(PetscCalloc1(1, &phys_ctx)); 91 92 Units units; 93 PetscCall(PetscCalloc1(1, &units)); 94 95 user->app_ctx = app_ctx; 96 user->units = units; 97 user->phys = phys_ctx; 98 problem->set_bc_from_ics = PETSC_TRUE; 99 100 PetscCall(RegisterLogEvents()); 101 102 // --------------------------------------------------------------------------- 103 // Process command line options 104 // --------------------------------------------------------------------------- 105 // -- Register problems to be available on the command line 106 PetscCall(RegisterProblems_NS(app_ctx)); 107 108 // -- Process general command line options 109 MPI_Comm comm = PETSC_COMM_WORLD; 110 user->comm = comm; 111 PetscCall(ProcessCommandLineOptions(comm, app_ctx, bc)); 112 PetscCall(BoundaryConditionSetUp(user, problem, app_ctx, bc)); 113 114 // --------------------------------------------------------------------------- 115 // Initialize libCEED 116 // --------------------------------------------------------------------------- 117 // -- Initialize backend 118 Ceed ceed; 119 PetscCheck(CeedInit(app_ctx->ceed_resource, &ceed) == CEED_ERROR_SUCCESS, comm, PETSC_ERR_LIB, "Ceed initialization failed"); 120 user->ceed = ceed; 121 122 PetscCheck(CeedSetErrorHandler(ceed, CeedErrorStore) == CEED_ERROR_SUCCESS, comm, PETSC_ERR_LIB, "Setting libCEED error handler failed"); 123 124 // -- Check preferred MemType 125 CeedMemType mem_type_backend; 126 PetscCallCeed(ceed, CeedGetPreferredMemType(ceed, &mem_type_backend)); 127 128 { 129 const char *resource; 130 PetscCallCeed(ceed, CeedGetResource(ceed, &resource)); 131 if (strstr(resource, "/gpu/sycl")) { 132 PetscDeviceContext dctx; 133 PetscCall(PetscDeviceContextGetCurrentContext(&dctx)); 134 void *stream_handle; 135 PetscCall(PetscDeviceContextGetStreamHandle(dctx, &stream_handle)); 136 PetscCallCeed(ceed, CeedSetStream(ceed, stream_handle)); 137 } 138 } 139 140 // --------------------------------------------------------------------------- 141 // Set up global mesh 142 // --------------------------------------------------------------------------- 143 // -- Create DM 144 DM dm; 145 VecType vec_type = NULL; 146 MatType mat_type = NULL; 147 switch (mem_type_backend) { 148 case CEED_MEM_HOST: 149 vec_type = VECSTANDARD; 150 break; 151 case CEED_MEM_DEVICE: { 152 const char *resolved; 153 PetscCallCeed(ceed, CeedGetResource(ceed, &resolved)); 154 if (strstr(resolved, "/gpu/cuda")) vec_type = VECCUDA; 155 else if (strstr(resolved, "/gpu/hip")) vec_type = VECKOKKOS; 156 else if (strstr(resolved, "/gpu/sycl")) vec_type = VECKOKKOS; 157 else vec_type = VECSTANDARD; 158 } 159 } 160 if (strstr(vec_type, VECCUDA)) mat_type = MATAIJCUSPARSE; 161 else if (strstr(vec_type, VECKOKKOS)) mat_type = MATAIJKOKKOS; 162 else mat_type = MATAIJ; 163 PetscCall(CreateDM(comm, problem, mat_type, vec_type, &dm)); 164 user->dm = dm; 165 PetscCall(DMSetApplicationContext(dm, user)); 166 167 // --------------------------------------------------------------------------- 168 // Choose the problem from the list of registered problems 169 // --------------------------------------------------------------------------- 170 { 171 PetscErrorCode (*p)(ProblemData, DM, void *, SimpleBC); 172 PetscCall(PetscFunctionListFind(app_ctx->problems, app_ctx->problem_name, &p)); 173 PetscCheck(p, PETSC_COMM_SELF, 1, "Problem '%s' not found", app_ctx->problem_name); 174 PetscCall((*p)(problem, dm, &user, bc)); 175 } 176 177 // -- Set up DM 178 PetscCall(SetUpDM(dm, problem, app_ctx->degree, app_ctx->q_extra, bc, phys_ctx)); 179 180 // -- Refine DM for high-order viz 181 if (app_ctx->viz_refine) PetscCall(VizRefineDM(dm, user, problem, bc, phys_ctx)); 182 183 // --------------------------------------------------------------------------- 184 // Create solution vectors 185 // --------------------------------------------------------------------------- 186 // -- Set up global state vector Q 187 Vec Q; 188 PetscCall(DMCreateGlobalVector(dm, &Q)); 189 PetscCall(VecZeroEntries(Q)); 190 191 // -- Set up local state vectors Q_loc, Q_dot_loc 192 PetscCall(DMCreateLocalVector(dm, &user->Q_loc)); 193 PetscCall(DMCreateLocalVector(dm, &user->Q_dot_loc)); 194 PetscCall(VecZeroEntries(user->Q_dot_loc)); 195 196 // --------------------------------------------------------------------------- 197 // Set up libCEED 198 // --------------------------------------------------------------------------- 199 // -- Set up libCEED objects 200 PetscCall(SetupLibceed(ceed, ceed_data, dm, user, app_ctx, problem, bc)); 201 202 // --------------------------------------------------------------------------- 203 // Set up ICs 204 // --------------------------------------------------------------------------- 205 // -- Fix multiplicity for ICs 206 PetscCall(ICs_FixMultiplicity(dm, ceed_data, user, user->Q_loc, Q, 0.0)); 207 208 // --------------------------------------------------------------------------- 209 // Record boundary values from initial condition 210 // --------------------------------------------------------------------------- 211 // -- This overrides DMPlexInsertBoundaryValues(). 212 // We use this for the main simulation DM because the reference DMPlexInsertBoundaryValues() is very slow on the GPU due to extra device-to-host 213 // communication. If we disable this, we should still get the same results due to the problem->bc function, but with potentially much slower 214 // execution. 215 if (problem->set_bc_from_ics) { 216 PetscCall(SetBCsFromICs(dm, Q, user->Q_loc)); 217 } 218 219 // --------------------------------------------------------------------------- 220 // Create output directory 221 // --------------------------------------------------------------------------- 222 PetscMPIInt rank; 223 MPI_Comm_rank(comm, &rank); 224 if (!rank) { 225 PetscCall(PetscMkdir(app_ctx->output_dir)); 226 } 227 228 // --------------------------------------------------------------------------- 229 // Gather initial Q values in case of continuation of simulation 230 // --------------------------------------------------------------------------- 231 // -- Set up initial values from binary file 232 if (app_ctx->cont_steps) { 233 PetscViewer viewer; 234 235 PetscCall(PetscViewerBinaryOpen(comm, app_ctx->cont_file, FILE_MODE_READ, &viewer)); 236 PetscCall(HoneeLoadBinaryVec(viewer, Q, &app_ctx->cont_time, &app_ctx->cont_steps)); 237 PetscCall(PetscViewerDestroy(&viewer)); 238 } 239 240 // -- Zero Q_loc 241 PetscCall(VecZeroEntries(user->Q_loc)); 242 243 // --------------------------------------------------------------------------- 244 // TS: Create, setup, and solve 245 // --------------------------------------------------------------------------- 246 TS ts; 247 PetscScalar final_time; 248 PetscCall(TSSolve_NS(dm, user, app_ctx, phys_ctx, problem, &Q, &final_time, &ts)); 249 250 // --------------------------------------------------------------------------- 251 // Post-processing 252 // --------------------------------------------------------------------------- 253 PetscCall(PostProcess(ts, ceed_data, dm, problem, user, Q, final_time)); 254 255 // --------------------------------------------------------------------------- 256 // Destroy libCEED objects 257 // --------------------------------------------------------------------------- 258 259 PetscCall(TurbulenceStatisticsDestroy(user, ceed_data)); 260 PetscCall(NodalProjectionDataDestroy(user->grad_velo_proj)); 261 PetscCall(SgsDDDataDestroy(user->sgs_dd_data)); 262 PetscCall(DifferentialFilterDataDestroy(user->diff_filter)); 263 PetscCall(SGS_DD_TrainingDataDestroy(user->sgs_dd_train)); 264 PetscCall(SmartSimDataDestroy(user->smartsim)); 265 PetscCall(QDataClearStoredData()); 266 PetscCall(DivDiffFluxProjectionDataDestroy(user->diff_flux_proj)); 267 268 // -- Vectors 269 PetscCallCeed(ceed, CeedVectorDestroy(&ceed_data->x_coord)); 270 PetscCallCeed(ceed, CeedVectorDestroy(&user->q_ceed)); 271 PetscCallCeed(ceed, CeedVectorDestroy(&user->q_dot_ceed)); 272 PetscCallCeed(ceed, CeedVectorDestroy(&user->g_ceed)); 273 274 // -- Bases 275 PetscCallCeed(ceed, CeedBasisDestroy(&ceed_data->basis_q)); 276 PetscCallCeed(ceed, CeedBasisDestroy(&ceed_data->basis_x)); 277 278 // -- Restrictions 279 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&ceed_data->elem_restr_q)); 280 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&ceed_data->elem_restr_x)); 281 282 // Destroy QFunction contexts after using 283 // ToDo: Simplify tracked libCEED objects, smaller struct 284 { 285 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_inflow.qfctx)); 286 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_inflow_jacobian.qfctx)); 287 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_outflow.qfctx)); 288 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_outflow_jacobian.qfctx)); 289 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_freestream.qfctx)); 290 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_freestream_jacobian.qfctx)); 291 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_slip.qfctx)); 292 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_slip_jacobian.qfctx)); 293 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->ics.qfctx)); 294 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_vol_rhs.qfctx)); 295 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_vol_ifunction.qfctx)); 296 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_vol_ijacobian.qfctx)); 297 } 298 299 // -- Operators 300 PetscCall(OperatorApplyContextDestroy(ceed_data->op_ics_ctx)); 301 PetscCall(OperatorApplyContextDestroy(user->op_rhs_ctx)); 302 PetscCall(OperatorApplyContextDestroy(user->op_strong_bc_ctx)); 303 PetscCallCeed(ceed, CeedOperatorDestroy(&user->op_ifunction)); 304 305 // -- Ceed 306 PetscCheck(CeedDestroy(&ceed) == CEED_ERROR_SUCCESS, comm, PETSC_ERR_LIB, "Destroying Ceed object failed"); 307 308 if (app_ctx->test_type != TESTTYPE_NONE) { 309 PetscInt num_options_left = 0; 310 PetscCall(PetscOptionsLeftGet(NULL, &num_options_left, NULL, NULL)); 311 PetscCheck(num_options_left == 0, PETSC_COMM_WORLD, -1, 312 "There are unused options. This is not allowed. See error message for the unused options (or use -options_left directly)"); 313 } 314 315 // --------------------------------------------------------------------------- 316 // Clean up PETSc 317 // --------------------------------------------------------------------------- 318 // -- Vectors 319 PetscCall(VecDestroy(&Q)); 320 PetscCall(VecDestroy(&user->Q_loc)); 321 PetscCall(VecDestroy(&user->Q_dot_loc)); 322 323 PetscCall(KSPDestroy(&user->mass_ksp)); 324 325 // -- Matrices 326 PetscCall(MatDestroy(&user->interp_viz)); 327 PetscCall(MatDestroy(&user->mat_ijacobian)); 328 329 // -- DM 330 PetscCall(DMDestroy(&dm)); 331 PetscCall(DMDestroy(&user->dm_viz)); 332 333 // -- TS 334 PetscCall(TSDestroy(&ts)); 335 336 // -- Function list 337 PetscCall(PetscFunctionListDestroy(&app_ctx->problems)); 338 339 PetscCall(PetscFree(app_ctx->amat_type)); 340 PetscCall(PetscFree(app_ctx->wall_forces.walls)); 341 PetscCall(PetscViewerDestroy(&app_ctx->wall_forces.viewer)); 342 PetscCall(PetscViewerDestroy(&app_ctx->turb_spanstats_viewer)); 343 344 // -- Structs 345 for (PetscInt i = 0; i < problem->num_bc_defs; i++) { 346 PetscCall(BCDefinitionDestroy(&problem->bc_defs[i])); 347 } 348 PetscCall(PetscFree(problem->bc_defs)); 349 PetscCall(PetscFree(units)); 350 PetscCall(PetscFree(user)); 351 PetscCall(PetscFree(problem)); 352 PetscCall(PetscFree(bc)); 353 PetscCall(PetscFree(phys_ctx)); 354 PetscCall(PetscFree(app_ctx)); 355 PetscCall(PetscFree(ceed_data)); 356 PetscCall(PetscFree(problem)); 357 358 return PetscFinalize(); 359 } 360