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