1 // Copyright (c) 2017-2022, 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 11 // Navier-Stokes problem. 12 // 13 // The code is intentionally "raw", using only low-level communication 14 // primitives. 15 // 16 // Build with: 17 // 18 // make [PETSC_DIR=</path/to/petsc>] [CEED_DIR=</path/to/libceed>] navierstokes 19 // 20 // Sample runs: 21 // 22 // ./navierstokes -ceed /cpu/self -problem density_current -degree 1 23 // ./navierstokes -ceed /gpu/cuda -problem advection -degree 1 24 // 25 //TESTARGS(name="blasius") -ceed {ceed_resource} -test -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 26 //TESTARGS(name="blasius_STG") -ceed {ceed_resource} -test -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 27 //TESTARGS(name="blasius_STG_weakT") -ceed {ceed_resource} -test -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 28 //TESTARGS(name="blasius_STG_strongBC") -ceed {ceed_resource} -test -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 29 //TESTARGS(name="channel") -ceed {ceed_resource} -test -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 30 //TESTARGS(name="channel-primitive") -ceed {ceed_resource} -test -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 31 //TESTARGS(name="dc_explicit") -ceed {ceed_resource} -test -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_slip_x 5,6 -bc_slip_y 3,4 -bc_Slip_z 1,2 -units_kilogram 1e-9 -center 62.5,62.5,187.5 -rc 100. -thetaC -35. -mu 75 -ts_dt 1e-3 -units_meter 1e-2 -units_second 1e-2 -compare_final_state_atol 1E-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-dc-explicit.bin 32 //TESTARGS(name="dc_implicit_stab_none") -ceed {ceed_resource} -test -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_slip_x 5,6 -bc_slip_y 3,4 -bc_Slip_z 1,2 -units_kilogram 1e-9 -center 62.5,62.5,187.5 -rc 100. -thetaC -35. -mu 75 -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 -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-dc-implicit-stab-none.bin 33 //TESTARGS(name="adv_rotation_implicit_stab_supg") -ceed {ceed_resource} -test -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 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv-rotation-implicit-stab-supg.bin 34 //TESTARGS(name="adv_translation_implicit_stab_su") -ceed {ceed_resource} -test -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 -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv-translation-implicit-stab-su.bin 35 //TESTARGS(name="adv2d_rotation_explicit_strong") -ceed {ceed_resource} -test -problem advection2d -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 1E-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv2d-rotation-explicit-strong.bin 36 //TESTARGS(name="adv2d_rotation_implicit_stab_supg") -ceed {ceed_resource} -test -problem advection2d -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 -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv2d-rotation-implicit-stab-supg.bin 37 //TESTARGS(name="euler_implicit") -ceed {ceed_resource} -test -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_slip_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 -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-euler-implicit.bin 38 //TESTARGS(name="euler_explicit") -ceed {ceed_resource} -test -problem euler_vortex -degree 3 -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_slip_z 1,2 -vortex_strength 2 -ts_dt 1e-7 -ts_rk_type 5bs -ts_rtol 1e-10 -ts_atol 1e-10 -compare_final_state_atol 1E-7 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-euler-explicit.bin 39 //TESTARGS(name="shocktube_explicit_su_yzb") -ceed {ceed_resource} -test -problem shocktube -degree 1 -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_slip_x 5,6 -bc_slip_y 3,4 -bc_Slip_z 1,2 -yzb -stab su -compare_final_state_atol 1E-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-shocktube-explicit-su-yzb.bin 40 41 /// @file 42 /// Navier-Stokes example using PETSc 43 44 const char help[] = "Solve Navier-Stokes using PETSc and libCEED\n"; 45 46 #include "navierstokes.h" 47 48 int main(int argc, char **argv) { 49 // --------------------------------------------------------------------------- 50 // Initialize PETSc 51 // --------------------------------------------------------------------------- 52 PetscInt ierr; 53 ierr = PetscInitialize(&argc, &argv, NULL, help); 54 if (ierr) return ierr; 55 56 // --------------------------------------------------------------------------- 57 // Create structs 58 // --------------------------------------------------------------------------- 59 AppCtx app_ctx; 60 ierr = PetscCalloc1(1, &app_ctx); CHKERRQ(ierr); 61 62 ProblemData *problem = NULL; 63 ierr = PetscCalloc1(1, &problem); CHKERRQ(ierr); 64 65 User user; 66 ierr = PetscCalloc1(1, &user); CHKERRQ(ierr); 67 68 CeedData ceed_data; 69 ierr = PetscCalloc1(1, &ceed_data); CHKERRQ(ierr); 70 71 SimpleBC bc; 72 ierr = PetscCalloc1(1, &bc); CHKERRQ(ierr); 73 74 Physics phys_ctx; 75 ierr = PetscCalloc1(1, &phys_ctx); CHKERRQ(ierr); 76 77 Units units; 78 ierr = PetscCalloc1(1, &units); CHKERRQ(ierr); 79 80 user->app_ctx = app_ctx; 81 user->units = units; 82 user->phys = phys_ctx; 83 problem->bc_from_ics = PETSC_TRUE; 84 85 // --------------------------------------------------------------------------- 86 // Process command line options 87 // --------------------------------------------------------------------------- 88 // -- Register problems to be available on the command line 89 ierr = RegisterProblems_NS(app_ctx); CHKERRQ(ierr); 90 91 // -- Process general command line options 92 MPI_Comm comm = PETSC_COMM_WORLD; 93 user->comm = comm; 94 ierr = ProcessCommandLineOptions(comm, app_ctx, bc); CHKERRQ(ierr); 95 96 // --------------------------------------------------------------------------- 97 // Initialize libCEED 98 // --------------------------------------------------------------------------- 99 // -- Initialize backend 100 Ceed ceed; 101 CeedInit(app_ctx->ceed_resource, &ceed); 102 user->ceed = ceed; 103 104 // -- Check preferred MemType 105 CeedMemType mem_type_backend; 106 CeedGetPreferredMemType(ceed, &mem_type_backend); 107 108 // --------------------------------------------------------------------------- 109 // Set up global mesh 110 // --------------------------------------------------------------------------- 111 // -- Create DM 112 DM dm; 113 VecType vec_type = NULL; 114 MatType mat_type = NULL; 115 switch (mem_type_backend) { 116 case CEED_MEM_HOST: vec_type = VECSTANDARD; break; 117 case CEED_MEM_DEVICE: { 118 const char *resolved; 119 CeedGetResource(ceed, &resolved); 120 if (strstr(resolved, "/gpu/cuda")) vec_type = VECCUDA; 121 else if (strstr(resolved, "/gpu/hip")) vec_type = VECKOKKOS; 122 else vec_type = VECSTANDARD; 123 } 124 } 125 if (strstr(vec_type, VECCUDA)) mat_type = MATAIJCUSPARSE; 126 else if (strstr(vec_type, VECKOKKOS)) mat_type = MATAIJKOKKOS; 127 else mat_type = MATAIJ; 128 ierr = CreateDM(comm, problem, mat_type, vec_type, &dm); CHKERRQ(ierr); 129 user->dm = dm; 130 PetscCall(DMSetApplicationContext(dm, user)); 131 132 // --------------------------------------------------------------------------- 133 // Choose the problem from the list of registered problems 134 // --------------------------------------------------------------------------- 135 { 136 PetscErrorCode (*p)(ProblemData *, DM, void *); 137 ierr = PetscFunctionListFind(app_ctx->problems, app_ctx->problem_name, &p); 138 CHKERRQ(ierr); 139 if (!p) SETERRQ(PETSC_COMM_SELF, 1, "Problem '%s' not found", 140 app_ctx->problem_name); 141 ierr = (*p)(problem, dm, &user); CHKERRQ(ierr); 142 } 143 144 // -- Set up DM 145 ierr = SetUpDM(dm, problem, app_ctx->degree, bc, phys_ctx); 146 CHKERRQ(ierr); 147 148 // -- Refine DM for high-order viz 149 if (app_ctx->viz_refine) { 150 ierr = VizRefineDM(dm, user, problem, bc, phys_ctx); 151 CHKERRQ(ierr); 152 } 153 154 // --------------------------------------------------------------------------- 155 // Set up libCEED 156 // --------------------------------------------------------------------------- 157 // -- Set up libCEED objects 158 ierr = SetupLibceed(ceed, ceed_data, dm, user, app_ctx, problem, bc); 159 CHKERRQ(ierr); 160 161 // --------------------------------------------------------------------------- 162 // Set up ICs 163 // --------------------------------------------------------------------------- 164 // -- Set up global state vector Q 165 Vec Q; 166 ierr = DMCreateGlobalVector(dm, &Q); CHKERRQ(ierr); 167 ierr = VecZeroEntries(Q); CHKERRQ(ierr); 168 169 // -- Set up local state vectors Q_loc, Q_dot_loc 170 ierr = DMCreateLocalVector(dm, &user->Q_loc); CHKERRQ(ierr); 171 ierr = DMCreateLocalVector(dm, &user->Q_dot_loc); CHKERRQ(ierr); 172 ierr = VecZeroEntries(user->Q_dot_loc); CHKERRQ(ierr); 173 174 // -- Fix multiplicity for ICs 175 ierr = ICs_FixMultiplicity(dm, ceed_data, user, user->Q_loc, Q, 0.0); 176 CHKERRQ(ierr); 177 178 // --------------------------------------------------------------------------- 179 // Set up lumped mass matrix 180 // --------------------------------------------------------------------------- 181 // -- Set up global mass vector 182 ierr = VecDuplicate(Q, &user->M); CHKERRQ(ierr); 183 184 // -- Compute lumped mass matrix 185 ierr = ComputeLumpedMassMatrix(ceed, dm, ceed_data, user->M); CHKERRQ(ierr); 186 187 // --------------------------------------------------------------------------- 188 // Record boundary values from initial condition 189 // --------------------------------------------------------------------------- 190 // -- This overrides DMPlexInsertBoundaryValues(). 191 // We use this for the main simulation DM because the reference 192 // DMPlexInsertBoundaryValues() is very slow. If we disable this, we should 193 // still get the same results due to the problem->bc function, but with 194 // potentially much slower execution. 195 if (problem->bc_from_ics) { 196 ierr = SetBCsFromICs_NS(dm, Q, user->Q_loc); CHKERRQ(ierr); 197 } 198 199 // --------------------------------------------------------------------------- 200 // Create output directory 201 // --------------------------------------------------------------------------- 202 PetscMPIInt rank; 203 MPI_Comm_rank(comm, &rank); 204 if (!rank) {ierr = PetscMkdir(app_ctx->output_dir); CHKERRQ(ierr);} 205 206 // --------------------------------------------------------------------------- 207 // Gather initial Q values in case of continuation of simulation 208 // --------------------------------------------------------------------------- 209 // -- Set up initial values from binary file 210 if (app_ctx->cont_steps) { 211 ierr = SetupICsFromBinary(comm, app_ctx, Q); CHKERRQ(ierr); 212 } 213 214 // --------------------------------------------------------------------------- 215 // Print problem summary 216 // --------------------------------------------------------------------------- 217 if (!app_ctx->test_mode) { 218 // Header and rank 219 char host_name[PETSC_MAX_PATH_LEN]; 220 int comm_size; 221 ierr = PetscGetHostName(host_name, sizeof host_name); CHKERRQ(ierr); 222 ierr = MPI_Comm_size(comm, &comm_size); CHKERRQ(ierr); 223 ierr = PetscPrintf(comm, 224 "\n-- Navier-Stokes solver - libCEED + PETSc --\n" 225 " MPI:\n" 226 " Host Name : %s\n" 227 " Total ranks : %d\n", 228 host_name, comm_size); CHKERRQ(ierr); 229 230 // Problem specific info 231 ierr = problem->print_info(problem, app_ctx); CHKERRQ(ierr); 232 233 // libCEED 234 const char *used_resource; 235 CeedGetResource(ceed, &used_resource); 236 ierr = PetscPrintf(comm, 237 " libCEED:\n" 238 " libCEED Backend : %s\n" 239 " libCEED Backend MemType : %s\n", 240 used_resource, CeedMemTypes[mem_type_backend]); CHKERRQ(ierr); 241 // PETSc 242 char box_faces_str[PETSC_MAX_PATH_LEN] = "3,3,3"; 243 if (problem->dim == 2) box_faces_str[3] = '\0'; 244 ierr = PetscOptionsGetString(NULL, NULL, "-dm_plex_box_faces", box_faces_str, 245 sizeof(box_faces_str), NULL); CHKERRQ(ierr); 246 MatType mat_type; 247 VecType vec_type; 248 ierr = DMGetMatType(dm, &mat_type); CHKERRQ(ierr); 249 ierr = DMGetVecType(dm, &vec_type); CHKERRQ(ierr); 250 ierr = PetscPrintf(comm, 251 " PETSc:\n" 252 " Box Faces : %s\n" 253 " DM MatType : %s\n" 254 " DM VecType : %s\n" 255 " Time Stepping Scheme : %s\n", 256 box_faces_str, mat_type, vec_type, 257 phys_ctx->implicit ? "implicit" : "explicit"); CHKERRQ(ierr); 258 // Mesh 259 const PetscInt num_comp_q = 5; 260 CeedInt glob_dofs, owned_dofs; 261 PetscInt glob_nodes, owned_nodes; 262 const CeedInt num_P = app_ctx->degree + 1, 263 num_Q = num_P + app_ctx->q_extra; 264 // -- Get global size 265 ierr = VecGetSize(Q, &glob_dofs); CHKERRQ(ierr); 266 ierr = VecGetLocalSize(Q, &owned_dofs); CHKERRQ(ierr); 267 glob_nodes = glob_dofs/num_comp_q; 268 // -- Get local size 269 ierr = VecGetSize(user->Q_loc, &owned_nodes); CHKERRQ(ierr); 270 owned_nodes /= num_comp_q; 271 ierr = PetscPrintf(comm, 272 " Mesh:\n" 273 " Number of 1D Basis Nodes (P) : %" CeedInt_FMT "\n" 274 " Number of 1D Quadrature Points (Q) : %" CeedInt_FMT "\n" 275 " Global DoFs : %" PetscInt_FMT "\n" 276 " Owned DoFs : %" PetscInt_FMT "\n" 277 " DoFs per node : %" PetscInt_FMT "\n" 278 " Global nodes : %" PetscInt_FMT "\n" 279 " Owned nodes : %" PetscInt_FMT "\n", 280 num_P, num_Q, glob_dofs, owned_dofs, num_comp_q, 281 glob_nodes, owned_nodes); CHKERRQ(ierr); 282 } 283 // -- Zero Q_loc 284 ierr = VecZeroEntries(user->Q_loc); CHKERRQ(ierr); 285 286 // --------------------------------------------------------------------------- 287 // TS: Create, setup, and solve 288 // --------------------------------------------------------------------------- 289 TS ts; 290 PetscScalar final_time; 291 ierr = TSSolve_NS(dm, user, app_ctx, phys_ctx, &Q, &final_time, &ts); 292 CHKERRQ(ierr); 293 294 // --------------------------------------------------------------------------- 295 // Post-processing 296 // --------------------------------------------------------------------------- 297 ierr = PostProcess_NS(ts, ceed_data, dm, problem, user, Q, final_time); 298 CHKERRQ(ierr); 299 300 // --------------------------------------------------------------------------- 301 // Destroy libCEED objects 302 // --------------------------------------------------------------------------- 303 // -- Vectors 304 CeedVectorDestroy(&ceed_data->x_coord); 305 CeedVectorDestroy(&ceed_data->q_data); 306 CeedVectorDestroy(&user->q_ceed); 307 CeedVectorDestroy(&user->q_dot_ceed); 308 CeedVectorDestroy(&user->g_ceed); 309 CeedVectorDestroy(&user->coo_values_amat); 310 CeedVectorDestroy(&user->coo_values_pmat); 311 312 // -- QFunctions 313 CeedQFunctionDestroy(&ceed_data->qf_setup_vol); 314 CeedQFunctionDestroy(&ceed_data->qf_ics); 315 CeedQFunctionDestroy(&ceed_data->qf_rhs_vol); 316 CeedQFunctionDestroy(&ceed_data->qf_ifunction_vol); 317 CeedQFunctionDestroy(&ceed_data->qf_setup_sur); 318 CeedQFunctionDestroy(&ceed_data->qf_apply_inflow); 319 CeedQFunctionDestroy(&ceed_data->qf_apply_inflow_jacobian); 320 CeedQFunctionDestroy(&ceed_data->qf_apply_outflow); 321 CeedQFunctionDestroy(&ceed_data->qf_apply_outflow_jacobian); 322 323 // -- Bases 324 CeedBasisDestroy(&ceed_data->basis_q); 325 CeedBasisDestroy(&ceed_data->basis_x); 326 CeedBasisDestroy(&ceed_data->basis_xc); 327 CeedBasisDestroy(&ceed_data->basis_q_sur); 328 CeedBasisDestroy(&ceed_data->basis_x_sur); 329 330 // -- Restrictions 331 CeedElemRestrictionDestroy(&ceed_data->elem_restr_q); 332 CeedElemRestrictionDestroy(&ceed_data->elem_restr_x); 333 CeedElemRestrictionDestroy(&ceed_data->elem_restr_qd_i); 334 335 // -- Operators 336 CeedOperatorDestroy(&ceed_data->op_setup_vol); 337 CeedOperatorDestroy(&ceed_data->op_ics); 338 CeedOperatorDestroy(&user->op_rhs_vol); 339 CeedOperatorDestroy(&user->op_ifunction_vol); 340 CeedOperatorDestroy(&user->op_rhs); 341 CeedOperatorDestroy(&user->op_ifunction); 342 CeedOperatorDestroy(&user->op_ijacobian); 343 344 // -- Ceed 345 CeedDestroy(&ceed); 346 347 // --------------------------------------------------------------------------- 348 // Clean up PETSc 349 // --------------------------------------------------------------------------- 350 // -- Vectors 351 ierr = VecDestroy(&Q); CHKERRQ(ierr); 352 ierr = VecDestroy(&user->M); CHKERRQ(ierr); 353 ierr = VecDestroy(&user->Q_loc); CHKERRQ(ierr); 354 ierr = VecDestroy(&user->Q_dot_loc); CHKERRQ(ierr); 355 356 // -- Matrices 357 ierr = MatDestroy(&user->interp_viz); CHKERRQ(ierr); 358 359 // -- DM 360 ierr = DMDestroy(&dm); CHKERRQ(ierr); 361 ierr = DMDestroy(&user->dm_viz); CHKERRQ(ierr); 362 363 // -- TS 364 ierr = TSDestroy(&ts); CHKERRQ(ierr); 365 366 // -- Function list 367 ierr = PetscFunctionListDestroy(&app_ctx->problems); CHKERRQ(ierr); 368 369 PetscCall(PetscFree(app_ctx->amat_type)); 370 371 // -- Structs 372 ierr = PetscFree(units); CHKERRQ(ierr); 373 ierr = PetscFree(user); CHKERRQ(ierr); 374 ierr = PetscFree(problem); CHKERRQ(ierr); 375 ierr = PetscFree(bc); CHKERRQ(ierr); 376 ierr = PetscFree(phys_ctx); CHKERRQ(ierr); 377 ierr = PetscFree(app_ctx); CHKERRQ(ierr); 378 ierr = PetscFree(ceed_data); CHKERRQ(ierr); 379 380 return PetscFinalize(); 381 } 382