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="channel") -ceed {ceed_resource} -test -options_file examples/fluids/channel.yaml -compare_final_state_atol 1E-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-channel.bin 26 //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 27 //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 28 //TESTARGS(name="adv_rotation_explicit_strong") -ceed {ceed_resource} -test -problem advection -strong_form 1 -degree 3 -dm_plex_box_faces 2,2,2 -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. -ts_dt 1e-3 -compare_final_state_atol 1E-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv-rotation-explicit-strong.bin 29 //TESTARGS(name="adv_rotation_implicit_sharp_cylinder") -ceed {ceed_resource} -test -problem advection -bubble_type cylinder -bubble_continuity back_sharp -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_z 1,2 -bc_wall 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 -ts_type alpha -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv-rotation-implicit-sharp-cylinder.bin 30 //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 -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 31 //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 -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 32 //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 33 //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 -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 34 //TESTARGS(name="adv2d_translation_implicit_stab_su") -ceed {ceed_resource} -test -problem advection2d -CtauS .3 -stab su -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0 -dm_plex_box_upper 125,125 -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 -ts_type alpha -wind_type translation -wind_translation .53,-1.33,0 -bc_inflow 1,2,3,4 -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv2d-translation-implicit-stab-su.bin 35 //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 -ts_type alpha -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-euler-implicit.bin 36 //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 37 //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 38 //TESTARGS(name="blasius_STG") -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.bin 39 //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 40 //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 41 42 /// @file 43 /// Navier-Stokes example using PETSc 44 45 const char help[] = "Solve Navier-Stokes using PETSc and libCEED\n"; 46 47 #include "navierstokes.h" 48 49 int main(int argc, char **argv) { 50 // --------------------------------------------------------------------------- 51 // Initialize PETSc 52 // --------------------------------------------------------------------------- 53 PetscInt ierr; 54 ierr = PetscInitialize(&argc, &argv, NULL, help); 55 if (ierr) return ierr; 56 57 // --------------------------------------------------------------------------- 58 // Create structs 59 // --------------------------------------------------------------------------- 60 AppCtx app_ctx; 61 ierr = PetscCalloc1(1, &app_ctx); CHKERRQ(ierr); 62 63 ProblemData *problem = NULL; 64 ierr = PetscCalloc1(1, &problem); CHKERRQ(ierr); 65 66 User user; 67 ierr = PetscCalloc1(1, &user); CHKERRQ(ierr); 68 69 CeedData ceed_data; 70 ierr = PetscCalloc1(1, &ceed_data); CHKERRQ(ierr); 71 72 SimpleBC bc; 73 ierr = PetscCalloc1(1, &bc); CHKERRQ(ierr); 74 75 Physics phys_ctx; 76 ierr = PetscCalloc1(1, &phys_ctx); CHKERRQ(ierr); 77 78 Units units; 79 ierr = PetscCalloc1(1, &units); CHKERRQ(ierr); 80 81 user->app_ctx = app_ctx; 82 user->units = units; 83 user->phys = phys_ctx; 84 problem->bc_from_ics = PETSC_TRUE; 85 86 // --------------------------------------------------------------------------- 87 // Process command line options 88 // --------------------------------------------------------------------------- 89 // -- Register problems to be available on the command line 90 ierr = RegisterProblems_NS(app_ctx); CHKERRQ(ierr); 91 92 // -- Process general command line options 93 MPI_Comm comm = PETSC_COMM_WORLD; 94 user->comm = comm; 95 ierr = ProcessCommandLineOptions(comm, app_ctx, bc); CHKERRQ(ierr); 96 97 // --------------------------------------------------------------------------- 98 // Initialize libCEED 99 // --------------------------------------------------------------------------- 100 // -- Initialize backend 101 Ceed ceed; 102 CeedInit(app_ctx->ceed_resource, &ceed); 103 user->ceed = ceed; 104 105 // -- Check preferred MemType 106 CeedMemType mem_type_backend; 107 CeedGetPreferredMemType(ceed, &mem_type_backend); 108 109 // --------------------------------------------------------------------------- 110 // Set up global mesh 111 // --------------------------------------------------------------------------- 112 // -- Create DM 113 DM dm; 114 ierr = CreateDM(comm, problem, &dm); CHKERRQ(ierr); 115 VecType vec_type = NULL; 116 switch (mem_type_backend) { 117 case CEED_MEM_HOST: vec_type = VECSTANDARD; break; 118 case CEED_MEM_DEVICE: { 119 const char *resolved; 120 CeedGetResource(ceed, &resolved); 121 if (strstr(resolved, "/gpu/cuda")) vec_type = VECCUDA; 122 else if (strstr(resolved, "/gpu/hip")) vec_type = VECHIP; 123 else vec_type = VECSTANDARD; 124 } 125 } 126 ierr = DMSetVecType(dm, vec_type); CHKERRQ(ierr); 127 user->dm = dm; 128 129 // --------------------------------------------------------------------------- 130 // Choose the problem from the list of registered problems 131 // --------------------------------------------------------------------------- 132 { 133 PetscErrorCode (*p)(ProblemData *, DM, void *); 134 ierr = PetscFunctionListFind(app_ctx->problems, app_ctx->problem_name, &p); 135 CHKERRQ(ierr); 136 if (!p) SETERRQ(PETSC_COMM_SELF, 1, "Problem '%s' not found", 137 app_ctx->problem_name); 138 ierr = (*p)(problem, dm, &user); CHKERRQ(ierr); 139 } 140 141 // -- Set up DM 142 ierr = SetUpDM(dm, problem, app_ctx->degree, bc, phys_ctx); 143 CHKERRQ(ierr); 144 145 // -- Refine DM for high-order viz 146 if (app_ctx->viz_refine) { 147 ierr = VizRefineDM(dm, user, problem, bc, phys_ctx); 148 CHKERRQ(ierr); 149 } 150 151 // --------------------------------------------------------------------------- 152 // Set up libCEED 153 // --------------------------------------------------------------------------- 154 // -- Set up libCEED objects 155 ierr = SetupLibceed(ceed, ceed_data, dm, user, app_ctx, problem, bc); 156 CHKERRQ(ierr); 157 158 // --------------------------------------------------------------------------- 159 // Set up ICs 160 // --------------------------------------------------------------------------- 161 // -- Set up global state vector Q 162 Vec Q; 163 ierr = DMCreateGlobalVector(dm, &Q); CHKERRQ(ierr); 164 ierr = VecZeroEntries(Q); CHKERRQ(ierr); 165 166 // -- Set up local state vector Q_loc 167 Vec Q_loc; 168 ierr = DMGetLocalVector(dm, &Q_loc); CHKERRQ(ierr); 169 170 // -- Fix multiplicity for ICs 171 ierr = ICs_FixMultiplicity(dm, ceed_data, user, Q_loc, Q, 0.0); CHKERRQ(ierr); 172 173 // --------------------------------------------------------------------------- 174 // Set up lumped mass matrix 175 // --------------------------------------------------------------------------- 176 // -- Set up global mass vector 177 ierr = VecDuplicate(Q, &user->M); CHKERRQ(ierr); 178 179 // -- Compute lumped mass matrix 180 ierr = ComputeLumpedMassMatrix(ceed, dm, ceed_data, user->M); CHKERRQ(ierr); 181 182 // --------------------------------------------------------------------------- 183 // Record boundary values from initial condition 184 // --------------------------------------------------------------------------- 185 // -- This overrides DMPlexInsertBoundaryValues(). 186 // We use this for the main simulation DM because the reference 187 // DMPlexInsertBoundaryValues() is very slow. If we disable this, we should 188 // still get the same results due to the problem->bc function, but with 189 // potentially much slower execution. 190 if (problem->bc_from_ics) { 191 ierr = SetBCsFromICs_NS(dm, Q, Q_loc); CHKERRQ(ierr); 192 } 193 194 // --------------------------------------------------------------------------- 195 // Create output directory 196 // --------------------------------------------------------------------------- 197 PetscMPIInt rank; 198 MPI_Comm_rank(comm, &rank); 199 if (!rank) {ierr = PetscMkdir(app_ctx->output_dir); CHKERRQ(ierr);} 200 201 // --------------------------------------------------------------------------- 202 // Gather initial Q values in case of continuation of simulation 203 // --------------------------------------------------------------------------- 204 // -- Set up initial values from binary file 205 if (app_ctx->cont_steps) { 206 ierr = SetupICsFromBinary(comm, app_ctx, Q); CHKERRQ(ierr); 207 } 208 209 // --------------------------------------------------------------------------- 210 // Print problem summary 211 // --------------------------------------------------------------------------- 212 if (!app_ctx->test_mode) { 213 // Header and rank 214 char host_name[PETSC_MAX_PATH_LEN]; 215 int comm_size; 216 ierr = PetscGetHostName(host_name, sizeof host_name); CHKERRQ(ierr); 217 ierr = MPI_Comm_size(comm, &comm_size); CHKERRQ(ierr); 218 ierr = PetscPrintf(comm, 219 "\n-- Navier-Stokes solver - libCEED + PETSc --\n" 220 " MPI:\n" 221 " Host Name : %s\n" 222 " Total ranks : %d\n", 223 host_name, comm_size); CHKERRQ(ierr); 224 225 // Problem specific info 226 ierr = problem->print_info(problem, app_ctx); CHKERRQ(ierr); 227 228 // libCEED 229 const char *used_resource; 230 CeedGetResource(ceed, &used_resource); 231 ierr = PetscPrintf(comm, 232 " libCEED:\n" 233 " libCEED Backend : %s\n" 234 " libCEED Backend MemType : %s\n", 235 used_resource, CeedMemTypes[mem_type_backend]); CHKERRQ(ierr); 236 // PETSc 237 char box_faces_str[PETSC_MAX_PATH_LEN] = "3,3,3"; 238 if (problem->dim == 2) box_faces_str[3] = '\0'; 239 ierr = PetscOptionsGetString(NULL, NULL, "-dm_plex_box_faces", box_faces_str, 240 sizeof(box_faces_str), NULL); CHKERRQ(ierr); 241 ierr = PetscPrintf(comm, 242 " PETSc:\n" 243 " Box Faces : %s\n" 244 " Time Stepping Scheme : %s\n", 245 box_faces_str, phys_ctx->implicit ? "implicit" : "explicit"); CHKERRQ(ierr); 246 // Mesh 247 const PetscInt num_comp_q = 5; 248 CeedInt glob_dofs, owned_dofs; 249 PetscInt glob_nodes, owned_nodes; 250 const CeedInt num_P = app_ctx->degree + 1, 251 num_Q = num_P + app_ctx->q_extra; 252 // -- Get global size 253 ierr = VecGetSize(Q, &glob_dofs); CHKERRQ(ierr); 254 ierr = VecGetLocalSize(Q, &owned_dofs); CHKERRQ(ierr); 255 glob_nodes = glob_dofs/num_comp_q; 256 // -- Get local size 257 ierr = VecGetSize(Q_loc, &owned_nodes); CHKERRQ(ierr); 258 owned_nodes /= num_comp_q; 259 ierr = PetscPrintf(comm, 260 " Mesh:\n" 261 " Number of 1D Basis Nodes (P) : %d\n" 262 " Number of 1D Quadrature Points (Q) : %d\n" 263 " Global DoFs : %" PetscInt_FMT "\n" 264 " Owned DoFs : %" PetscInt_FMT "\n" 265 " DoFs per node : %" PetscInt_FMT "\n" 266 " Global nodes : %" PetscInt_FMT "\n" 267 " Owned nodes : %" PetscInt_FMT "\n", 268 num_P, num_Q, glob_dofs, owned_dofs, num_comp_q, 269 glob_nodes, owned_nodes); CHKERRQ(ierr); 270 } 271 // -- Restore Q_loc 272 ierr = DMRestoreLocalVector(dm, &Q_loc); CHKERRQ(ierr); 273 274 // --------------------------------------------------------------------------- 275 // TS: Create, setup, and solve 276 // --------------------------------------------------------------------------- 277 TS ts; 278 PetscScalar final_time; 279 ierr = TSSolve_NS(dm, user, app_ctx, phys_ctx, &Q, &final_time, &ts); 280 CHKERRQ(ierr); 281 282 // --------------------------------------------------------------------------- 283 // Post-processing 284 // --------------------------------------------------------------------------- 285 ierr = PostProcess_NS(ts, ceed_data, dm, problem, user, Q, final_time); 286 CHKERRQ(ierr); 287 288 // --------------------------------------------------------------------------- 289 // Destroy libCEED objects 290 // --------------------------------------------------------------------------- 291 // -- Vectors 292 CeedVectorDestroy(&ceed_data->x_coord); 293 CeedVectorDestroy(&ceed_data->q_data); 294 CeedVectorDestroy(&user->q_ceed); 295 CeedVectorDestroy(&user->q_dot_ceed); 296 CeedVectorDestroy(&user->g_ceed); 297 298 // -- QFunctions 299 CeedQFunctionDestroy(&ceed_data->qf_setup_vol); 300 CeedQFunctionDestroy(&ceed_data->qf_ics); 301 CeedQFunctionDestroy(&ceed_data->qf_rhs_vol); 302 CeedQFunctionDestroy(&ceed_data->qf_ifunction_vol); 303 CeedQFunctionDestroy(&ceed_data->qf_setup_sur); 304 CeedQFunctionDestroy(&ceed_data->qf_apply_inflow); 305 CeedQFunctionDestroy(&ceed_data->qf_apply_outflow); 306 307 // -- Bases 308 CeedBasisDestroy(&ceed_data->basis_q); 309 CeedBasisDestroy(&ceed_data->basis_x); 310 CeedBasisDestroy(&ceed_data->basis_xc); 311 CeedBasisDestroy(&ceed_data->basis_q_sur); 312 CeedBasisDestroy(&ceed_data->basis_x_sur); 313 314 // -- Restrictions 315 CeedElemRestrictionDestroy(&ceed_data->elem_restr_q); 316 CeedElemRestrictionDestroy(&ceed_data->elem_restr_x); 317 CeedElemRestrictionDestroy(&ceed_data->elem_restr_qd_i); 318 319 // -- Operators 320 CeedOperatorDestroy(&ceed_data->op_setup_vol); 321 CeedOperatorDestroy(&ceed_data->op_ics); 322 CeedOperatorDestroy(&user->op_rhs_vol); 323 CeedOperatorDestroy(&user->op_ifunction_vol); 324 CeedOperatorDestroy(&user->op_rhs); 325 CeedOperatorDestroy(&user->op_ifunction); 326 327 // -- Ceed 328 CeedDestroy(&ceed); 329 330 // --------------------------------------------------------------------------- 331 // Clean up PETSc 332 // --------------------------------------------------------------------------- 333 // -- Vectors 334 ierr = VecDestroy(&Q); CHKERRQ(ierr); 335 ierr = VecDestroy(&user->M); CHKERRQ(ierr); 336 337 // -- Matrices 338 ierr = MatDestroy(&user->interp_viz); CHKERRQ(ierr); 339 340 // -- DM 341 ierr = DMDestroy(&dm); CHKERRQ(ierr); 342 ierr = DMDestroy(&user->dm_viz); CHKERRQ(ierr); 343 344 // -- TS 345 ierr = TSDestroy(&ts); CHKERRQ(ierr); 346 347 // -- Function list 348 ierr = PetscFunctionListDestroy(&app_ctx->problems); CHKERRQ(ierr); 349 350 ierr = PetscFree(problem->bc_ctx); CHKERRQ(ierr); 351 352 // -- Structs 353 ierr = PetscFree(units); CHKERRQ(ierr); 354 ierr = PetscFree(user); CHKERRQ(ierr); 355 ierr = PetscFree(problem); CHKERRQ(ierr); 356 ierr = PetscFree(bc); CHKERRQ(ierr); 357 ierr = PetscFree(phys_ctx); CHKERRQ(ierr); 358 ierr = PetscFree(app_ctx); CHKERRQ(ierr); 359 ierr = PetscFree(ceed_data); CHKERRQ(ierr); 360 361 return PetscFinalize(); 362 } 363