1 // Copyright (c) 2017-2026, 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="Newtonian and Riemann Solver Unit Tests",only="cpu") -ceed {ceed_resource} -test_type solver -options_file examples/fluids/gaussianwave.yaml -compare_final_state_atol 1e100 -compare_final_state_filename examples/fluids/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
22 //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
23 //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
24 //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
25 //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
26 //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
27 //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
28 //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
29 //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
30 //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
31 //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
32 //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
33 //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
34 //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
35 //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
36 //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
37 //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
38 //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
39 //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
40 //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
41 //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
42 //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
43 //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
44 //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
45 //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
46 //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
47 //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
48 //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
49
50 /// @file
51 /// Navier-Stokes example using PETSc
52
53 const char help[] = "Solve Navier-Stokes using PETSc and libCEED\n";
54
55 #include "navierstokes.h"
56 #include <petscdevice.h>
57
58 #include <ceed.h>
59 #include <petscdmplex.h>
60 #include <petscts.h>
61
main(int argc,char ** argv)62 int main(int argc, char **argv) {
63 // ---------------------------------------------------------------------------
64 // Initialize PETSc
65 // ---------------------------------------------------------------------------
66 PetscCall(PetscInitialize(&argc, &argv, NULL, help));
67
68 // ---------------------------------------------------------------------------
69 // Create structs
70 // ---------------------------------------------------------------------------
71 AppCtx app_ctx;
72 PetscCall(PetscCalloc1(1, &app_ctx));
73
74 ProblemData problem;
75 PetscCall(PetscCalloc1(1, &problem));
76
77 User user;
78 PetscCall(PetscCalloc1(1, &user));
79
80 CeedData ceed_data;
81 PetscCall(PetscCalloc1(1, &ceed_data));
82
83 SimpleBC bc;
84 PetscCall(PetscCalloc1(1, &bc));
85
86 Physics phys_ctx;
87 PetscCall(PetscCalloc1(1, &phys_ctx));
88
89 Units units;
90 PetscCall(PetscCalloc1(1, &units));
91
92 user->app_ctx = app_ctx;
93 user->units = units;
94 user->phys = phys_ctx;
95 problem->set_bc_from_ics = PETSC_TRUE;
96
97 PetscCall(RegisterLogEvents());
98
99 // ---------------------------------------------------------------------------
100 // Process command line options
101 // ---------------------------------------------------------------------------
102 // -- Register problems to be available on the command line
103 PetscCall(RegisterProblems_NS(app_ctx));
104
105 // -- Process general command line options
106 MPI_Comm comm = PETSC_COMM_WORLD;
107 user->comm = comm;
108 PetscCall(ProcessCommandLineOptions(comm, app_ctx, bc));
109 PetscCall(BoundaryConditionSetUp(user, problem, app_ctx, bc));
110
111 // ---------------------------------------------------------------------------
112 // Initialize libCEED
113 // ---------------------------------------------------------------------------
114 // -- Initialize backend
115 Ceed ceed;
116 PetscCheck(CeedInit(app_ctx->ceed_resource, &ceed) == CEED_ERROR_SUCCESS, comm, PETSC_ERR_LIB, "Ceed initialization failed");
117 user->ceed = ceed;
118
119 PetscCheck(CeedSetErrorHandler(ceed, CeedErrorStore) == CEED_ERROR_SUCCESS, comm, PETSC_ERR_LIB, "Setting libCEED error handler failed");
120
121 // -- Check preferred MemType
122 CeedMemType mem_type_backend;
123 PetscCallCeed(ceed, CeedGetPreferredMemType(ceed, &mem_type_backend));
124
125 {
126 const char *resource;
127 PetscCallCeed(ceed, CeedGetResource(ceed, &resource));
128 if (strstr(resource, "/gpu/sycl")) {
129 PetscDeviceContext dctx;
130 PetscCall(PetscDeviceContextGetCurrentContext(&dctx));
131 void *stream_handle;
132 PetscCall(PetscDeviceContextGetStreamHandle(dctx, &stream_handle));
133 PetscCallCeed(ceed, CeedSetStream(ceed, stream_handle));
134 }
135 }
136
137 // ---------------------------------------------------------------------------
138 // Set up global mesh
139 // ---------------------------------------------------------------------------
140 // -- Create DM
141 DM dm;
142 VecType vec_type = NULL;
143 MatType mat_type = NULL;
144 switch (mem_type_backend) {
145 case CEED_MEM_HOST:
146 vec_type = VECSTANDARD;
147 break;
148 case CEED_MEM_DEVICE: {
149 const char *resolved;
150 PetscCallCeed(ceed, CeedGetResource(ceed, &resolved));
151 if (strstr(resolved, "/gpu/cuda")) vec_type = VECCUDA;
152 else if (strstr(resolved, "/gpu/hip")) vec_type = VECKOKKOS;
153 else if (strstr(resolved, "/gpu/sycl")) vec_type = VECKOKKOS;
154 else vec_type = VECSTANDARD;
155 }
156 }
157 if (strstr(vec_type, VECCUDA)) mat_type = MATAIJCUSPARSE;
158 else if (strstr(vec_type, VECKOKKOS)) mat_type = MATAIJKOKKOS;
159 else mat_type = MATAIJ;
160 PetscCall(CreateDM(comm, problem, mat_type, vec_type, &dm));
161 user->dm = dm;
162 PetscCall(DMSetApplicationContext(dm, user));
163
164 // ---------------------------------------------------------------------------
165 // Choose the problem from the list of registered problems
166 // ---------------------------------------------------------------------------
167 {
168 PetscErrorCode (*p)(ProblemData, DM, void *, SimpleBC);
169 PetscCall(PetscFunctionListFind(app_ctx->problems, app_ctx->problem_name, &p));
170 PetscCheck(p, PETSC_COMM_SELF, 1, "Problem '%s' not found", app_ctx->problem_name);
171 PetscCall((*p)(problem, dm, &user, bc));
172 }
173
174 // -- Set up DM
175 PetscCall(SetUpDM(dm, problem, app_ctx->degree, app_ctx->q_extra, bc, phys_ctx));
176
177 // -- Refine DM for high-order viz
178 if (app_ctx->viz_refine) PetscCall(VizRefineDM(dm, user, problem, bc, phys_ctx));
179
180 // ---------------------------------------------------------------------------
181 // Create solution vectors
182 // ---------------------------------------------------------------------------
183 // -- Set up global state vector Q
184 Vec Q;
185 PetscCall(DMCreateGlobalVector(dm, &Q));
186 PetscCall(VecZeroEntries(Q));
187
188 // -- Set up local state vectors Q_loc, Q_dot_loc
189 PetscCall(DMCreateLocalVector(dm, &user->Q_loc));
190 PetscCall(DMCreateLocalVector(dm, &user->Q_dot_loc));
191 PetscCall(VecZeroEntries(user->Q_dot_loc));
192
193 // ---------------------------------------------------------------------------
194 // Set up libCEED
195 // ---------------------------------------------------------------------------
196 // -- Set up libCEED objects
197 PetscCall(SetupLibceed(ceed, ceed_data, dm, user, app_ctx, problem, bc));
198
199 // ---------------------------------------------------------------------------
200 // Set up ICs
201 // ---------------------------------------------------------------------------
202 // -- Fix multiplicity for ICs
203 PetscCall(ICs_FixMultiplicity(dm, ceed_data, user, user->Q_loc, Q, 0.0));
204
205 // ---------------------------------------------------------------------------
206 // Record boundary values from initial condition
207 // ---------------------------------------------------------------------------
208 // -- This overrides DMPlexInsertBoundaryValues().
209 // We use this for the main simulation DM because the reference DMPlexInsertBoundaryValues() is very slow on the GPU due to extra device-to-host
210 // communication. If we disable this, we should still get the same results due to the problem->bc function, but with potentially much slower
211 // execution.
212 if (problem->set_bc_from_ics) {
213 PetscCall(SetBCsFromICs(dm, Q, user->Q_loc));
214 }
215
216 // ---------------------------------------------------------------------------
217 // Create output directory
218 // ---------------------------------------------------------------------------
219 PetscMPIInt rank;
220 MPI_Comm_rank(comm, &rank);
221 if (!rank) {
222 PetscCall(PetscMkdir(app_ctx->output_dir));
223 }
224
225 // ---------------------------------------------------------------------------
226 // Gather initial Q values in case of continuation of simulation
227 // ---------------------------------------------------------------------------
228 // -- Set up initial values from binary file
229 if (app_ctx->cont_steps) {
230 PetscCall(SetupICsFromBinary(comm, app_ctx, Q));
231 }
232
233 // -- Zero Q_loc
234 PetscCall(VecZeroEntries(user->Q_loc));
235
236 // ---------------------------------------------------------------------------
237 // TS: Create, setup, and solve
238 // ---------------------------------------------------------------------------
239 TS ts;
240 PetscScalar final_time;
241 PetscCall(TSSolve_NS(dm, user, app_ctx, phys_ctx, problem, &Q, &final_time, &ts));
242
243 // ---------------------------------------------------------------------------
244 // Post-processing
245 // ---------------------------------------------------------------------------
246 PetscCall(PostProcess(ts, ceed_data, dm, problem, user, Q, final_time));
247
248 // ---------------------------------------------------------------------------
249 // Destroy libCEED objects
250 // ---------------------------------------------------------------------------
251
252 PetscCall(TurbulenceStatisticsDestroy(user, ceed_data));
253 PetscCall(NodalProjectionDataDestroy(user->grad_velo_proj));
254 PetscCall(DifferentialFilterDataDestroy(user->diff_filter));
255
256 // -- Vectors
257 PetscCallCeed(ceed, CeedVectorDestroy(&ceed_data->x_coord));
258 PetscCallCeed(ceed, CeedVectorDestroy(&ceed_data->q_data));
259 PetscCallCeed(ceed, CeedVectorDestroy(&user->q_ceed));
260 PetscCallCeed(ceed, CeedVectorDestroy(&user->q_dot_ceed));
261 PetscCallCeed(ceed, CeedVectorDestroy(&user->g_ceed));
262
263 // -- Bases
264 PetscCallCeed(ceed, CeedBasisDestroy(&ceed_data->basis_q));
265 PetscCallCeed(ceed, CeedBasisDestroy(&ceed_data->basis_x));
266
267 // -- Restrictions
268 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&ceed_data->elem_restr_q));
269 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&ceed_data->elem_restr_x));
270 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&ceed_data->elem_restr_qd_i));
271
272 // Destroy QFunction contexts after using
273 // ToDo: Simplify tracked libCEED objects, smaller struct
274 {
275 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_inflow.qfunction_context));
276 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_inflow_jacobian.qfunction_context));
277 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_outflow.qfunction_context));
278 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_outflow_jacobian.qfunction_context));
279 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_freestream.qfunction_context));
280 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_freestream_jacobian.qfunction_context));
281 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_slip.qfunction_context));
282 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_slip_jacobian.qfunction_context));
283 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->ics.qfunction_context));
284 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_vol_rhs.qfunction_context));
285 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_vol_ifunction.qfunction_context));
286 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_vol_ijacobian.qfunction_context));
287 }
288
289 // -- Operators
290 PetscCall(OperatorApplyContextDestroy(ceed_data->op_ics_ctx));
291 PetscCall(OperatorApplyContextDestroy(user->op_rhs_ctx));
292 PetscCall(OperatorApplyContextDestroy(user->op_strong_bc_ctx));
293 PetscCallCeed(ceed, CeedOperatorDestroy(&user->op_ifunction));
294
295 // -- Ceed
296 PetscCheck(CeedDestroy(&ceed) == CEED_ERROR_SUCCESS, comm, PETSC_ERR_LIB, "Destroying Ceed object failed");
297
298 if (app_ctx->test_type != TESTTYPE_NONE) {
299 PetscInt num_options_left = 0;
300 PetscCall(PetscOptionsLeftGet(NULL, &num_options_left, NULL, NULL));
301 PetscCheck(num_options_left == 0, PETSC_COMM_WORLD, -1,
302 "There are unused options. This is not allowed. See error message for the unused options (or use -options_left directly)");
303 }
304
305 // ---------------------------------------------------------------------------
306 // Clean up PETSc
307 // ---------------------------------------------------------------------------
308 // -- Vectors
309 PetscCall(VecDestroy(&Q));
310 PetscCall(VecDestroy(&user->Q_loc));
311 PetscCall(VecDestroy(&user->Q_dot_loc));
312
313 PetscCall(KSPDestroy(&user->mass_ksp));
314
315 // -- Matrices
316 PetscCall(MatDestroy(&user->interp_viz));
317 PetscCall(MatDestroy(&user->mat_ijacobian));
318
319 // -- DM
320 PetscCall(DMDestroy(&dm));
321 PetscCall(DMDestroy(&user->dm_viz));
322
323 // -- TS
324 PetscCall(TSDestroy(&ts));
325
326 // -- Function list
327 PetscCall(PetscFunctionListDestroy(&app_ctx->problems));
328
329 PetscCall(PetscFree(app_ctx->amat_type));
330 PetscCall(PetscFree(app_ctx->wall_forces.walls));
331 PetscCall(PetscViewerDestroy(&app_ctx->wall_forces.viewer));
332 PetscCall(PetscViewerDestroy(&app_ctx->turb_spanstats_viewer));
333
334 // -- Structs
335 for (PetscInt i = 0; i < problem->num_bc_defs; i++) {
336 PetscCall(BCDefinitionDestroy(&problem->bc_defs[i]));
337 }
338 PetscCall(PetscFree(problem->bc_defs));
339 PetscCall(PetscFree(units));
340 PetscCall(PetscFree(user));
341 PetscCall(PetscFree(problem));
342 PetscCall(PetscFree(bc));
343 PetscCall(PetscFree(phys_ctx));
344 PetscCall(PetscFree(app_ctx));
345 PetscCall(PetscFree(ceed_data));
346 PetscCall(PetscFree(problem));
347
348 return PetscFinalize();
349 }
350