xref: /honee/examples/navierstokes.c (revision b4fd18dfeb7fe20bc2ce09e18a422e556e44809a)
1 // SPDX-FileCopyrightText: Copyright (c) 2017-2024, HONEE contributors.
2 // SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause
3 
4 //                        libCEED + PETSc Example: Navier-Stokes
5 //
6 // This example demonstrates a simple usage of libCEED with PETSc to solve a Navier-Stokes problem.
7 //
8 // Build with:
9 //
10 //     make [PETSC_DIR=</path/to/petsc>] [CEED_DIR=</path/to/libceed>] navierstokes
11 //
12 // Sample runs:
13 //
14 //     ./navierstokes -ceed /cpu/self -options_file gaussianwave.yml
15 //     ./navierstokes -ceed /gpu/cuda -problem advection -degree 1
16 //
17 //TESTARGS(name="Flat Plate STG",only="cpu") -ceed {ceed_resource} -options_file examples/flatplate_STG.yaml -dm_plex_box_faces 3,63,3 -dm_plex_box_upper -3.082,2.4,.00726 -ts_max_steps 1 -test_type solver -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-flatplate-STG.bin
18 //TESTARGS(name="Advection 2D, boundary layer IC",only="cpu") -ceed {ceed_resource} -test_type solver -options_file examples/advection_bl.yaml -dm_plex_box_faces 3,3 -ts_max_steps 0 -bl_height_factor 0.5 -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-boundary-layer-ic.bin
19 //TESTARGS(name="Advection 2D, implicit square wave, direct div(F_diff)") -ceed {ceed_resource} -test_type solver -options_file examples/advection_wave.yaml -snes_mf -snes_fd -ts_type alpha -dm_plex_box_faces 5,5 -ts_max_steps 5 -diffusion_coeff 5e-3 -div_diff_flux_projection_method direct -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-wave-square-direct_divdiff.bin
20 //TESTARGS(name="Advection 2D, explicit square wave, indirect div(F_diff)") -ceed {ceed_resource} -test_type solver -options_file examples/advection_wave.yaml -ts_max_steps 5 -dm_plex_box_faces 5,5 -diffusion_coeff 1e-2 -Ctau_d 2 -div_diff_flux_projection_method indirect -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-wave-square-indirect_divdiff.bin
21 //TESTARGS(name="Advection 2D, sine wave IC",only="cpu") -ceed {ceed_resource} -test_type solver -options_file examples/advection_wave.yaml -ts_max_steps 0 -dm_plex_box_faces 3,3 -wave_type sine -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-wave-sine.bin
22 //TESTARGS(name="Newtonian and Riemann Solver Unit Tests",only="cpu") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 1e100 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-IDL-entropy.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 0 -newtonian_unit_tests -riemann_solver_unit_tests
23 //TESTARGS(name="Gaussian Wave, IDL and Entropy variables") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-IDL-entropy.bin -state_var entropy -dm_plex_box_faces 5,5,1 -ts_max_steps 5 -idl_decay_time 2e-3 -idl_length 0.25 -idl_start 0 -idl_pressure 70
24 //TESTARGS(name="Blasius, SGS DataDriven Sequential Torch",only="torch") -ceed {ceed_resource} -options_file tests/blasius_stgtest.yaml -sgs_model_type data_driven -sgs_model_dd_leakyrelu_alpha 0.3 -sgs_model_dd_parameter_dir examples/dd_sgs_data -ts_dt 2e-9 -state_var primitive -ksp_rtol 1e-12 -snes_rtol 1e-12 -stg_mean_only -stg_fluctuating_IC -test_type solver -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-sgs-data-driven.bin -sgs_model_dd_implementation sequential_torch -sgs_model_dd_torch_model_path ./tests/createPyTorchModel/NNModel_HIT_fp64_jit.pt
25 //TESTARGS(name="Blasius, SGS DataDriven Sequential Ceed") -ceed {ceed_resource} -options_file tests/blasius_stgtest.yaml -sgs_model_type data_driven -sgs_model_dd_leakyrelu_alpha 0.3 -sgs_model_dd_parameter_dir examples/dd_sgs_data -ts_dt 2e-9 -state_var primitive -ksp_rtol 1e-12 -snes_rtol 1e-12 -stg_mean_only -stg_fluctuating_IC -test_type solver -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-sgs-data-driven.bin -sgs_model_dd_implementation sequential_ceed
26 //TESTARGS(name="Gaussian Wave, explicit, supg, IDL") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 1e-8 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-explicit.bin -dm_plex_box_faces 2,2,1 -ts_max_steps 5 -degree 3 -implicit false -ts_type rk -stab supg -state_var conservative -mass_ksp_type gmres -mass_pc_jacobi_type diagonal -idl_decay_time 2e-3 -idl_length 0.25 -idl_start 0 -idl_pressure 70
27 //TESTARGS(name="Advection 2D, rotation, explicit, supg, consistent mass") -ceed {ceed_resource} -test_type solver -problem advection -degree 3 -dm_plex_box_faces 2,2 -dm_plex_box_lower 0,0 -dm_plex_box_upper 125,125 -bc_wall 1,2,3,4 -wall_comps 4 -units_kilogram 1e-9 -rc 100. -ts_dt 1e-3 -ts_max_steps 10 -stab supg -Ctaus 0.5 -mass_ksp_type gmres -mass_pc_type vpbjacobi -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-rotation-explicit-stab-supg-consistent-mass.bin
28 //TESTARGS(name="Advection, skew") -ceed {ceed_resource} -test_type solver -options_file examples/advection.yaml -ts_max_steps 5 -wind_type translation -wind_translation -0.5547002,0.83205029,0 -advection_ic_type skew  -dm_plex_box_faces 2,1,1 -degree 2 -stab supg -stab_tau advdiff_shakib -Ctau_a 4 -Ctau_d 0 -ksp_type gmres -diffusion_coeff 5e-4 -compare_final_state_atol 7e-10 -compare_final_state_filename tests/output/fluids-navierstokes-adv-skew.bin
29 //TESTARGS(name="Blasius, bc_slip, Indirect Diffusive Flux Projection") -ceed {ceed_resource} -test_type solver -options_file examples/blasius.yaml -ts_max_steps 5 -dm_plex_box_faces 3,20,1 -platemesh_nDelta 10 -platemesh_growth 1.2 -bc_outflow 5 -bc_slip 4 -compare_final_state_atol 2E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-bc_slip_indirect.bin -div_diff_flux_projection_method indirect
30 //TESTARGS(name="Blasius, bc_slip, Direct Diffusive Flux Projection") -ceed {ceed_resource} -test_type solver -options_file examples/blasius.yaml -ts_max_steps 5 -dm_plex_box_faces 3,20,1 -platemesh_nDelta 10 -platemesh_growth 1.2 -bc_outflow 5 -bc_slip 4 -compare_final_state_atol 2E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-bc_slip.bin -div_diff_flux_projection_method direct
31 //TESTARGS(name="Advection, rotation, cosine, direct div(F_diff)") -ceed {ceed_resource} -test_type solver -options_file examples/advection.yaml -ts_max_steps 5 -advection_ic_type cosine_hill -dm_plex_box_faces 2,2,1 -diffusion_coeff 5e-3 -div_diff_flux_projection_method direct -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-adv-rotation-cosine.bin
32 //TESTARGS(name="Gaussian Wave, using MatShell") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 1e-8 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-shell.bin -dm_plex_box_faces 2,2,1 -ts_max_steps 5 -degree 3 -amat_type shell -pc_type vpbjacobi -ts_alpha_radius 0.5
33 //TESTARGS(name="Taylor-Green Vortex IC") -ceed {ceed_resource} -problem taylor_green -test_type solver -dm_plex_dim 3 -dm_plex_box_faces 6,6,6 -ts_max_steps 0 -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-taylor-green-IC.bin
34 //TESTARGS(name="Blasius, SGS DataDriven Fused") -ceed {ceed_resource} -options_file tests/blasius_stgtest.yaml -sgs_model_type data_driven -sgs_model_dd_leakyrelu_alpha 0.3 -sgs_model_dd_parameter_dir examples/dd_sgs_data -ts_dt 2e-9 -state_var primitive -ksp_rtol 1e-12 -snes_rtol 1e-12 -stg_mean_only -stg_fluctuating_IC -test_type solver -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-sgs-data-driven.bin
35 //TESTARGS(name="Blasius, Anisotropic Differential Filter") -ceed {ceed_resource} -test_type diff_filter -options_file tests/blasius_test.yaml -compare_final_state_atol 5e-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_diff_filter_aniso_vandriest.bin -diff_filter_monitor -ts_max_steps 0 -state_var primitive -diff_filter_friction_length 1e-5 -diff_filter_wall_damping_function van_driest -diff_filter_ksp_rtol 1e-8 -diff_filter_grid_based_width -diff_filter_width_scaling 1,0.7,1
36 //TESTARGS(name="Blasius, Isotropic Differential Filter") -ceed {ceed_resource} -test_type diff_filter -options_file tests/blasius_test.yaml -compare_final_state_atol 2e-12 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_diff_filter_iso.bin -diff_filter_monitor -ts_max_steps 0 -diff_filter_width_scaling 4.2e-5,4.2e-5,4.2e-5 -diff_filter_ksp_atol 1e-14 -diff_filter_ksp_rtol 1e-16
37 //TESTARGS(name="Gaussian Wave, with IDL") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-IDL.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 5 -idl_decay_time 2e-3 -idl_length 0.25 -idl_start 0 -ts_alpha_radius 0.5 -idl_pressure 70
38 //TESTARGS(name="Spanwise Turbulence Statistics") -ceed {ceed_resource} -test_type turb_spanstats -options_file tests/stats_test.yaml -compare_final_state_atol 1E-11 -compare_final_state_filename tests/output/fluids-navierstokes-turb-spanstats-stats.bin
39 //TESTARGS(name="Blasius") -ceed {ceed_resource} -test_type solver -options_file tests/blasius_test.yaml -compare_final_state_atol 2E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius.bin
40 //TESTARGS(name="Blasius, STG Inflow") -ceed {ceed_resource} -test_type solver -options_file tests/blasius_stgtest.yaml -compare_final_state_atol 2E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_STG.bin
41 //TESTARGS(name="Blasius, STG Inflow, Weak Temperature") -ceed {ceed_resource} -test_type solver -options_file tests/blasius_stgtest.yaml -compare_final_state_atol 1E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_STG_weakT.bin -weakT
42 //TESTARGS(name="Blasius, Strong STG Inflow") -ceed {ceed_resource} -test_type solver -options_file tests/blasius_stgtest.yaml -compare_final_state_atol 1E-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_STG_strongBC.bin -stg_strong true
43 //TESTARGS(name="Channel") -ceed {ceed_resource} -test_type solver -options_file examples/channel.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename tests/output/fluids-navierstokes-channel.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 5
44 //TESTARGS(name="Channel, Primitive") -ceed {ceed_resource} -test_type solver -options_file examples/channel.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename tests/output/fluids-navierstokes-channel-prim.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 5 -state_var primitive
45 //TESTARGS(name="Density Current, explicit") -ceed {ceed_resource} -test_type solver -degree 3 -q_extra 2 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -bc_symmetry_x 5,6 -bc_symmetry_y 3,4 -bc_symmetry_z 1,2 -units_kilogram 1e-9 -center 62.5,62.5,187.5 -rc 100. -thetaC -35. -mu 75 -gravity 0,0,-9.81 -ts_dt 1e-3 -units_meter 1e-2 -units_second 1e-2 -ts_max_steps 10 -compare_final_state_atol 1E-11 -compare_final_state_filename tests/output/fluids-navierstokes-dc-explicit.bin
46 //TESTARGS(name="Density Current, implicit, no stabilization") -ceed {ceed_resource} -test_type solver -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -bc_symmetry_x 5,6 -bc_symmetry_y 3,4 -bc_symmetry_z 1,2 -units_kilogram 1e-9 -center 62.5,62.5,187.5 -rc 100. -thetaC -35. -mu 75 -gravity 0,0,-9.81 -units_meter 1e-2 -units_second 1e-2 -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -ts_type alpha -ts_max_steps 10 -compare_final_state_atol 5E-4 -compare_final_state_filename tests/output/fluids-navierstokes-dc-implicit-stab-none.bin
47 //TESTARGS(name="Advection, rotation, implicit, SUPG stabilization") -ceed {ceed_resource} -test_type solver -problem advection -CtauS .3 -stab supg -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -bc_wall 1,2,3,4,5,6 -wall_comps 4 -units_kilogram 1e-9 -rc 100. -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -dm_mat_preallocate_skip 0 -ts_type alpha -compare_final_state_atol 5E-4 -ts_max_steps 10 -compare_final_state_filename tests/output/fluids-navierstokes-adv-rotation-implicit-stab-supg.bin
48 //TESTARGS(name="Advection, translation, implicit, SU stabilization") -ceed {ceed_resource} -test_type solver -problem advection -CtauS .3 -stab su -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -units_kilogram 1e-9 -rc 100. -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -dm_mat_preallocate_skip 0 -ts_type alpha -wind_type translation -wind_translation .53,-1.33,-2.65 -bc_inflow 1,2,3,4,5,6 -ts_max_steps 10 -compare_final_state_atol 5E-4 -compare_final_state_filename tests/output/fluids-navierstokes-adv-translation-implicit-stab-su.bin
49 //TESTARGS(name="Advection 2D, rotation, explicit, strong form") -ceed {ceed_resource} -test_type solver -problem advection -strong_form 1 -degree 3 -dm_plex_box_faces 2,2 -dm_plex_box_lower 0,0 -dm_plex_box_upper 125,125 -bc_wall 1,2,3,4 -wall_comps 4 -units_kilogram 1e-9 -rc 100. -ts_dt 1e-3 -compare_final_state_atol 5E-11 -ts_max_steps 10 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-rotation-explicit-strong.bin
50 //TESTARGS(name="Advection 2D, rotation, implicit, SUPG stabilization") -ceed {ceed_resource} -test_type solver -problem advection -CtauS .3 -stab supg -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0 -dm_plex_box_upper 125,125 -bc_wall 1,2,3,4 -wall_comps 4 -units_kilogram 1e-9 -rc 100. -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -dm_mat_preallocate_skip 0 -ts_type alpha -ts_max_steps 10 -compare_final_state_atol 5E-4 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-rotation-implicit-stab-supg.bin
51 //TESTARGS(name="Euler, implicit") -ceed {ceed_resource} -test_type solver -problem euler_vortex -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -units_meter 1e-4 -units_second 1e-4 -mean_velocity 1.4,-2.,0 -bc_inflow 4,6 -bc_outflow 3,5 -bc_symmetry_z 1,2 -vortex_strength 2 -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -dm_mat_preallocate_skip 0 -ts_type alpha -ts_max_steps 10 -compare_final_state_atol 5E-4 -compare_final_state_filename tests/output/fluids-navierstokes-euler-implicit.bin
52 //TESTARGS(name="Euler, explicit") -ceed {ceed_resource} -test_type solver -problem euler_vortex -degree 3 -q_extra 2 -dm_plex_box_faces 2,2,1 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -units_meter 1e-4 -units_second 1e-4 -mean_velocity 1.4,-2.,0 -bc_inflow 4,6 -bc_outflow 3,5 -bc_symmetry_z 1,2 -vortex_strength 2 -ts_dt 1e-7 -ts_rk_type 5bs -ts_rtol 1e-10 -ts_atol 1e-10 -ts_max_steps 10 -compare_final_state_atol 1E-7 -compare_final_state_filename tests/output/fluids-navierstokes-euler-explicit.bin
53 //TESTARGS(name="Sod Shocktube, explicit, SU stabilization, y-z-beta shock capturing") -ceed {ceed_resource} -test_type solver -problem shocktube -degree 1 -q_extra 2 -dm_plex_box_faces 50,1,1 -units_meter 1e-2 units_second 1e-2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 1000,20,20 -dm_plex_dim 3 -bc_symmetry_x 5,6 -bc_symmetry_y 3,4 -bc_symmetry_z 1,2 -yzb -stab su -ts_max_steps 10 -compare_final_state_atol 1E-11 -compare_final_state_filename tests/output/fluids-navierstokes-shocktube-explicit-su-yzb.bin
54 
55 /// @file
56 /// Navier-Stokes example using PETSc
57 
58 const char help[] = "Solve Navier-Stokes using PETSc and libCEED\n";
59 
60 #include <navierstokes.h>
61 #include <petscdevice.h>
62 
63 #include <ceed.h>
64 #include <petscdmplex.h>
65 #include <petscts.h>
66 
67 int main(int argc, char **argv) {
68   // ---------------------------------------------------------------------------
69   // Initialize PETSc
70   // ---------------------------------------------------------------------------
71   PetscCall(PetscInitialize(&argc, &argv, NULL, help));
72 
73   // ---------------------------------------------------------------------------
74   // Create structs
75   // ---------------------------------------------------------------------------
76   AppCtx app_ctx;
77   PetscCall(PetscCalloc1(1, &app_ctx));
78 
79   ProblemData problem;
80   PetscCall(PetscCalloc1(1, &problem));
81 
82   Honee honee;
83   PetscCall(PetscCalloc1(1, &honee));
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   honee->app_ctx           = app_ctx;
95   honee->units             = units;
96   honee->phys              = phys_ctx;
97   problem->set_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   honee->comm   = comm;
110   PetscCall(ProcessCommandLineOptions(comm, app_ctx, bc));
111   PetscCall(BoundaryConditionSetUp(honee, problem, app_ctx, bc));
112 
113   // ---------------------------------------------------------------------------
114   // Initialize libCEED
115   // ---------------------------------------------------------------------------
116   // -- Initialize backend
117   Ceed ceed;
118   PetscCheck(CeedInit(app_ctx->ceed_resource, &ceed) == CEED_ERROR_SUCCESS, comm, PETSC_ERR_LIB, "Ceed initialization failed");
119   honee->ceed = ceed;
120 
121   PetscCheck(CeedSetErrorHandler(ceed, CeedErrorStore) == CEED_ERROR_SUCCESS, comm, PETSC_ERR_LIB, "Setting libCEED error handler failed");
122 
123   // -- Check preferred MemType
124   CeedMemType mem_type_backend;
125   PetscCallCeed(ceed, CeedGetPreferredMemType(ceed, &mem_type_backend));
126 
127   {
128     const char *resource;
129     PetscCallCeed(ceed, CeedGetResource(ceed, &resource));
130     if (strstr(resource, "/gpu/sycl")) {
131       PetscDeviceContext dctx;
132       PetscCall(PetscDeviceContextGetCurrentContext(&dctx));
133       void *stream_handle;
134       PetscCall(PetscDeviceContextGetStreamHandle(dctx, &stream_handle));
135       PetscCallCeed(ceed, CeedSetStream(ceed, stream_handle));
136     }
137   }
138 
139   // ---------------------------------------------------------------------------
140   // Set up global mesh
141   // ---------------------------------------------------------------------------
142   // -- Create DM
143   DM      dm;
144   VecType vec_type = NULL;
145   MatType mat_type = NULL;
146   switch (mem_type_backend) {
147     case CEED_MEM_HOST:
148       vec_type = VECSTANDARD;
149       break;
150     case CEED_MEM_DEVICE: {
151       const char *resolved;
152       PetscCallCeed(ceed, CeedGetResource(ceed, &resolved));
153       if (strstr(resolved, "/gpu/cuda")) vec_type = VECCUDA;
154       else if (strstr(resolved, "/gpu/hip")) vec_type = VECKOKKOS;
155       else if (strstr(resolved, "/gpu/sycl")) vec_type = VECKOKKOS;
156       else vec_type = VECSTANDARD;
157     }
158   }
159   if (strstr(vec_type, VECCUDA)) mat_type = MATAIJCUSPARSE;
160   else if (strstr(vec_type, VECKOKKOS)) mat_type = MATAIJKOKKOS;
161   else mat_type = MATAIJ;
162   PetscCall(CreateDM(comm, problem, mat_type, vec_type, &dm));
163   honee->dm = dm;
164   PetscCall(DMSetApplicationContext(dm, honee));
165 
166   // ---------------------------------------------------------------------------
167   // Choose the problem from the list of registered problems
168   // ---------------------------------------------------------------------------
169   {
170     PetscErrorCode (*p)(ProblemData, DM, void *, SimpleBC);
171     PetscCall(PetscFunctionListFind(app_ctx->problems, app_ctx->problem_name, &p));
172     PetscCheck(p, PETSC_COMM_SELF, 1, "Problem '%s' not found", app_ctx->problem_name);
173     PetscCall((*p)(problem, dm, &honee, bc));
174   }
175 
176   // -- Set up DM
177   PetscCall(SetUpDM(dm, problem, app_ctx->degree, app_ctx->q_extra, bc, phys_ctx));
178 
179   // -- Refine DM for high-order viz
180   if (app_ctx->viz_refine) PetscCall(VizRefineDM(dm, honee, problem, bc, phys_ctx));
181 
182   // ---------------------------------------------------------------------------
183   // Create solution vectors
184   // ---------------------------------------------------------------------------
185   // -- Set up global state vector Q
186   Vec Q;
187   PetscCall(DMCreateGlobalVector(dm, &Q));
188   PetscCall(VecZeroEntries(Q));
189 
190   // -- Set up local state vectors Q_loc, Q_dot_loc
191   PetscCall(DMCreateLocalVector(dm, &honee->Q_loc));
192   PetscCall(DMCreateLocalVector(dm, &honee->Q_dot_loc));
193   PetscCall(VecZeroEntries(honee->Q_dot_loc));
194 
195   // ---------------------------------------------------------------------------
196   // Set up libCEED
197   // ---------------------------------------------------------------------------
198   // -- Set up libCEED objects
199   PetscCall(SetupLibceed(ceed, dm, honee, app_ctx, problem, bc));
200 
201   // ---------------------------------------------------------------------------
202   // Set up ICs
203   // ---------------------------------------------------------------------------
204   // -- Fix multiplicity for ICs
205   PetscCall(ICs_FixMultiplicity(dm, honee, honee->Q_loc, Q, 0.0));
206 
207   // ---------------------------------------------------------------------------
208   // Record boundary values from initial condition
209   // ---------------------------------------------------------------------------
210   // -- This overrides DMPlexInsertBoundaryValues().
211   //    We use this for the main simulation DM because the reference DMPlexInsertBoundaryValues() is very slow on the GPU due to extra device-to-host
212   //    communication. If we disable this, we should still get the same results due to the problem->bc function, but with potentially much slower
213   //    execution.
214   if (problem->set_bc_from_ics) {
215     PetscCall(SetBCsFromICs(dm, Q, honee->Q_loc));
216   }
217 
218   // ---------------------------------------------------------------------------
219   // Create output directory
220   // ---------------------------------------------------------------------------
221   PetscMPIInt rank;
222   MPI_Comm_rank(comm, &rank);
223   if (!rank) {
224     PetscCall(PetscMkdir(app_ctx->output_dir));
225   }
226 
227   // ---------------------------------------------------------------------------
228   // Gather initial Q values in case of continuation of simulation
229   // ---------------------------------------------------------------------------
230   // -- Set up initial values from binary file
231   if (app_ctx->cont_steps) {
232     PetscViewer viewer;
233 
234     PetscCall(PetscViewerBinaryOpen(comm, app_ctx->cont_file, FILE_MODE_READ, &viewer));
235     PetscCall(HoneeLoadBinaryVec(viewer, Q, &app_ctx->cont_time, &app_ctx->cont_steps));
236     PetscCall(PetscViewerDestroy(&viewer));
237   }
238 
239   // -- Zero Q_loc
240   PetscCall(VecZeroEntries(honee->Q_loc));
241 
242   // ---------------------------------------------------------------------------
243   // TS: Create, setup, and solve
244   // ---------------------------------------------------------------------------
245   TS          ts;
246   PetscScalar final_time;
247   PetscCall(TSSolve_NS(dm, honee, app_ctx, phys_ctx, problem, &Q, &final_time, &ts));
248 
249   // ---------------------------------------------------------------------------
250   // Post-processing
251   // ---------------------------------------------------------------------------
252   PetscCall(PostProcess(ts, dm, problem, honee, Q, final_time));
253 
254   // ---------------------------------------------------------------------------
255   // Destroy libCEED objects
256   // ---------------------------------------------------------------------------
257 
258   PetscCall(TurbulenceStatisticsDestroy(honee));
259   PetscCall(NodalProjectionDataDestroy(honee->grad_velo_proj));
260   PetscCall(SgsDDDataDestroy(honee->sgs_dd_data));
261   PetscCall(DifferentialFilterDataDestroy(honee->diff_filter));
262   PetscCall(SGS_DD_TrainingDataDestroy(honee->sgs_dd_train));
263   PetscCall(SmartSimDataDestroy(honee->smartsim));
264   PetscCall(QDataClearStoredData());
265   PetscCall(DivDiffFluxProjectionDataDestroy(honee->diff_flux_proj));
266 
267   // -- Vectors
268   PetscCallCeed(ceed, CeedVectorDestroy(&honee->x_coord));
269   PetscCallCeed(ceed, CeedVectorDestroy(&honee->q_ceed));
270   PetscCallCeed(ceed, CeedVectorDestroy(&honee->q_dot_ceed));
271   PetscCallCeed(ceed, CeedVectorDestroy(&honee->g_ceed));
272 
273   // -- Bases
274   PetscCallCeed(ceed, CeedBasisDestroy(&honee->basis_q));
275   PetscCallCeed(ceed, CeedBasisDestroy(&honee->basis_x));
276 
277   // -- Restrictions
278   PetscCallCeed(ceed, CeedElemRestrictionDestroy(&honee->elem_restr_q));
279   PetscCallCeed(ceed, CeedElemRestrictionDestroy(&honee->elem_restr_x));
280 
281   // Destroy QFunction contexts after using
282   // ToDo: Simplify tracked libCEED objects, smaller struct
283   {
284     PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_inflow.qfctx));
285     PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_inflow_jacobian.qfctx));
286     PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_outflow.qfctx));
287     PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_outflow_jacobian.qfctx));
288     PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_freestream.qfctx));
289     PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_freestream_jacobian.qfctx));
290     PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_slip.qfctx));
291     PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_slip_jacobian.qfctx));
292     PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->ics.qfctx));
293     PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_vol_rhs.qfctx));
294     PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_vol_ifunction.qfctx));
295     PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_vol_ijacobian.qfctx));
296   }
297 
298   // -- Operators
299   PetscCall(OperatorApplyContextDestroy(honee->op_ics_ctx));
300   PetscCall(OperatorApplyContextDestroy(honee->op_rhs_ctx));
301   PetscCall(OperatorApplyContextDestroy(honee->op_strong_bc_ctx));
302   PetscCallCeed(ceed, CeedOperatorDestroy(&honee->op_ifunction));
303 
304   // -- Ceed
305   PetscCheck(CeedDestroy(&ceed) == CEED_ERROR_SUCCESS, comm, PETSC_ERR_LIB, "Destroying Ceed object failed");
306 
307   if (app_ctx->test_type != TESTTYPE_NONE) {
308     PetscInt num_options_left = 0;
309     PetscCall(PetscOptionsLeftGet(NULL, &num_options_left, NULL, NULL));
310     PetscCheck(num_options_left == 0, PETSC_COMM_WORLD, -1,
311                "There are unused options. This is not allowed. See error message for the unused options (or use -options_left directly)");
312   }
313 
314   // ---------------------------------------------------------------------------
315   // Clean up PETSc
316   // ---------------------------------------------------------------------------
317   // -- Vectors
318   PetscCall(VecDestroy(&Q));
319   PetscCall(VecDestroy(&honee->Q_loc));
320   PetscCall(VecDestroy(&honee->Q_dot_loc));
321 
322   PetscCall(KSPDestroy(&honee->mass_ksp));
323 
324   // -- Matrices
325   PetscCall(MatDestroy(&honee->interp_viz));
326   PetscCall(MatDestroy(&honee->mat_ijacobian));
327 
328   // -- DM
329   PetscCall(DMDestroy(&dm));
330   PetscCall(DMDestroy(&honee->dm_viz));
331 
332   // -- TS
333   PetscCall(TSDestroy(&ts));
334 
335   // -- Function list
336   PetscCall(PetscFunctionListDestroy(&app_ctx->problems));
337 
338   PetscCall(PetscFree(app_ctx->amat_type));
339   PetscCall(PetscFree(app_ctx->wall_forces.walls));
340   PetscCall(PetscViewerDestroy(&app_ctx->wall_forces.viewer));
341   PetscCall(PetscViewerDestroy(&app_ctx->turb_spanstats_viewer));
342 
343   // -- Structs
344   for (PetscInt i = 0; i < problem->num_bc_defs; i++) {
345     PetscCall(BCDefinitionDestroy(&problem->bc_defs[i]));
346   }
347   PetscCall(PetscFree(problem->bc_defs));
348   PetscCall(PetscFree(units));
349   PetscCall(PetscFree(honee));
350   PetscCall(PetscFree(problem));
351   PetscCall(PetscFree(bc));
352   PetscCall(PetscFree(phys_ctx));
353   PetscCall(PetscFree(app_ctx));
354   PetscCall(PetscFree(honee));
355   PetscCall(PetscFree(problem));
356 
357   return PetscFinalize();
358 }
359