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 /// @file 9 /// Utility functions for setting up EULER_VORTEX 10 11 #include "../qfunctions/eulervortex.h" 12 13 #include <ceed.h> 14 #include <petscdm.h> 15 16 #include "../navierstokes.h" 17 #include "../qfunctions/setupgeo.h" 18 19 PetscErrorCode NS_EULER_VORTEX(ProblemData *problem, DM dm, void *ctx, SimpleBC bc) { 20 EulerTestType euler_test; 21 User user = *(User *)ctx; 22 StabilizationType stab; 23 MPI_Comm comm = user->comm; 24 Ceed ceed = user->ceed; 25 PetscBool implicit; 26 PetscBool has_curr_time = PETSC_TRUE; 27 PetscBool has_neumann = PETSC_TRUE; 28 EulerContext euler_ctx; 29 CeedQFunctionContext euler_context; 30 31 PetscFunctionBeginUser; 32 PetscCall(PetscCalloc1(1, &euler_ctx)); 33 34 // ------------------------------------------------------ 35 // SET UP DENSITY_CURRENT 36 // ------------------------------------------------------ 37 problem->dim = 3; 38 problem->q_data_size_vol = 10; 39 problem->q_data_size_sur = 10; 40 problem->setup_vol.qfunction = Setup; 41 problem->setup_vol.qfunction_loc = Setup_loc; 42 problem->setup_sur.qfunction = SetupBoundary; 43 problem->setup_sur.qfunction_loc = SetupBoundary_loc; 44 problem->ics.qfunction = ICsEuler; 45 problem->ics.qfunction_loc = ICsEuler_loc; 46 problem->apply_vol_rhs.qfunction = Euler; 47 problem->apply_vol_rhs.qfunction_loc = Euler_loc; 48 problem->apply_vol_ifunction.qfunction = IFunction_Euler; 49 problem->apply_vol_ifunction.qfunction_loc = IFunction_Euler_loc; 50 problem->apply_inflow.qfunction = TravelingVortex_Inflow; 51 problem->apply_inflow.qfunction_loc = TravelingVortex_Inflow_loc; 52 problem->apply_outflow.qfunction = Euler_Outflow; 53 problem->apply_outflow.qfunction_loc = Euler_Outflow_loc; 54 problem->non_zero_time = PETSC_TRUE; 55 problem->print_info = PRINT_EULER_VORTEX; 56 57 // ------------------------------------------------------ 58 // Create the libCEED context 59 // ------------------------------------------------------ 60 CeedScalar vortex_strength = 5.; // - 61 CeedScalar c_tau = 0.5; // - 62 // c_tau = 0.5 is reported as "optimal" in Hughes et al 2010 63 PetscReal center[3], // m 64 mean_velocity[3] = {1., 1., 0}; // m/s 65 PetscReal domain_min[3], domain_max[3], domain_size[3]; 66 PetscCall(DMGetBoundingBox(dm, domain_min, domain_max)); 67 for (PetscInt i = 0; i < 3; i++) domain_size[i] = domain_max[i] - domain_min[i]; 68 69 // ------------------------------------------------------ 70 // Create the PETSc context 71 // ------------------------------------------------------ 72 PetscScalar meter = 1e-2; // 1 meter in scaled length units 73 PetscScalar second = 1e-2; // 1 second in scaled time units 74 75 // ------------------------------------------------------ 76 // Command line Options 77 // ------------------------------------------------------ 78 PetscOptionsBegin(comm, NULL, "Options for EULER_VORTEX problem", NULL); 79 // -- Physics 80 PetscCall(PetscOptionsScalar("-vortex_strength", "Strength of Vortex", NULL, vortex_strength, &vortex_strength, NULL)); 81 PetscInt n = problem->dim; 82 PetscBool user_velocity; 83 PetscCall(PetscOptionsRealArray("-mean_velocity", "Background velocity vector", NULL, mean_velocity, &n, &user_velocity)); 84 for (PetscInt i = 0; i < 3; i++) center[i] = .5 * domain_size[i]; 85 n = problem->dim; 86 PetscCall(PetscOptionsRealArray("-center", "Location of vortex center", NULL, center, &n, NULL)); 87 PetscCall(PetscOptionsBool("-implicit", "Use implicit (IFunction) formulation", NULL, implicit = PETSC_FALSE, &implicit, NULL)); 88 PetscCall(PetscOptionsEnum("-euler_test", "Euler test option", NULL, EulerTestTypes, (PetscEnum)(euler_test = EULER_TEST_ISENTROPIC_VORTEX), 89 (PetscEnum *)&euler_test, NULL)); 90 PetscCall(PetscOptionsEnum("-stab", "Stabilization method", NULL, StabilizationTypes, (PetscEnum)(stab = STAB_NONE), (PetscEnum *)&stab, NULL)); 91 PetscCall(PetscOptionsScalar("-c_tau", "Stabilization constant", NULL, c_tau, &c_tau, NULL)); 92 // -- Units 93 PetscCall(PetscOptionsScalar("-units_meter", "1 meter in scaled length units", NULL, meter, &meter, NULL)); 94 meter = fabs(meter); 95 PetscCall(PetscOptionsScalar("-units_second", "1 second in scaled time units", NULL, second, &second, NULL)); 96 second = fabs(second); 97 98 // -- Warnings 99 if (stab == STAB_SUPG && !implicit) { 100 PetscCall(PetscPrintf(comm, "Warning! Use -stab supg only with -implicit\n")); 101 } 102 if (user_velocity && (euler_test == EULER_TEST_1 || euler_test == EULER_TEST_3)) { 103 PetscCall(PetscPrintf(comm, "Warning! Background velocity vector for -euler_test t1 and -euler_test t3 is (0,0,0)\n")); 104 } 105 106 PetscOptionsEnd(); 107 108 // ------------------------------------------------------ 109 // Set up the PETSc context 110 // ------------------------------------------------------ 111 user->units->meter = meter; 112 user->units->second = second; 113 114 // ------------------------------------------------------ 115 // Set up the libCEED context 116 // ------------------------------------------------------ 117 // -- Scale variables to desired units 118 for (PetscInt i = 0; i < 3; i++) { 119 center[i] *= meter; 120 domain_size[i] *= meter; 121 mean_velocity[i] *= (meter / second); 122 } 123 problem->dm_scale = meter; 124 125 // -- QFunction Context 126 user->phys->stab = stab; 127 user->phys->euler_test = euler_test; 128 user->phys->implicit = implicit; 129 user->phys->has_curr_time = has_curr_time; 130 user->phys->has_neumann = has_neumann; 131 euler_ctx->curr_time = 0.; 132 euler_ctx->implicit = implicit; 133 euler_ctx->euler_test = euler_test; 134 euler_ctx->center[0] = center[0]; 135 euler_ctx->center[1] = center[1]; 136 euler_ctx->center[2] = center[2]; 137 euler_ctx->vortex_strength = vortex_strength; 138 euler_ctx->c_tau = c_tau; 139 euler_ctx->mean_velocity[0] = mean_velocity[0]; 140 euler_ctx->mean_velocity[1] = mean_velocity[1]; 141 euler_ctx->mean_velocity[2] = mean_velocity[2]; 142 euler_ctx->stabilization = stab; 143 144 PetscCallCeed(ceed, CeedQFunctionContextCreate(user->ceed, &euler_context)); 145 PetscCallCeed(ceed, CeedQFunctionContextSetData(euler_context, CEED_MEM_HOST, CEED_USE_POINTER, sizeof(*euler_ctx), euler_ctx)); 146 PetscCallCeed(ceed, CeedQFunctionContextSetDataDestroy(euler_context, CEED_MEM_HOST, FreeContextPetsc)); 147 PetscCallCeed(ceed, CeedQFunctionContextRegisterDouble(euler_context, "solution time", offsetof(struct EulerContext_, curr_time), 1, 148 "Physical time of the solution")); 149 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_context, &problem->ics.qfunction_context)); 150 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_context, &problem->apply_vol_rhs.qfunction_context)); 151 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_context, &problem->apply_vol_ifunction.qfunction_context)); 152 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_context, &problem->apply_inflow.qfunction_context)); 153 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_context, &problem->apply_outflow.qfunction_context)); 154 PetscFunctionReturn(PETSC_SUCCESS); 155 } 156 157 PetscErrorCode PRINT_EULER_VORTEX(User user, ProblemData *problem, AppCtx app_ctx) { 158 MPI_Comm comm = user->comm; 159 Ceed ceed = user->ceed; 160 EulerContext euler_ctx; 161 162 PetscFunctionBeginUser; 163 PetscCallCeed(ceed, CeedQFunctionContextGetData(problem->ics.qfunction_context, CEED_MEM_HOST, &euler_ctx)); 164 PetscCall(PetscPrintf(comm, 165 " Problem:\n" 166 " Problem Name : %s\n" 167 " Test Case : %s\n" 168 " Background Velocity : %f,%f,%f\n" 169 " Stabilization : %s\n", 170 app_ctx->problem_name, EulerTestTypes[euler_ctx->euler_test], euler_ctx->mean_velocity[0], euler_ctx->mean_velocity[1], 171 euler_ctx->mean_velocity[2], StabilizationTypes[euler_ctx->stabilization])); 172 173 PetscCallCeed(ceed, CeedQFunctionContextRestoreData(problem->ics.qfunction_context, &euler_ctx)); 174 PetscFunctionReturn(PETSC_SUCCESS); 175 } 176