1 // Copyright (c) 2017, Lawrence Livermore National Security, LLC. Produced at 2 // the Lawrence Livermore National Laboratory. LLNL-CODE-734707. All Rights 3 // reserved. See files LICENSE and NOTICE for details. 4 // 5 // This file is part of CEED, a collection of benchmarks, miniapps, software 6 // libraries and APIs for efficient high-order finite element and spectral 7 // element discretizations for exascale applications. For more information and 8 // source code availability see http://github.com/ceed. 9 // 10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11 // a collaborative effort of two U.S. Department of Energy organizations (Office 12 // of Science and the National Nuclear Security Administration) responsible for 13 // the planning and preparation of a capable exascale ecosystem, including 14 // software, applications, hardware, advanced system engineering and early 15 // testbed platforms, in support of the nation's exascale computing imperative. 16 17 /// @file 18 /// Utility functions for setting up EULER_VORTEX 19 20 #include "../navierstokes.h" 21 #include "../qfunctions/setupgeo.h" 22 #include "../qfunctions/eulervortex.h" 23 24 PetscErrorCode NS_EULER_VORTEX(ProblemData *problem, DM dm, void *setup_ctx, 25 void *ctx) { 26 EulerTestType euler_test; 27 SetupContext setup_context = *(SetupContext *)setup_ctx; 28 User user = *(User *)ctx; 29 StabilizationType stab; 30 MPI_Comm comm = PETSC_COMM_WORLD; 31 PetscBool implicit; 32 PetscBool has_curr_time = PETSC_TRUE; 33 PetscBool has_neumann = PETSC_TRUE; 34 PetscInt ierr; 35 PetscFunctionBeginUser; 36 37 ierr = PetscCalloc1(1, &user->phys->euler_ctx); CHKERRQ(ierr); 38 39 // ------------------------------------------------------ 40 // SET UP DENSITY_CURRENT 41 // ------------------------------------------------------ 42 problem->dim = 3; 43 problem->q_data_size_vol = 10; 44 problem->q_data_size_sur = 4; 45 problem->setup_vol = Setup; 46 problem->setup_vol_loc = Setup_loc; 47 problem->setup_sur = SetupBoundary; 48 problem->setup_sur_loc = SetupBoundary_loc; 49 problem->ics = ICsEuler; 50 problem->ics_loc = ICsEuler_loc; 51 problem->apply_vol_rhs = Euler; 52 problem->apply_vol_rhs_loc = Euler_loc; 53 problem->apply_vol_ifunction = IFunction_Euler; 54 problem->apply_vol_ifunction_loc = IFunction_Euler_loc; 55 problem->apply_sur = Euler_Sur; 56 problem->apply_sur_loc = Euler_Sur_loc; 57 problem->bc = Exact_Euler; 58 problem->setup_ctx = SetupContext_EULER_VORTEX; 59 problem->bc_func = BC_EULER_VORTEX; 60 problem->non_zero_time = PETSC_TRUE; 61 problem->print_info = PRINT_EULER_VORTEX; 62 63 // ------------------------------------------------------ 64 // Create the libCEED context 65 // ------------------------------------------------------ 66 CeedScalar vortex_strength = 5.; // - 67 CeedScalar c_tau = 0.5; // - 68 // c_tau = 0.5 is reported as "optimal" in Hughes et al 2010 69 PetscReal center[3], // m 70 mean_velocity[3] = {1., 1., 0}; // m/s 71 PetscReal domain_min[3], domain_max[3], domain_size[3]; 72 ierr = DMGetBoundingBox(dm, domain_min, domain_max); CHKERRQ(ierr); 73 for (int i=0; i<3; i++) domain_size[i] = domain_max[i] - domain_min[i]; 74 75 // ------------------------------------------------------ 76 // Create the PETSc context 77 // ------------------------------------------------------ 78 PetscScalar meter = 1e-2; // 1 meter in scaled length units 79 PetscScalar second = 1e-2; // 1 second in scaled time units 80 81 // ------------------------------------------------------ 82 // Command line Options 83 // ------------------------------------------------------ 84 ierr = PetscOptionsBegin(comm, NULL, "Options for EULER_VORTEX problem", 85 NULL); CHKERRQ(ierr); 86 // -- Physics 87 ierr = PetscOptionsScalar("-vortex_strength", "Strength of Vortex", 88 NULL, vortex_strength, &vortex_strength, NULL); 89 CHKERRQ(ierr); 90 PetscInt n = problem->dim; 91 PetscBool user_velocity; 92 ierr = PetscOptionsRealArray("-mean_velocity", "Background velocity vector", 93 NULL, mean_velocity, &n, &user_velocity); 94 CHKERRQ(ierr); 95 for (int i=0; i<3; i++) center[i] = .5*domain_size[i]; 96 n = problem->dim; 97 ierr = PetscOptionsRealArray("-center", "Location of vortex center", 98 NULL, center, &n, NULL); CHKERRQ(ierr); 99 ierr = PetscOptionsBool("-implicit", "Use implicit (IFunction) formulation", 100 NULL, implicit=PETSC_FALSE, &implicit, NULL); 101 CHKERRQ(ierr); 102 ierr = PetscOptionsEnum("-euler_test", "Euler test option", NULL, 103 EulerTestTypes, (PetscEnum)(euler_test = EULER_TEST_ISENTROPIC_VORTEX), 104 (PetscEnum *)&euler_test, NULL); CHKERRQ(ierr); 105 ierr = PetscOptionsEnum("-stab", "Stabilization method", NULL, 106 StabilizationTypes, (PetscEnum)(stab = STAB_NONE), 107 (PetscEnum *)&stab, NULL); CHKERRQ(ierr); 108 ierr = PetscOptionsScalar("-c_tau", "Stabilization constant", 109 NULL, c_tau, &c_tau, NULL); CHKERRQ(ierr); 110 // -- Units 111 ierr = PetscOptionsScalar("-units_meter", "1 meter in scaled length units", 112 NULL, meter, &meter, NULL); CHKERRQ(ierr); 113 meter = fabs(meter); 114 ierr = PetscOptionsScalar("-units_second","1 second in scaled time units", 115 NULL, second, &second, NULL); CHKERRQ(ierr); 116 second = fabs(second); 117 118 // -- Warnings 119 if (stab == STAB_SUPG && !implicit) { 120 ierr = PetscPrintf(comm, 121 "Warning! Use -stab supg only with -implicit\n"); 122 CHKERRQ(ierr); 123 } 124 if (user_velocity && (euler_test == EULER_TEST_1 125 || euler_test == EULER_TEST_3)) { 126 ierr = PetscPrintf(comm, 127 "Warning! Background velocity vector for -euler_test t1 and -euler_test t3 is (0,0,0)\n"); 128 CHKERRQ(ierr); 129 } 130 131 ierr = PetscOptionsEnd(); CHKERRQ(ierr); 132 133 // ------------------------------------------------------ 134 // Set up the PETSc context 135 // ------------------------------------------------------ 136 user->units->meter = meter; 137 user->units->second = second; 138 139 // ------------------------------------------------------ 140 // Set up the libCEED context 141 // ------------------------------------------------------ 142 // -- Scale variables to desired units 143 for (int i=0; i<3; i++) { 144 center[i] *= meter; 145 domain_size[i] *= meter; 146 mean_velocity[i] *= (meter/second); 147 } 148 problem->dm_scale = meter; 149 150 // -- Setup Context 151 setup_context->lx = domain_size[0]; 152 setup_context->ly = domain_size[1]; 153 setup_context->lz = domain_size[2]; 154 setup_context->center[0] = center[0]; 155 setup_context->center[1] = center[1]; 156 setup_context->center[2] = center[2]; 157 setup_context->time = 0; 158 159 // -- QFunction Context 160 user->phys->stab = stab; 161 user->phys->euler_test = euler_test; 162 user->phys->implicit = implicit; 163 user->phys->has_curr_time = has_curr_time; 164 user->phys->has_neumann = has_neumann; 165 user->phys->euler_ctx->curr_time = 0.; 166 user->phys->euler_ctx->implicit = implicit; 167 user->phys->euler_ctx->euler_test = euler_test; 168 user->phys->euler_ctx->center[0] = center[0]; 169 user->phys->euler_ctx->center[1] = center[1]; 170 user->phys->euler_ctx->center[2] = center[2]; 171 user->phys->euler_ctx->vortex_strength = vortex_strength; 172 user->phys->euler_ctx->c_tau = c_tau; 173 user->phys->euler_ctx->mean_velocity[0] = mean_velocity[0]; 174 user->phys->euler_ctx->mean_velocity[1] = mean_velocity[1]; 175 user->phys->euler_ctx->mean_velocity[2] = mean_velocity[2]; 176 user->phys->euler_ctx->stabilization = stab; 177 178 PetscFunctionReturn(0); 179 } 180 181 PetscErrorCode SetupContext_EULER_VORTEX(Ceed ceed, CeedData ceed_data, 182 AppCtx app_ctx, SetupContext setup_ctx, Physics phys) { 183 PetscFunctionBeginUser; 184 185 CeedQFunctionContextCreate(ceed, &ceed_data->setup_context); 186 CeedQFunctionContextSetData(ceed_data->setup_context, CEED_MEM_HOST, 187 CEED_USE_POINTER, 188 sizeof(*setup_ctx), setup_ctx); 189 CeedQFunctionContextCreate(ceed, &ceed_data->euler_context); 190 CeedQFunctionContextSetData(ceed_data->euler_context, CEED_MEM_HOST, 191 CEED_USE_POINTER, 192 sizeof(*phys->euler_ctx), phys->euler_ctx); 193 if (ceed_data->qf_ics) 194 CeedQFunctionSetContext(ceed_data->qf_ics, ceed_data->euler_context); 195 if (ceed_data->qf_apply_sur) 196 CeedQFunctionSetContext(ceed_data->qf_apply_sur, ceed_data->euler_context); 197 if (ceed_data->qf_rhs_vol) 198 CeedQFunctionSetContext(ceed_data->qf_rhs_vol, ceed_data->euler_context); 199 if (ceed_data->qf_ifunction_vol) 200 CeedQFunctionSetContext(ceed_data->qf_ifunction_vol, ceed_data->euler_context); 201 202 PetscFunctionReturn(0); 203 } 204 205 PetscErrorCode BC_EULER_VORTEX(DM dm, SimpleBC bc, Physics phys, 206 void *setup_ctx) { 207 PetscErrorCode ierr; 208 PetscFunctionBeginUser; 209 210 // Define boundary conditions 211 bc->num_slip[2] = 2; bc->slips[2][0] = 1; bc->slips[2][1] = 2; 212 213 // Set boundary conditions 214 DMLabel label; 215 ierr = DMGetLabel(dm, "Face Sets", &label); CHKERRQ(ierr); 216 PetscInt comps[1] = {3}; 217 ierr = DMAddBoundary(dm, DM_BC_ESSENTIAL, "slipz", label, 218 bc->num_slip[2], bc->slips[2], 0, 1, comps, 219 (void(*)(void))NULL, NULL, setup_ctx, NULL); 220 CHKERRQ(ierr); 221 222 PetscFunctionReturn(0); 223 } 224 225 PetscErrorCode PRINT_EULER_VORTEX(Physics phys, SetupContext setup_ctx, 226 AppCtx app_ctx) { 227 MPI_Comm comm = PETSC_COMM_WORLD; 228 PetscErrorCode ierr; 229 PetscFunctionBeginUser; 230 231 ierr = PetscPrintf(comm, 232 " Problem:\n" 233 " Problem Name : %s\n" 234 " Test Case : %s\n" 235 " Background Velocity : %f,%f,%f\n" 236 " Stabilization : %s\n", 237 app_ctx->problem_name, EulerTestTypes[phys->euler_test], 238 phys->euler_ctx->mean_velocity[0], 239 phys->euler_ctx->mean_velocity[1], 240 phys->euler_ctx->mean_velocity[2], 241 StabilizationTypes[phys->stab]); CHKERRQ(ierr); 242 243 PetscFunctionReturn(0); 244 } 245