// Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. // // SPDX-License-Identifier: BSD-2-Clause // // This file is part of CEED: http://github.com/ceed /// @file /// Utility functions for setting up EULER_VORTEX #include "../navierstokes.h" #include "../qfunctions/setupgeo.h" #include "../qfunctions/eulervortex.h" PetscErrorCode NS_EULER_VORTEX(ProblemData *problem, DM dm, void *ctx) { EulerTestType euler_test; User user = *(User *)ctx; StabilizationType stab; MPI_Comm comm = PETSC_COMM_WORLD; PetscBool implicit; PetscBool has_curr_time = PETSC_TRUE; PetscBool has_neumann = PETSC_TRUE; PetscInt ierr; EulerContext euler_ctx; CeedQFunctionContext euler_context; PetscFunctionBeginUser; ierr = PetscCalloc1(1, &euler_ctx); CHKERRQ(ierr); // ------------------------------------------------------ // SET UP DENSITY_CURRENT // ------------------------------------------------------ problem->dim = 3; problem->q_data_size_vol = 10; problem->q_data_size_sur = 10; problem->setup_vol.qfunction = Setup; problem->setup_vol.qfunction_loc = Setup_loc; problem->setup_sur.qfunction = SetupBoundary; problem->setup_sur.qfunction_loc = SetupBoundary_loc; problem->ics.qfunction = ICsEuler; problem->ics.qfunction_loc = ICsEuler_loc; problem->apply_vol_rhs.qfunction = Euler; problem->apply_vol_rhs.qfunction_loc = Euler_loc; problem->apply_vol_ifunction.qfunction = IFunction_Euler; problem->apply_vol_ifunction.qfunction_loc = IFunction_Euler_loc; problem->apply_inflow.qfunction = TravelingVortex_Inflow; problem->apply_inflow.qfunction_loc = TravelingVortex_Inflow_loc; problem->apply_outflow.qfunction = Euler_Outflow; problem->apply_outflow.qfunction_loc = Euler_Outflow_loc; problem->bc = Exact_Euler; problem->bc_ctx = euler_ctx; problem->non_zero_time = PETSC_TRUE; problem->print_info = PRINT_EULER_VORTEX; // ------------------------------------------------------ // Create the libCEED context // ------------------------------------------------------ CeedScalar vortex_strength = 5.; // - CeedScalar c_tau = 0.5; // - // c_tau = 0.5 is reported as "optimal" in Hughes et al 2010 PetscReal center[3], // m mean_velocity[3] = {1., 1., 0}; // m/s PetscReal domain_min[3], domain_max[3], domain_size[3]; ierr = DMGetBoundingBox(dm, domain_min, domain_max); CHKERRQ(ierr); for (PetscInt i=0; i<3; i++) domain_size[i] = domain_max[i] - domain_min[i]; // ------------------------------------------------------ // Create the PETSc context // ------------------------------------------------------ PetscScalar meter = 1e-2; // 1 meter in scaled length units PetscScalar second = 1e-2; // 1 second in scaled time units // ------------------------------------------------------ // Command line Options // ------------------------------------------------------ PetscOptionsBegin(comm, NULL, "Options for EULER_VORTEX problem", NULL); // -- Physics ierr = PetscOptionsScalar("-vortex_strength", "Strength of Vortex", NULL, vortex_strength, &vortex_strength, NULL); CHKERRQ(ierr); PetscInt n = problem->dim; PetscBool user_velocity; ierr = PetscOptionsRealArray("-mean_velocity", "Background velocity vector", NULL, mean_velocity, &n, &user_velocity); CHKERRQ(ierr); for (PetscInt i=0; i<3; i++) center[i] = .5*domain_size[i]; n = problem->dim; ierr = PetscOptionsRealArray("-center", "Location of vortex center", NULL, center, &n, NULL); CHKERRQ(ierr); ierr = PetscOptionsBool("-implicit", "Use implicit (IFunction) formulation", NULL, implicit=PETSC_FALSE, &implicit, NULL); CHKERRQ(ierr); ierr = PetscOptionsEnum("-euler_test", "Euler test option", NULL, EulerTestTypes, (PetscEnum)(euler_test = EULER_TEST_ISENTROPIC_VORTEX), (PetscEnum *)&euler_test, NULL); CHKERRQ(ierr); ierr = PetscOptionsEnum("-stab", "Stabilization method", NULL, StabilizationTypes, (PetscEnum)(stab = STAB_NONE), (PetscEnum *)&stab, NULL); CHKERRQ(ierr); ierr = PetscOptionsScalar("-c_tau", "Stabilization constant", NULL, c_tau, &c_tau, NULL); CHKERRQ(ierr); // -- Units ierr = PetscOptionsScalar("-units_meter", "1 meter in scaled length units", NULL, meter, &meter, NULL); CHKERRQ(ierr); meter = fabs(meter); ierr = PetscOptionsScalar("-units_second","1 second in scaled time units", NULL, second, &second, NULL); CHKERRQ(ierr); second = fabs(second); // -- Warnings if (stab == STAB_SUPG && !implicit) { ierr = PetscPrintf(comm, "Warning! Use -stab supg only with -implicit\n"); CHKERRQ(ierr); } if (user_velocity && (euler_test == EULER_TEST_1 || euler_test == EULER_TEST_3)) { ierr = PetscPrintf(comm, "Warning! Background velocity vector for -euler_test t1 and -euler_test t3 is (0,0,0)\n"); CHKERRQ(ierr); } PetscOptionsEnd(); // ------------------------------------------------------ // Set up the PETSc context // ------------------------------------------------------ user->units->meter = meter; user->units->second = second; // ------------------------------------------------------ // Set up the libCEED context // ------------------------------------------------------ // -- Scale variables to desired units for (PetscInt i=0; i<3; i++) { center[i] *= meter; domain_size[i] *= meter; mean_velocity[i] *= (meter/second); } problem->dm_scale = meter; // -- QFunction Context user->phys->stab = stab; user->phys->euler_test = euler_test; user->phys->implicit = implicit; user->phys->has_curr_time = has_curr_time; user->phys->has_neumann = has_neumann; euler_ctx->curr_time = 0.; euler_ctx->implicit = implicit; euler_ctx->euler_test = euler_test; euler_ctx->center[0] = center[0]; euler_ctx->center[1] = center[1]; euler_ctx->center[2] = center[2]; euler_ctx->vortex_strength = vortex_strength; euler_ctx->c_tau = c_tau; euler_ctx->mean_velocity[0] = mean_velocity[0]; euler_ctx->mean_velocity[1] = mean_velocity[1]; euler_ctx->mean_velocity[2] = mean_velocity[2]; euler_ctx->stabilization = stab; CeedQFunctionContextCreate(user->ceed, &euler_context); CeedQFunctionContextSetData(euler_context, CEED_MEM_HOST, CEED_USE_POINTER, sizeof(*euler_ctx), euler_ctx); CeedQFunctionContextSetDataDestroy(euler_context, CEED_MEM_HOST, FreeContextPetsc); CeedQFunctionContextRegisterDouble(euler_context, "solution time", offsetof(struct EulerContext_, curr_time), 1, "Physical time of the solution"); CeedQFunctionContextReferenceCopy(euler_context, &problem->ics.qfunction_context); CeedQFunctionContextReferenceCopy(euler_context, &problem->apply_vol_rhs.qfunction_context); CeedQFunctionContextReferenceCopy(euler_context, &problem->apply_vol_ifunction.qfunction_context); CeedQFunctionContextReferenceCopy(euler_context, &problem->apply_inflow.qfunction_context); CeedQFunctionContextReferenceCopy(euler_context, &problem->apply_outflow.qfunction_context); PetscFunctionReturn(0); } PetscErrorCode PRINT_EULER_VORTEX(ProblemData *problem, AppCtx app_ctx) { MPI_Comm comm = PETSC_COMM_WORLD; PetscErrorCode ierr; EulerContext euler_ctx; PetscFunctionBeginUser; CeedQFunctionContextGetData(problem->ics.qfunction_context, CEED_MEM_HOST, &euler_ctx); ierr = PetscPrintf(comm, " Problem:\n" " Problem Name : %s\n" " Test Case : %s\n" " Background Velocity : %f,%f,%f\n" " Stabilization : %s\n", app_ctx->problem_name, EulerTestTypes[euler_ctx->euler_test], euler_ctx->mean_velocity[0], euler_ctx->mean_velocity[1], euler_ctx->mean_velocity[2], StabilizationTypes[euler_ctx->stabilization]); CHKERRQ(ierr); CeedQFunctionContextRestoreData(problem->ics.qfunction_context, &euler_ctx); PetscFunctionReturn(0); }