1 // Copyright (c) 2017-2024, 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 /// QFunctions for the `bc_slip` boundary conditions 10 #include "bc_freestream_type.h" 11 #include "newtonian_state.h" 12 #include "newtonian_types.h" 13 #include "riemann_solver.h" 14 15 CEED_QFUNCTION_HELPER int Slip(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out, StateVariable state_var) { 16 const NewtonianIdealGasContext newt_ctx = (const NewtonianIdealGasContext)ctx; 17 const CeedScalar(*q)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[0]; 18 const CeedScalar(*q_data_sur) = in[2]; 19 CeedScalar(*v)[CEED_Q_VLA] = (CeedScalar(*)[CEED_Q_VLA])out[0]; 20 CeedScalar(*jac_data_sur) = newt_ctx->is_implicit ? out[1] : NULL; 21 22 CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) { 23 const CeedScalar qi[5] = {q[0][i], q[1][i], q[2][i], q[3][i], q[4][i]}; 24 State s = StateFromQ(newt_ctx, qi, state_var); 25 26 CeedScalar wdetJb, norm[3]; 27 QdataBoundaryUnpack_3D(Q, i, q_data_sur, &wdetJb, NULL, norm); 28 wdetJb *= newt_ctx->is_implicit ? -1. : 1.; 29 30 CeedScalar vel_reflect[3]; 31 const CeedScalar vel_normal = Dot3(s.Y.velocity, norm); 32 for (CeedInt j = 0; j < 3; j++) vel_reflect[j] = s.Y.velocity[j] - 2. * norm[j] * vel_normal; 33 const CeedScalar Y_reflect[5] = {s.Y.pressure, vel_reflect[0], vel_reflect[1], vel_reflect[2], s.Y.temperature}; 34 State s_reflect = StateFromY(newt_ctx, Y_reflect); 35 36 StateConservative flux = RiemannFlux_HLLC(newt_ctx, s, s_reflect, norm); 37 38 CeedScalar Flux[5]; 39 UnpackState_U(flux, Flux); 40 for (CeedInt j = 0; j < 5; j++) v[j][i] = -wdetJb * Flux[j]; 41 42 if (newt_ctx->is_implicit) { 43 CeedScalar zeros[6] = {0.}; 44 StoredValuesPack(Q, i, 0, 5, qi, jac_data_sur); 45 StoredValuesPack(Q, i, 5, 6, zeros, jac_data_sur); // Every output value must be set 46 } 47 } 48 return 0; 49 } 50 51 CEED_QFUNCTION(Slip_Conserv)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 52 return Slip(ctx, Q, in, out, STATEVAR_CONSERVATIVE); 53 } 54 55 CEED_QFUNCTION(Slip_Prim)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 56 return Slip(ctx, Q, in, out, STATEVAR_PRIMITIVE); 57 } 58 59 CEED_QFUNCTION_HELPER int Slip_Jacobian(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out, StateVariable state_var) { 60 const CeedScalar(*dq)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[0]; 61 const CeedScalar(*q_data_sur) = in[2]; 62 const CeedScalar(*jac_data_sur) = in[4]; 63 64 CeedScalar(*v)[CEED_Q_VLA] = (CeedScalar(*)[CEED_Q_VLA])out[0]; 65 66 const NewtonianIdealGasContext newt_ctx = (const NewtonianIdealGasContext)ctx; 67 68 CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) { 69 CeedScalar wdetJb, norm[3]; 70 QdataBoundaryUnpack_3D(Q, i, q_data_sur, &wdetJb, NULL, norm); 71 wdetJb *= newt_ctx->is_implicit ? -1. : 1.; 72 73 CeedScalar qi[5], dqi[5]; 74 StoredValuesUnpack(Q, i, 0, 5, jac_data_sur, qi); 75 for (int j = 0; j < 5; j++) dqi[j] = dq[j][i]; 76 State s = StateFromQ(newt_ctx, qi, state_var); 77 State ds = StateFromQ_fwd(newt_ctx, s, dqi, state_var); 78 79 CeedScalar vel_reflect[3]; 80 const CeedScalar vel_normal = Dot3(s.Y.velocity, norm); 81 for (CeedInt j = 0; j < 3; j++) vel_reflect[j] = s.Y.velocity[j] - 2. * norm[j] * vel_normal; 82 const CeedScalar Y_reflect[5] = {s.Y.pressure, vel_reflect[0], vel_reflect[1], vel_reflect[2], s.Y.temperature}; 83 State s_reflect = StateFromY(newt_ctx, Y_reflect); 84 85 CeedScalar dvel_reflect[3]; 86 const CeedScalar dvel_normal = Dot3(ds.Y.velocity, norm); 87 for (CeedInt j = 0; j < 3; j++) dvel_reflect[j] = ds.Y.velocity[j] - 2. * norm[j] * dvel_normal; 88 const CeedScalar dY_reflect[5] = {ds.Y.pressure, dvel_reflect[0], dvel_reflect[1], dvel_reflect[2], ds.Y.temperature}; 89 State ds_reflect = StateFromY_fwd(newt_ctx, s_reflect, dY_reflect); 90 91 StateConservative dflux = RiemannFlux_HLLC_fwd(newt_ctx, s, ds, s_reflect, ds_reflect, norm); 92 93 CeedScalar dFlux[5]; 94 UnpackState_U(dflux, dFlux); 95 for (CeedInt j = 0; j < 5; j++) v[j][i] = -wdetJb * dFlux[j]; 96 } 97 return 0; 98 } 99 100 CEED_QFUNCTION(Slip_Jacobian_Conserv)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 101 return Slip_Jacobian(ctx, Q, in, out, STATEVAR_CONSERVATIVE); 102 } 103 104 CEED_QFUNCTION(Slip_Jacobian_Prim)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 105 return Slip_Jacobian(ctx, Q, in, out, STATEVAR_PRIMITIVE); 106 } 107