1 // Copyright (c) 2017-2023, 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 #ifndef velocity_gradient_projection_h 9 #define velocity_gradient_projection_h 10 11 #include <ceed.h> 12 13 #include "newtonian_state.h" 14 #include "newtonian_types.h" 15 #include "utils.h" 16 17 CEED_QFUNCTION_HELPER int VelocityGradientProjectionRHS(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out, 18 StateVariable state_var) { 19 const CeedScalar(*q)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[0]; 20 const CeedScalar(*Grad_q)[5][CEED_Q_VLA] = (const CeedScalar(*)[5][CEED_Q_VLA])in[1]; 21 const CeedScalar(*q_data) = in[2]; 22 CeedScalar(*v)[CEED_Q_VLA] = (CeedScalar(*)[CEED_Q_VLA])out[0]; 23 24 NewtonianIdealGasContext context = (NewtonianIdealGasContext)ctx; 25 26 CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) { 27 const CeedScalar qi[5] = {q[0][i], q[1][i], q[2][i], q[3][i], q[4][i]}; 28 CeedScalar wdetJ, dXdx[3][3]; 29 QdataUnpack_3D(Q, i, q_data, &wdetJ, dXdx); 30 31 const State s = StateFromQ(context, qi, state_var); 32 State grad_s[3]; 33 for (CeedInt k = 0; k < 3; k++) { 34 CeedScalar dqi[5]; 35 for (CeedInt j = 0; j < 5; j++) { 36 dqi[j] = Grad_q[0][j][i] * dXdx[0][k] + Grad_q[1][j][i] * dXdx[1][k] + Grad_q[2][j][i] * dXdx[2][k]; 37 } 38 grad_s[k] = StateFromQ_fwd(context, s, dqi, state_var); 39 } 40 41 CeedScalar grad_velocity[3][3]; 42 VelocityGradient(grad_s, grad_velocity); 43 44 for (CeedInt j = 0; j < 3; j++) { 45 for (CeedInt k = 0; k < 3; k++) { 46 v[j * 3 + k][i] = wdetJ * grad_velocity[j][k]; 47 } 48 } 49 } 50 return 0; 51 } 52 53 CEED_QFUNCTION(VelocityGradientProjectionRHS_Conserv)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 54 return VelocityGradientProjectionRHS(ctx, Q, in, out, STATEVAR_CONSERVATIVE); 55 } 56 57 CEED_QFUNCTION(VelocityGradientProjectionRHS_Prim)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 58 return VelocityGradientProjectionRHS(ctx, Q, in, out, STATEVAR_PRIMITIVE); 59 } 60 #endif // velocity_gradient_projection_h 61