1a0154adeSJed Brown // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2a0154adeSJed Brown // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3a0154adeSJed Brown // 4a0154adeSJed Brown // SPDX-License-Identifier: BSD-2-Clause 5a0154adeSJed Brown // 6a0154adeSJed Brown // This file is part of CEED: http://github.com/ceed 7a0154adeSJed Brown 8a0154adeSJed Brown /** 9a0154adeSJed Brown @brief Ceed QFunction for applying the geometric data for the 3D Poisson 10a0154adeSJed Brown on a vector system with three components 11a0154adeSJed Brown operator 12a0154adeSJed Brown **/ 13a0154adeSJed Brown 14a0154adeSJed Brown #ifndef vectorpoisson3dapply_h 15a0154adeSJed Brown #define vectorpoisson3dapply_h 16a0154adeSJed Brown 17*c9c2c079SJeremy L Thompson #include <ceed.h> 18*c9c2c079SJeremy L Thompson 19a0154adeSJed Brown CEED_QFUNCTION(Vector3Poisson3DApply)(void *ctx, const CeedInt Q, 20a0154adeSJed Brown const CeedScalar *const *in, 21a0154adeSJed Brown CeedScalar *const *out) { 22a0154adeSJed Brown // *INDENT-OFF* 23a0154adeSJed Brown // in[0] is gradient u, shape [3, nc=3, Q] 24a0154adeSJed Brown // in[1] is quadrature data, size (6*Q) 25a0154adeSJed Brown const CeedScalar (*ug)[3][CEED_Q_VLA] = (const CeedScalar(*)[3][CEED_Q_VLA])in[0], 26a0154adeSJed Brown (*q_data)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[1]; 27a0154adeSJed Brown // out[0] is output to multiply against gradient v, shape [3, nc=3, Q] 28a0154adeSJed Brown CeedScalar (*vg)[3][CEED_Q_VLA] = (CeedScalar(*)[3][CEED_Q_VLA])out[0]; 29a0154adeSJed Brown // *INDENT-ON* 30a0154adeSJed Brown 31a0154adeSJed Brown const CeedInt dim = 3, num_comp = 3; 32a0154adeSJed Brown 33a0154adeSJed Brown // Quadrature point loop 34a0154adeSJed Brown CeedPragmaSIMD 35a0154adeSJed Brown for (CeedInt i=0; i<Q; i++) { 36a0154adeSJed Brown // Read qdata (dXdxdXdxT symmetric matrix) 37a0154adeSJed Brown // Stored in Voigt convention 38a0154adeSJed Brown // 0 5 4 39a0154adeSJed Brown // 5 1 3 40a0154adeSJed Brown // 4 3 2 41a0154adeSJed Brown // *INDENT-OFF* 42a0154adeSJed Brown const CeedScalar dXdxdXdxT[3][3] = {{q_data[0][i], 43a0154adeSJed Brown q_data[5][i], 44a0154adeSJed Brown q_data[4][i]}, 45a0154adeSJed Brown {q_data[5][i], 46a0154adeSJed Brown q_data[1][i], 47a0154adeSJed Brown q_data[3][i]}, 48a0154adeSJed Brown {q_data[4][i], 49a0154adeSJed Brown q_data[3][i], 50a0154adeSJed Brown q_data[2][i]} 51a0154adeSJed Brown }; 52a0154adeSJed Brown // *INDENT-ON* 53a0154adeSJed Brown 54a0154adeSJed Brown // Apply Poisson Operator 55a0154adeSJed Brown // j = direction of vg 56a0154adeSJed Brown for (CeedInt j=0; j<dim; j++) 57a0154adeSJed Brown for (CeedInt c=0; c<num_comp; c++) 58a0154adeSJed Brown vg[j][c][i] = (ug[0][c][i] * dXdxdXdxT[0][j] + 59a0154adeSJed Brown ug[1][c][i] * dXdxdXdxT[1][j] + 60a0154adeSJed Brown ug[2][c][i] * dXdxdXdxT[2][j]); 61a0154adeSJed Brown } // End of Quadrature Point Loop 62a0154adeSJed Brown 63a0154adeSJed Brown return CEED_ERROR_SUCCESS; 64a0154adeSJed Brown } 65a0154adeSJed Brown 66a0154adeSJed Brown #endif // vectorpoisson3dapply_h 67