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