diff options
Diffstat (limited to 'ML_BSSN/src/ML_BSSN_boundary.cc')
| -rw-r--r-- | ML_BSSN/src/ML_BSSN_boundary.cc | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/ML_BSSN/src/ML_BSSN_boundary.cc b/ML_BSSN/src/ML_BSSN_boundary.cc new file mode 100644 index 0000000..48174eb --- /dev/null +++ b/ML_BSSN/src/ML_BSSN_boundary.cc @@ -0,0 +1,223 @@ +/* File produced by Kranc */ + +#define KRANC_C + +#include <assert.h> +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include "cctk.h" +#include "cctk_Arguments.h" +#include "cctk_Parameters.h" +#include "GenericFD.h" +#include "Differencing.h" +#include "loopcontrol.h" + +/* Define macros used in calculations */ +#define INITVALUE (42) +#define QAD(x) (SQR(SQR(x))) +#define INV(x) ((1.0) / (x)) +#define SQR(x) ((x) * (x)) +#define CUB(x) ((x) * (x) * (x)) + +extern "C" void ML_BSSN_boundary_SelectBCs(CCTK_ARGUMENTS) +{ + DECLARE_CCTK_ARGUMENTS; + DECLARE_CCTK_PARAMETERS; + + CCTK_INT ierr = 0; + ierr = Boundary_SelectGroupForBC(cctkGH, CCTK_ALL_FACES, GenericFD_GetBoundaryWidth(cctkGH), -1 /* no table */, "ML_BSSN::ML_curv","flat"); + if (ierr < 0) + CCTK_WARN(1, "Failed to register flat BC for ML_BSSN::ML_curv."); + ierr = Boundary_SelectGroupForBC(cctkGH, CCTK_ALL_FACES, GenericFD_GetBoundaryWidth(cctkGH), -1 /* no table */, "ML_BSSN::ML_dtlapse","flat"); + if (ierr < 0) + CCTK_WARN(1, "Failed to register flat BC for ML_BSSN::ML_dtlapse."); + ierr = Boundary_SelectGroupForBC(cctkGH, CCTK_ALL_FACES, GenericFD_GetBoundaryWidth(cctkGH), -1 /* no table */, "ML_BSSN::ML_dtshift","flat"); + if (ierr < 0) + CCTK_WARN(1, "Failed to register flat BC for ML_BSSN::ML_dtshift."); + ierr = Boundary_SelectGroupForBC(cctkGH, CCTK_ALL_FACES, GenericFD_GetBoundaryWidth(cctkGH), -1 /* no table */, "ML_BSSN::ML_Gamma","flat"); + if (ierr < 0) + CCTK_WARN(1, "Failed to register flat BC for ML_BSSN::ML_Gamma."); + ierr = Boundary_SelectGroupForBC(cctkGH, CCTK_ALL_FACES, GenericFD_GetBoundaryWidth(cctkGH), -1 /* no table */, "ML_BSSN::ML_lapse","flat"); + if (ierr < 0) + CCTK_WARN(1, "Failed to register flat BC for ML_BSSN::ML_lapse."); + ierr = Boundary_SelectGroupForBC(cctkGH, CCTK_ALL_FACES, GenericFD_GetBoundaryWidth(cctkGH), -1 /* no table */, "ML_BSSN::ML_log_confac","flat"); + if (ierr < 0) + CCTK_WARN(1, "Failed to register flat BC for ML_BSSN::ML_log_confac."); + ierr = Boundary_SelectGroupForBC(cctkGH, CCTK_ALL_FACES, GenericFD_GetBoundaryWidth(cctkGH), -1 /* no table */, "ML_BSSN::ML_metric","flat"); + if (ierr < 0) + CCTK_WARN(1, "Failed to register flat BC for ML_BSSN::ML_metric."); + ierr = Boundary_SelectGroupForBC(cctkGH, CCTK_ALL_FACES, GenericFD_GetBoundaryWidth(cctkGH), -1 /* no table */, "ML_BSSN::ML_shift","flat"); + if (ierr < 0) + CCTK_WARN(1, "Failed to register flat BC for ML_BSSN::ML_shift."); + ierr = Boundary_SelectGroupForBC(cctkGH, CCTK_ALL_FACES, GenericFD_GetBoundaryWidth(cctkGH), -1 /* no table */, "ML_BSSN::ML_trace_curv","flat"); + if (ierr < 0) + CCTK_WARN(1, "Failed to register flat BC for ML_BSSN::ML_trace_curv."); + return; +} + +static void ML_BSSN_boundary_Body(cGH const * restrict const cctkGH, int const dir, int const face, CCTK_REAL const normal[3], CCTK_REAL const tangentA[3], CCTK_REAL const tangentB[3], int const min[3], int const max[3], int const n_subblock_gfs, CCTK_REAL * restrict const subblock_gfs[]) +{ + DECLARE_CCTK_ARGUMENTS; + DECLARE_CCTK_PARAMETERS; + + + /* Declare finite differencing variables */ + + if (verbose > 1) + { + CCTK_VInfo(CCTK_THORNSTRING,"Entering ML_BSSN_boundary_Body"); + } + + if (cctk_iteration % ML_BSSN_boundary_calc_every != ML_BSSN_boundary_calc_offset) + { + return; + } + + const char *groups[] = {"ML_BSSN::ML_curv","ML_BSSN::ML_dtlapse","ML_BSSN::ML_dtshift","ML_BSSN::ML_Gamma","ML_BSSN::ML_lapse","ML_BSSN::ML_log_confac","ML_BSSN::ML_metric","ML_BSSN::ML_shift","ML_BSSN::ML_trace_curv"}; + GenericFD_AssertGroupStorage(cctkGH, "ML_BSSN_boundary", 9, groups); + + /* Include user-supplied include files */ + + /* Initialise finite differencing variables */ + ptrdiff_t const di = 1; + ptrdiff_t const dj = CCTK_GFINDEX3D(cctkGH,0,1,0) - CCTK_GFINDEX3D(cctkGH,0,0,0); + ptrdiff_t const dk = CCTK_GFINDEX3D(cctkGH,0,0,1) - CCTK_GFINDEX3D(cctkGH,0,0,0); + CCTK_REAL const dx = ToReal(CCTK_DELTA_SPACE(0)); + CCTK_REAL const dy = ToReal(CCTK_DELTA_SPACE(1)); + CCTK_REAL const dz = ToReal(CCTK_DELTA_SPACE(2)); + CCTK_REAL const dxi = INV(dx); + CCTK_REAL const dyi = INV(dy); + CCTK_REAL const dzi = INV(dz); + CCTK_REAL const khalf = 0.5; + CCTK_REAL const kthird = 1/3.0; + CCTK_REAL const ktwothird = 2.0/3.0; + CCTK_REAL const kfourthird = 4.0/3.0; + CCTK_REAL const keightthird = 8.0/3.0; + CCTK_REAL const hdxi = 0.5 * dxi; + CCTK_REAL const hdyi = 0.5 * dyi; + CCTK_REAL const hdzi = 0.5 * dzi; + + /* Initialize predefined quantities */ + CCTK_REAL const p1o12dx = 0.0833333333333333333333333333333*INV(dx); + CCTK_REAL const p1o12dy = 0.0833333333333333333333333333333*INV(dy); + CCTK_REAL const p1o12dz = 0.0833333333333333333333333333333*INV(dz); + CCTK_REAL const p1o144dxdy = 0.00694444444444444444444444444444*INV(dx)*INV(dy); + CCTK_REAL const p1o144dxdz = 0.00694444444444444444444444444444*INV(dx)*INV(dz); + CCTK_REAL const p1o144dydz = 0.00694444444444444444444444444444*INV(dy)*INV(dz); + CCTK_REAL const p1o24dx = 0.0416666666666666666666666666667*INV(dx); + CCTK_REAL const p1o24dy = 0.0416666666666666666666666666667*INV(dy); + CCTK_REAL const p1o24dz = 0.0416666666666666666666666666667*INV(dz); + CCTK_REAL const p1o64dx = 0.015625*INV(dx); + CCTK_REAL const p1o64dy = 0.015625*INV(dy); + CCTK_REAL const p1o64dz = 0.015625*INV(dz); + CCTK_REAL const p1odx = INV(dx); + CCTK_REAL const p1ody = INV(dy); + CCTK_REAL const p1odz = INV(dz); + CCTK_REAL const pm1o12dx2 = -0.0833333333333333333333333333333*INV(SQR(dx)); + CCTK_REAL const pm1o12dy2 = -0.0833333333333333333333333333333*INV(SQR(dy)); + CCTK_REAL const pm1o12dz2 = -0.0833333333333333333333333333333*INV(SQR(dz)); + + /* Loop over the grid points */ + #pragma omp parallel + LC_LOOP3 (ML_BSSN_boundary, + i,j,k, min[0],min[1],min[2], max[0],max[1],max[2], + cctk_lsh[0],cctk_lsh[1],cctk_lsh[2]) + { + ptrdiff_t const index = di*i + dj*j + dk*k; + + /* Assign local copies of grid functions */ + + /* Include user supplied include files */ + + /* Precompute derivatives */ + + /* Calculate temporaries and grid functions */ + CCTK_REAL phiL = IfThen(ToReal(conformalMethod),1,0); + + CCTK_REAL gt11L = 1; + + CCTK_REAL gt12L = 0; + + CCTK_REAL gt13L = 0; + + CCTK_REAL gt22L = 1; + + CCTK_REAL gt23L = 0; + + CCTK_REAL gt33L = 1; + + CCTK_REAL trKL = 0; + + CCTK_REAL At11L = 0; + + CCTK_REAL At12L = 0; + + CCTK_REAL At13L = 0; + + CCTK_REAL At22L = 0; + + CCTK_REAL At23L = 0; + + CCTK_REAL At33L = 0; + + CCTK_REAL Xt1L = 0; + + CCTK_REAL Xt2L = 0; + + CCTK_REAL Xt3L = 0; + + CCTK_REAL alphaL = 1; + + CCTK_REAL AL = 0; + + CCTK_REAL beta1L = 0; + + CCTK_REAL beta2L = 0; + + CCTK_REAL beta3L = 0; + + CCTK_REAL B1L = 0; + + CCTK_REAL B2L = 0; + + CCTK_REAL B3L = 0; + + + /* Copy local copies back to grid functions */ + A[index] = AL; + alpha[index] = alphaL; + At11[index] = At11L; + At12[index] = At12L; + At13[index] = At13L; + At22[index] = At22L; + At23[index] = At23L; + At33[index] = At33L; + B1[index] = B1L; + B2[index] = B2L; + B3[index] = B3L; + beta1[index] = beta1L; + beta2[index] = beta2L; + beta3[index] = beta3L; + gt11[index] = gt11L; + gt12[index] = gt12L; + gt13[index] = gt13L; + gt22[index] = gt22L; + gt23[index] = gt23L; + gt33[index] = gt33L; + phi[index] = phiL; + trK[index] = trKL; + Xt1[index] = Xt1L; + Xt2[index] = Xt2L; + Xt3[index] = Xt3L; + } + LC_ENDLOOP3 (ML_BSSN_boundary); +} + +extern "C" void ML_BSSN_boundary(CCTK_ARGUMENTS) +{ + DECLARE_CCTK_ARGUMENTS; + DECLARE_CCTK_PARAMETERS; + + GenericFD_LoopOverBoundaryWithGhosts(cctkGH, &ML_BSSN_boundary_Body); +} |