diff options
Diffstat (limited to 'ML_BSSN/src/ML_BSSN_convertToADMBaseDtLapseShift.cc')
| -rw-r--r-- | ML_BSSN/src/ML_BSSN_convertToADMBaseDtLapseShift.cc | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/ML_BSSN/src/ML_BSSN_convertToADMBaseDtLapseShift.cc b/ML_BSSN/src/ML_BSSN_convertToADMBaseDtLapseShift.cc new file mode 100644 index 0000000..710c96b --- /dev/null +++ b/ML_BSSN/src/ML_BSSN_convertToADMBaseDtLapseShift.cc @@ -0,0 +1,207 @@ +/* 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_convertToADMBaseDtLapseShift_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 */, "ADMBase::dtlapse","flat"); + if (ierr < 0) + CCTK_WARN(1, "Failed to register flat BC for ADMBase::dtlapse."); + ierr = Boundary_SelectGroupForBC(cctkGH, CCTK_ALL_FACES, GenericFD_GetBoundaryWidth(cctkGH), -1 /* no table */, "ADMBase::dtshift","flat"); + if (ierr < 0) + CCTK_WARN(1, "Failed to register flat BC for ADMBase::dtshift."); + return; +} + +static void ML_BSSN_convertToADMBaseDtLapseShift_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_convertToADMBaseDtLapseShift_Body"); + } + + if (cctk_iteration % ML_BSSN_convertToADMBaseDtLapseShift_calc_every != ML_BSSN_convertToADMBaseDtLapseShift_calc_offset) + { + return; + } + + const char *groups[] = {"ADMBase::dtlapse","ADMBase::dtshift","grid::coordinates","Grid::coordinates","ML_BSSN::ML_dtlapse","ML_BSSN::ML_dtshift","ML_BSSN::ML_Gamma","ML_BSSN::ML_lapse","ML_BSSN::ML_shift","ML_BSSN::ML_trace_curv"}; + GenericFD_AssertGroupStorage(cctkGH, "ML_BSSN_convertToADMBaseDtLapseShift", 10, 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_convertToADMBaseDtLapseShift, + 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 */ + CCTK_REAL AL = A[index]; + CCTK_REAL alphaL = alpha[index]; + CCTK_REAL B1L = B1[index]; + CCTK_REAL B2L = B2[index]; + CCTK_REAL B3L = B3[index]; + CCTK_REAL beta1L = beta1[index]; + CCTK_REAL beta2L = beta2[index]; + CCTK_REAL beta3L = beta3[index]; + CCTK_REAL rL = r[index]; + CCTK_REAL trKL = trK[index]; + CCTK_REAL Xt1L = Xt1[index]; + CCTK_REAL Xt2L = Xt2[index]; + CCTK_REAL Xt3L = Xt3[index]; + + /* Include user supplied include files */ + + /* Precompute derivatives */ + CCTK_REAL const PDupwindNthAnti1alpha = PDupwindNthAnti1(&alpha[index]); + CCTK_REAL const PDupwindNthSymm1alpha = PDupwindNthSymm1(&alpha[index]); + CCTK_REAL const PDupwindNthAnti2alpha = PDupwindNthAnti2(&alpha[index]); + CCTK_REAL const PDupwindNthSymm2alpha = PDupwindNthSymm2(&alpha[index]); + CCTK_REAL const PDupwindNthAnti3alpha = PDupwindNthAnti3(&alpha[index]); + CCTK_REAL const PDupwindNthSymm3alpha = PDupwindNthSymm3(&alpha[index]); + CCTK_REAL const PDupwindNthAnti1beta1 = PDupwindNthAnti1(&beta1[index]); + CCTK_REAL const PDupwindNthSymm1beta1 = PDupwindNthSymm1(&beta1[index]); + CCTK_REAL const PDupwindNthAnti2beta1 = PDupwindNthAnti2(&beta1[index]); + CCTK_REAL const PDupwindNthSymm2beta1 = PDupwindNthSymm2(&beta1[index]); + CCTK_REAL const PDupwindNthAnti3beta1 = PDupwindNthAnti3(&beta1[index]); + CCTK_REAL const PDupwindNthSymm3beta1 = PDupwindNthSymm3(&beta1[index]); + CCTK_REAL const PDupwindNthAnti1beta2 = PDupwindNthAnti1(&beta2[index]); + CCTK_REAL const PDupwindNthSymm1beta2 = PDupwindNthSymm1(&beta2[index]); + CCTK_REAL const PDupwindNthAnti2beta2 = PDupwindNthAnti2(&beta2[index]); + CCTK_REAL const PDupwindNthSymm2beta2 = PDupwindNthSymm2(&beta2[index]); + CCTK_REAL const PDupwindNthAnti3beta2 = PDupwindNthAnti3(&beta2[index]); + CCTK_REAL const PDupwindNthSymm3beta2 = PDupwindNthSymm3(&beta2[index]); + CCTK_REAL const PDupwindNthAnti1beta3 = PDupwindNthAnti1(&beta3[index]); + CCTK_REAL const PDupwindNthSymm1beta3 = PDupwindNthSymm1(&beta3[index]); + CCTK_REAL const PDupwindNthAnti2beta3 = PDupwindNthAnti2(&beta3[index]); + CCTK_REAL const PDupwindNthSymm2beta3 = PDupwindNthSymm2(&beta3[index]); + CCTK_REAL const PDupwindNthAnti3beta3 = PDupwindNthAnti3(&beta3[index]); + CCTK_REAL const PDupwindNthSymm3beta3 = PDupwindNthSymm3(&beta3[index]); + + /* Calculate temporaries and grid functions */ + ptrdiff_t dir1 = Sign(beta1L); + + ptrdiff_t dir2 = Sign(beta2L); + + ptrdiff_t dir3 = Sign(beta3L); + + CCTK_REAL eta = fmin(1,INV(rL)*ToReal(SpatialBetaDriverRadius)); + + CCTK_REAL theta = fmin(1,exp(1 - + rL*INV(ToReal(SpatialShiftGammaCoeffRadius)))); + + CCTK_REAL dtalpL = + -(pow(alphaL,ToReal(harmonicN))*ToReal(harmonicF)*(trKL + (AL - + trKL)*ToReal(LapseACoeff))) + (beta1L*PDupwindNthAnti1alpha + + beta2L*PDupwindNthAnti2alpha + beta3L*PDupwindNthAnti3alpha + + PDupwindNthSymm1alpha*Abs(beta1L) + PDupwindNthSymm2alpha*Abs(beta2L) + + PDupwindNthSymm3alpha*Abs(beta3L))*ToReal(LapseAdvectionCoeff); + + CCTK_REAL dtbetaxL = (beta1L*PDupwindNthAnti1beta1 + + beta2L*PDupwindNthAnti2beta1 + beta3L*PDupwindNthAnti3beta1 + + PDupwindNthSymm1beta1*Abs(beta1L) + PDupwindNthSymm2beta1*Abs(beta2L) + + PDupwindNthSymm3beta1*Abs(beta3L))*ToReal(ShiftAdvectionCoeff) + + theta*(Xt1L + beta1L*eta*ToReal(BetaDriver)*(-1 + ToReal(ShiftBCoeff)) + + (B1L - Xt1L)*ToReal(ShiftBCoeff))*ToReal(ShiftGammaCoeff); + + CCTK_REAL dtbetayL = (beta1L*PDupwindNthAnti1beta2 + + beta2L*PDupwindNthAnti2beta2 + beta3L*PDupwindNthAnti3beta2 + + PDupwindNthSymm1beta2*Abs(beta1L) + PDupwindNthSymm2beta2*Abs(beta2L) + + PDupwindNthSymm3beta2*Abs(beta3L))*ToReal(ShiftAdvectionCoeff) + + theta*(Xt2L + beta2L*eta*ToReal(BetaDriver)*(-1 + ToReal(ShiftBCoeff)) + + (B2L - Xt2L)*ToReal(ShiftBCoeff))*ToReal(ShiftGammaCoeff); + + CCTK_REAL dtbetazL = (beta1L*PDupwindNthAnti1beta3 + + beta2L*PDupwindNthAnti2beta3 + beta3L*PDupwindNthAnti3beta3 + + PDupwindNthSymm1beta3*Abs(beta1L) + PDupwindNthSymm2beta3*Abs(beta2L) + + PDupwindNthSymm3beta3*Abs(beta3L))*ToReal(ShiftAdvectionCoeff) + + theta*(Xt3L + beta3L*eta*ToReal(BetaDriver)*(-1 + ToReal(ShiftBCoeff)) + + (B3L - Xt3L)*ToReal(ShiftBCoeff))*ToReal(ShiftGammaCoeff); + + + /* Copy local copies back to grid functions */ + dtalp[index] = dtalpL; + dtbetax[index] = dtbetaxL; + dtbetay[index] = dtbetayL; + dtbetaz[index] = dtbetazL; + } + LC_ENDLOOP3 (ML_BSSN_convertToADMBaseDtLapseShift); +} + +extern "C" void ML_BSSN_convertToADMBaseDtLapseShift(CCTK_ARGUMENTS) +{ + DECLARE_CCTK_ARGUMENTS; + DECLARE_CCTK_PARAMETERS; + + GenericFD_LoopOverInterior(cctkGH, &ML_BSSN_convertToADMBaseDtLapseShift_Body); +} |