diff options
Diffstat (limited to 'Examples/EulerSR/src/eulersr_cons_calc_primitives.cc')
| -rw-r--r-- | Examples/EulerSR/src/eulersr_cons_calc_primitives.cc | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/Examples/EulerSR/src/eulersr_cons_calc_primitives.cc b/Examples/EulerSR/src/eulersr_cons_calc_primitives.cc new file mode 100644 index 0000000..c1ca939 --- /dev/null +++ b/Examples/EulerSR/src/eulersr_cons_calc_primitives.cc @@ -0,0 +1,257 @@ +/* File produced by Kranc */ + +#define KRANC_C + +#include <assert.h> +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "cctk.h" +#include "cctk_Arguments.h" +#include "cctk_Parameters.h" +#include "GenericFD.h" +#include "Differencing.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)) + +static void eulersr_cons_calc_primitives_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 the variables used for looping over grid points */ + CCTK_INT i, j, k; + // CCTK_INT index = INITVALUE; + + /* Declare finite differencing variables */ + + if (verbose > 1) + { + CCTK_VInfo(CCTK_THORNSTRING,"Entering eulersr_cons_calc_primitives_Body"); + } + + if (cctk_iteration % eulersr_cons_calc_primitives_calc_every != eulersr_cons_calc_primitives_calc_offset) + { + return; + } + + const char *groups[] = {"EulerSR::Den_group","EulerSR::epsi_group","EulerSR::h_group","EulerSR::p_group","EulerSR::rho_group","EulerSR::S_group","EulerSR::tau_group","EulerSR::v_group","EulerSR::W_group"}; + GenericFD_AssertGroupStorage(cctkGH, "eulersr_cons_calc_primitives", 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 dt = ToReal(CCTK_DELTA_TIME); + 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 p1o1 = 1; + CCTK_REAL const p1odx = INV(dx); + CCTK_REAL const p1ody = INV(dy); + CCTK_REAL const p1odz = INV(dz); + + /* Loop over the grid points */ + for (k = min[2]; k < max[2]; k++) + { + for (j = min[1]; j < max[1]; j++) + { + for (i = min[0]; i < max[0]; i++) + { + int const index = CCTK_GFINDEX3D(cctkGH,i,j,k) ; + + /* Assign local copies of grid functions */ + + CCTK_REAL DenL = Den[index]; + CCTK_REAL epsiL = epsi[index]; + CCTK_REAL hL = h[index]; + CCTK_REAL pL = p[index]; + CCTK_REAL rhoL = rho[index]; + CCTK_REAL S1L = S1[index]; + CCTK_REAL S2L = S2[index]; + CCTK_REAL S3L = S3[index]; + CCTK_REAL tauL = tau[index]; + CCTK_REAL WL = W[index]; + + + /* Include user supplied include files */ + + /* Precompute derivatives */ + + /* Calculate temporaries and grid functions */ + CCTK_REAL pBar = pL; + + CCTK_REAL f = 10; + + CCTK_REAL Z = DenL + pBar + tauL; + + CCTK_REAL Ssq = SQR(S1L) + SQR(S2L) + SQR(S3L); + + CCTK_REAL vsq = Ssq*INV(SQR(Z)); + + WL = INV(sqrt(1 - vsq)); + + rhoL = DenL*INV(WL); + + hL = Z*INV(rhoL)*INV(SQR(WL)); + + epsiL = hL - (pBar + rhoL)*INV(rhoL); + + CCTK_REAL pEOS = epsiL*rhoL*(-1 + ToReal(gamma)); + + f = -pBar + pEOS; + + CCTK_REAL cs = sqrt(epsiL*INV(hL)*(-1 + ToReal(gamma))*ToReal(gamma)); + + CCTK_REAL df = -1 + vsq*SQR(cs); + + pBar = pBar - f*INV(df); + + Z = DenL + pBar + tauL; + + Ssq = SQR(S1L) + SQR(S2L) + SQR(S3L); + + vsq = Ssq*INV(SQR(Z)); + + WL = INV(sqrt(1 - vsq)); + + rhoL = DenL*INV(WL); + + hL = Z*INV(rhoL)*INV(SQR(WL)); + + epsiL = hL - (pBar + rhoL)*INV(rhoL); + + pEOS = epsiL*rhoL*(-1 + ToReal(gamma)); + + f = -pBar + pEOS; + + cs = sqrt(epsiL*INV(hL)*(-1 + ToReal(gamma))*ToReal(gamma)); + + df = -1 + vsq*SQR(cs); + + pBar = pBar - f*INV(df); + + Z = DenL + pBar + tauL; + + Ssq = SQR(S1L) + SQR(S2L) + SQR(S3L); + + vsq = Ssq*INV(SQR(Z)); + + WL = INV(sqrt(1 - vsq)); + + rhoL = DenL*INV(WL); + + hL = Z*INV(rhoL)*INV(SQR(WL)); + + epsiL = hL - (pBar + rhoL)*INV(rhoL); + + pEOS = epsiL*rhoL*(-1 + ToReal(gamma)); + + f = -pBar + pEOS; + + cs = sqrt(epsiL*INV(hL)*(-1 + ToReal(gamma))*ToReal(gamma)); + + df = -1 + vsq*SQR(cs); + + pBar = pBar - f*INV(df); + + Z = DenL + pBar + tauL; + + Ssq = SQR(S1L) + SQR(S2L) + SQR(S3L); + + vsq = Ssq*INV(SQR(Z)); + + WL = INV(sqrt(1 - vsq)); + + rhoL = DenL*INV(WL); + + hL = Z*INV(rhoL)*INV(SQR(WL)); + + epsiL = hL - (pBar + rhoL)*INV(rhoL); + + pEOS = epsiL*rhoL*(-1 + ToReal(gamma)); + + f = -pBar + pEOS; + + cs = sqrt(epsiL*INV(hL)*(-1 + ToReal(gamma))*ToReal(gamma)); + + df = -1 + vsq*SQR(cs); + + pBar = pBar - f*INV(df); + + Z = DenL + pBar + tauL; + + Ssq = SQR(S1L) + SQR(S2L) + SQR(S3L); + + vsq = Ssq*INV(SQR(Z)); + + WL = INV(sqrt(1 - vsq)); + + rhoL = DenL*INV(WL); + + hL = Z*INV(rhoL)*INV(SQR(WL)); + + epsiL = hL - (pBar + rhoL)*INV(rhoL); + + pEOS = epsiL*rhoL*(-1 + ToReal(gamma)); + + f = -pBar + pEOS; + + cs = sqrt(epsiL*INV(hL)*(-1 + ToReal(gamma))*ToReal(gamma)); + + df = -1 + vsq*SQR(cs); + + pBar = pBar - f*INV(df); + + pL = pBar; + + CCTK_REAL v1L = S1L*INV(hL)*INV(rhoL)*INV(SQR(WL)); + + CCTK_REAL v2L = S2L*INV(hL)*INV(rhoL)*INV(SQR(WL)); + + CCTK_REAL v3L = S3L*INV(hL)*INV(rhoL)*INV(SQR(WL)); + + /* Copy local copies back to grid functions */ + epsi[index] = epsiL; + h[index] = hL; + p[index] = pL; + rho[index] = rhoL; + v1[index] = v1L; + v2[index] = v2L; + v3[index] = v3L; + W[index] = WL; + } + } + } +} + +extern "C" void eulersr_cons_calc_primitives(CCTK_ARGUMENTS) +{ + DECLARE_CCTK_ARGUMENTS; + DECLARE_CCTK_PARAMETERS; + + GenericFD_LoopOverEverything(cctkGH, &eulersr_cons_calc_primitives_Body); +} |