diff options
Diffstat (limited to 'm')
| -rw-r--r-- | m/McLachlan_BSSN.m | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/m/McLachlan_BSSN.m b/m/McLachlan_BSSN.m index 7ff370c..4df6573 100644 --- a/m/McLachlan_BSSN.m +++ b/m/McLachlan_BSSN.m @@ -648,10 +648,9 @@ evolCalc = *) dot[alpha] -> - harmonicF alpha^harmonicN (+ LapseACoeff A - + (1 - LapseACoeff) trK), + + (1 - LapseACoeff) (trK + AlphaDriver (alpha - 1))), dot[A] -> + LapseACoeff (dottrK - AlphaDriver A), - eta -> etaExpr, theta -> thetaExpr, @@ -702,16 +701,21 @@ advectCalc = dot[At[la,lb]] -> dot[At[la,lb]] + Upwind[beta[uc], At[la,lb], lc], - dot[alpha] -> dot[alpha] + LapseAdvectionCoeff Upwind[beta[ua], alpha, la], + dot[alpha] -> dot[alpha] + + LapseAdvectionCoeff Upwind[beta[ua], alpha, la], - dot[A] -> dot[A] + LapseAdvectionCoeff Upwind[beta[ua], A, la], + dot[A] -> dot[A] + + LapseAdvectionCoeff Upwind[beta[ua], A, la] + + (LapseACoeff - LapseAdvectionCoeff) + Upwind[beta[ua], trK, la], - dot[beta[ua]] -> dot[beta[ua]] + ShiftAdvectionCoeff Upwind[beta[ub], beta[ua], lb], + dot[beta[ua]] -> dot[beta[ua]] + + ShiftAdvectionCoeff Upwind[beta[ub], beta[ua], lb], dot[B[ua]] -> dot[B[ua]] - + ShiftBCoeff Upwind[beta[uj], Xt[ua], lj] (* take care *) + ShiftAdvectionCoeff Upwind[beta[ub], B[ua], lb] - - ShiftAdvectionCoeff Upwind[beta[ub], Xt[ua], lb] + + (ShiftBCoeff - ShiftAdvectionCoeff) + Upwind[beta[ub], Xt[ua], lb] } }; |