RIT MHD development:

1) Fix a bug in the divergence cleaning implementation:
a psidc term in the induction equation was implemented 
as a source term where it was supposed to be coded as 
part of the flux calculation.

2) Introduce divB as a diagnostic grid function.

3) Remove an old file: GRHydro_CalcUpdateM.F90



git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@228 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45

1 files changed, 5 insertions, 1 deletions

diff --git a/param.ccl b/param.ccl
index ac01a95..56946aa 100644
--- a/param.ccl
+++ b/param.ccl
@@ -492,7 +492,7 @@ CCTK_REAL GRHydro_lorentz_overshoot_cutoff "Set the Lorentz factor to this value
   0:* :: "Some big value"
 } 1.e100
 
-boolean clean_divergence "Should we advect tracers?"
+boolean clean_divergence "Use hyperbolic divergence cleaning"
 {
 } "no"
 
@@ -506,6 +506,10 @@ CCTK_REAL cp_dc "The c_p parameter for divergence cleaning"
   0:* :: "Any value, but one to 12 is preferred"
 } 1.0
 
+boolean track_divB "Track the magnetic field constraint violations"
+{
+} "no"
+
 ############### temporary parameters to be removed once connected issues are fixed.
 
 boolean con2prim_oct_hack "Disregard c2p failures in oct/rotsym90 boundary cells with xyz < 0" STEERABLE=ALWAYS