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Diffstat (limited to 'README')
| -rw-r--r-- | README | 13 |
1 files changed, 10 insertions, 3 deletions
@@ -3,8 +3,15 @@ Authors : Gabrielle Allen CVS info : $Header$ -------------------------------------------------------------------------- -Thorn Time sets the timestep for an evolution. Currently it -uses a simple Courant condition with speed one. That is +Thorn Time sets the timestep for the simulation by either + + - setting the timestep directly from a parameter value + + - using a Courant-type condition to set the timestep based + on the grid-spacing used. + +The Courant condition can be applied either once at the start of the +simulation, or the timestep can be calculated dynamically before each timestep. + -cctk_delta_time = dtfac * min(cctk_delta_space) |