diff options
Diffstat (limited to 'par/Kerr-centered.par')
-rw-r--r-- | par/Kerr-centered.par | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/par/Kerr-centered.par b/par/Kerr-centered.par new file mode 100644 index 0000000..b4447e2 --- /dev/null +++ b/par/Kerr-centered.par @@ -0,0 +1,53 @@ +# This parameter file sets up Kerr/Kerr-Schild initial data, then +# finds the apparent horizon in it. The local coordinate system origin +# is centered on the black hole, but the initial guess is (deliberately) +# de-centered with respect to the black hole, so this is still a non-trivial +# test for the apparent horizon finder. + +# flesh +cactus::cctk_itlast = 0 + +ActiveThorns = "PUGH" +driver::ghost_size = 3 +driver::global_nx = 31 +driver::global_ny = 31 +driver::global_nz = 19 + +ActiveThorns = "CartGrid3D" +grid::domain = "bitant" +grid::avoid_origin = "false" +grid::type = "byspacing" +grid::dxyz = 0.2 + +ActiveThorns = "ADMBase ADMCoupling StaticConformal CoordGauge SpaceMask Exact" +ADMBase::initial_lapse = "exact" +ADMBase::initial_shift = "exact" +ADMBase::initial_data = "exact" +ADMBase::lapse_evolution_method = "static" +ADMBase::shift_evolution_method = "static" +ADMBase::metric_type = "physical" +Exact::exact_model = "Kerr/Kerr-Schild" +Exact::Kerr_KerrSchild__mass = 1.0 +Exact::Kerr_KerrSchild__spin = 0.6 + +######################################## + +ActiveThorns = "AEILocalInterp PUGHInterp PUGHReduce AHFinderDirect" + +AHFinderDirect::find_AHs = "true" +AHFinderDirect::print_timing_stats = "true" + +AHFinderDirect::how_often_to_output_Theta = 1 +AHFinderDirect::h_base_file_name = "Kerr.h" +AHFinderDirect::Theta_base_file_name = "Kerr.Theta" + +AHFinderDirect::N_horizons = 1 +AHFinderDirect::origin_x[1] = 0.0 +AHFinderDirect::origin_y[1] = 0.0 +AHFinderDirect::origin_z[1] = 0.0 + +AHFinderDirect::initial_guess_method[1] = "coordinate sphere" +AHFinderDirect::initial_guess__coord_sphere__x_center[1] = -0.2 +AHFinderDirect::initial_guess__coord_sphere__y_center[1] = 0.3 +AHFinderDirect::initial_guess__coord_sphere__z_center[1] = 0.0 +AHFinderDirect::initial_guess__coord_sphere__radius[1] = 2.0 |