#
# AMR PROBLEM DEFINITION FILE: Gravity Test (Sphere) Problem
#
#  define problem
#
ProblemType            = 25      // Gravity test (Sphere)
TopGridRank            = 3
TopGridDimensions      = 32 32 32
SelfGravity            = 1       // gravity on
TopGridGravityBoundary = 0       // Periodic BCs
#NumberOfParticles      = 5000
#
TestGravitySphereInteriorDensity   = 100000.0
TestGravitySphereExteriorDensity   = 0.01
TestGravitySphereRadius            = 0.01
TestGravitySphereUseBaryons        = 1
#TestGravitySphereSubgridLeft       = 0.4375   // start of subgrid
#TestGravitySphereSubgridRight      = 0.5625   // end of subgrid
TestGravitySphereType              = 0
TestGravitySphereRefineAtStart     = 1
TestGravitySphereCenter            = 0.49 0.5 0.5
#TestGravitySphereCenter            = 0.484375 0.484375 0.484375
#
#  set I/O and stop/start parameters
#
StopTime               = 0.00001
dtDataDump             = 0.01
#
#  set hydro parameters
#
CourantSafetyNumber    = 0.5     // 
PPMDiffusionParameter  = 0       // diffusion off
HydroMethod            = 2
#
#  set grid refinement parameters
#
StaticHierarchy                 = 0    // dynamic hierarchy
MaximumRefinementLevel          = 6    // use up to 3 levels
MaximumGravityRefinementLevel   = 6
RefineBy                        = 2    // refinement factor
MinimumOverDensityForRefinement = 0.1
CellFlaggingMethod              = 2
FluxCorrection                  = 0
ConservativeInterpolation       = 0
#
#  set some global parameters
#
tiny_number            = 1.0e-10 // fixes velocity slope problem