TopGridParameters
by
streeter
—
last modified
2005-11-12 13:27
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#
# Generates initial grid and particle fields for a multi-grid
# CDM simulation (top grid)
#
# Cosmology Parameters
#
CosmologyOmegaBaryonNow = 0.038
CosmologyOmegaMatterNow = 0.27
CosmologyOmegaLambdaNow = 0.73
CosmologyComovingBoxSize = 14.592 // in Mpc/h
CosmologyHubbleConstantNow = 0.76 // in units of 100 km/s/Mpc
CosmologyInitialRedshift = 60
#
# Power spectrum Parameters
#
# k goes from 1e-3 to 1e+4 with 10000 points
#
PowerSpectrumType = 11
PowerSpectrumSigma8 = 0.94
PowerSpectrumPrimordialIndex = 1.0
PowerSpectrumRandomSeed = -123456789
##PowerSpectrumFileNameRedshiftZero = scdm_z0.transfer
##PowerSpectrumFileNameInitialRedshift = scdm_z100.transfer
#
# Grid info
#
Rank = 3
GridDims = 256 256 256
InitializeGrids = 1
GridRefinement = 1
#
# Particle info
#
ParticleDims = 256 256 256
InitializeParticles = 1
ParticleRefinement = 1
#
# Overall field parameters
#
#MaxDims = 128 128 128
#NewCenter = 63 63 63
#StartIndex = 0 0 0
#
# Names
#
ParticlePositionName = ParticlePositions
ParticleVelocityName = ParticleVelocities
GridDensityName = GridDensity
GridVelocityName = GridVelocities