amun-code/problems/rayleigh-taylor.in

# problem name and parameters
#
problem              = "rayleigh-taylor"
adiabatic_index      = 1.4d+00

# random number generator parameters
#
gentype              = "random"

# physics
#
equation_system      = "hd"
equation_of_state    = "adi"

# methods
#
time_advance         = "ssprk(m,2)"
stages               = 3
riemann_solver       = "hllc"
reconstruction       = "tvd"
limiter              = "mc"
fix_positivity       = "off"

# mesh parameters
#
xblocks              =  1
yblocks              =  2
xmin                 = -2.5d-01
xmax                 =  2.5d-01
ymin                 = -5.0d-01
ymax                 =  5.0d-01

# refinement control
#
ncells               = 16
nghosts              =  2
minlev               =  1
maxlev               =  5
crefmin              =  1.0d-02
crefmax              =  1.0d-01

# boundary conditions
#
xlbndry              = "periodic"
xubndry              = "periodic"
ylbndry              = "hydrostatic"
yubndry              = "hydrostatic"
zlbndry              = "periodic"
zubndry              = "periodic"

# runtime control parameters
#
tmax                 = 3.0d+00
cfl                  = 3.0d-01

# data output control
#
precise_snapshots    = "on"
snapshot_type        = "p"
snapshot_interval    = 1.0d-01
restart_number       = -1
integrals_interval   = 10