linear_wave_hydro.athinput

# AthenaXXX input file for HYDRO linear wave tests

<comment>
problem   = hydro linear waves
reference = Stone et al, ApJS 178, 137 (2008), sect 8.1

<job>
basename  = LinWave    # problem ID: basename of output filenames

<mesh>
nghost    = 2          # Number of ghost cells
nx1       = 64         # Number of zones in X1-direction    #> RADIO 64,128,256,512,1024,2048
x1min     = 0.0        # minimum value of X1
x1max     = 1.0        # maximum value of X1
ix1_bc    = periodic   # inner-X1 boundary flag
ox1_bc    = periodic   # outer-X1 boundary flag

nx2       = 1          # Number of zones in X2-direction
x2min     = 0.0        # minimum value of X2
x2max     = 1.5        # maximum value of X2
ix2_bc    = periodic   # inner-X2 boundary flag
ox2_bc    = periodic   # outer-X2 boundary flag

nx3       = 1          # Number of zones in X3-direction
x3min     = 0.0        # minimum value of X3
x3max     = 1.5        # maximum value of X3
ix3_bc    = periodic   # inner-X3 boundary flag
ox3_bc    = periodic   # outer-X3 boundary flag

<meshblock>
nx1       = 64         # Number of cells in each MeshBlock, X1-dir
nx2       = 1          # Number of cells in each MeshBlock, X2-dir
nx3       = 1          # Number of cells in each MeshBlock, X3-dir

<time>
evolution  = dynamic   # dynamic/kinematic/static
integrator = rk2       # time integration algorithm
cfl_number = 0.3       # The Courant, Friedrichs, & Lewy (CFL) Number   #> SCALE 0:1.2:0.1
nlim       = -1        # cycle limit (no limit if <0)
tlim       = 5.0       # time limit                                     #> SCALE 1:100:1
ndiag      = 1         # cycles between diagostic output

<hydro>
eos         = ideal    # EOS type
reconstruct = plm      # spatial reconstruction method
rsolver     = llf      # Riemann-solver to be used
gamma       = 1.66666666667   # gamma = C_p/C_v

<problem>
pgen_name = linear_wave # problem generator name
wave_flag = 0           # Wave family number ([0-4] for adiabatic hydro, [0-6] for MHD)   #> RADIO  0,1,2,3,4
amp       = 1e-3        # Wave Amplitude                                                  #> RADIO  1e-4,1e-3,1e-2,0.1,0.2,0.3,0.4,0.5
vflow     = 0.0         # background flow velocity                                        #> SCALE  0:1:0.05
along_x1  = false       # set to 'true' for wave along x1-axis
along_x2  = false       # set to 'true' for wave along x2-axis
along_x3  = false       # set to 'true' for wave along x3-axis

<output1>
file_type   = tab       # Tabular data dump
variable    = hydro_w   # variables to be output
data_format = %12.5e    # Optional data format string
dt          = 0.05      # time increment between outputs
slice_x2    = 1.0       # slice in x2
slice_x3    = 1.0       # slice in x3
ghost_zones = false     # switch to output ghost cells

<output2>
file_type   = vtk       # legacy VTK output
variable    = hydro_w   # variables to be output
dt          = 0.05      # time increment between outputs
ghost_zones = false     # switch to output ghost cells

<output3>
file_type   = hst       # history data dump
data_format = %12.5e    # Optional data format string
dt          = 0.1       # time increment between outputs