linear_wave1d.in

# AthenaPK - a performance portable block structured AMR MHD code
# Copyright (c) 2020, Athena Parthenon Collaboration. All rights reserved.
# Licensed under the BSD 3-Clause License (the "LICENSE");

<comment>
problem = 1D Hydro linear wave convergence

<job>
problem_id = linear_wave

<problem/linear_wave>
compute_error = true  # when 'true' outputs L1 error compared to initial data
wave_flag = 0         # Wave family number (0 - 4 for adiabatic hydro)
amp       = 1.0e-6    # Wave Amplitude
vflow     = 0.0       # background flow velocity
ang_2     = 0.0       # rotation of k around x3 axis
ang_3     = 0.0       # rotation of k around x2 axis

<parthenon/mesh>
refinement = none
nghost = 2

nx1 = 128
x1min = 0.0
x1max = 1.0
ix1_bc = periodic
ox1_bc = periodic

nx2 = 1 
x2min = -0.5
x2max = 0.5
ix2_bc = periodic
ox2_bc = periodic

nx3 = 1
x3min = -0.5
x3max = 0.5
ix2_bc = periodic
ox2_bc = periodic

<parthenon/output0>
file_type = hdf5
dt = 0.01
variables   = prim

<parthenon/time>
integrator = rk1
cfl = 0.4
tlim = 5.0
nlim = 10000

<hydro>
eos = adiabatic
riemann = hlle
reconstruction = plm
gamma = 1.666666666666667 # gamma = C_p/C_v