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Fix vortex street elixir #2360

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Merged
merged 4 commits into from
Apr 16, 2025
Merged

Fix vortex street elixir #2360

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7118444
Fix vortex street elixir
efaulhaber Apr 10, 2025
ecddda2
Use constant density
efaulhaber Apr 10, 2025
e896831
Reset tspan
efaulhaber Apr 10, 2025
c198d8f
Fix tests
efaulhaber Apr 11, 2025
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13 changes: 7 additions & 6 deletions examples/p4est_2d_dgsem/elixir_navierstokes_vortex_street.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -5,24 +5,25 @@ using Trixi
# Semidiscretization of the compressible Euler equations

# Fluid parameters
const gamma = 5 / 3
const gamma = 1.4
const prandtl_number = 0.72

# Parameters for compressible von-Karman vortex street
const Re = 500
const Re = 200
const Ma = 0.5f0
const D = 1 # Diameter of the cylinder as in the mesh file

# Parameters that can be freely chosen
const v_in = 1
const p_in = 1
const rho_in = 1

# Parameters that follow from Reynolds and Mach number + adiabatic index gamma
const mu = v_in * D / Re
const nu = v_in * D / Re

const c = v_in / Ma
const p_over_rho = c^2 / gamma
const rho_in = p_in / p_over_rho
const p_in = rho_in * p_over_rho
const mu = rho_in * nu

# Equations for this configuration
equations = CompressibleEulerEquations2D(gamma)
Expand Down Expand Up @@ -101,7 +102,7 @@ analysis_callback = AnalysisCallback(semi, interval = analysis_interval)

alive_callback = AliveCallback(analysis_interval = analysis_interval)

save_solution = SaveSolutionCallback(interval = analysis_interval,
save_solution = SaveSolutionCallback(dt = 1.0,
save_initial_solution = true,
save_final_solution = true,
solution_variables = cons2prim)
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