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trixi-framework
GitHub Repository: trixi-framework/Trixi.jl
 Path: blob/main/benchmark/elixir_3d_euler_source_terms_tree.jl
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using OrdinaryDiffEqLowOrderRK

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using Trixi

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###############################################################################

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# semidiscretization of the compressible Euler equations

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equations = CompressibleEulerEquations3D(1.4)

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initial_condition = initial_condition_convergence_test

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solver = DGSEM(polydeg = 3, surface_flux = flux_lax_friedrichs)

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coordinates_min = (0.0, 0.0, 0.0)

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coordinates_max = (2.0, 2.0, 2.0)

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mesh = TreeMesh(coordinates_min, coordinates_max,

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                initial_refinement_level = 2,

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                n_cells_max = 10_000, periodicity = true)

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semi = SemidiscretizationHyperbolic(mesh, equations, initial_condition, solver,

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                                    source_terms = source_terms_convergence_test,

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                                    boundary_conditions = boundary_condition_periodic)

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###############################################################################

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# ODE solvers, callbacks etc.

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tspan = (0.0, 5.0)

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ode = semidiscretize(semi, tspan)

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summary_callback = SummaryCallback()

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analysis_interval = 100

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analysis_callback = AnalysisCallback(semi, interval = analysis_interval)

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alive_callback = AliveCallback(analysis_interval = analysis_interval)

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callbacks = CallbackSet(summary_callback, analysis_callback, alive_callback)

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###############################################################################

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# run the simulation

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sol = solve(ode, BS3();

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            ode_default_options()..., callback = callbacks);

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summary_callback() # print the timer summary

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