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Add load_timestep! for restart setup #1614

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merged 8 commits into from
Sep 12, 2023
+21 −17
Merged

Add load_timestep! for restart setup #1614

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4e1b7dd
add load_timestep!
ArseniyKholod Aug 25, 2023
fa9274b
Update save_restart.jl
ArseniyKholod Aug 30, 2023
0866a0e
Update save_restart.jl
ArseniyKholod Aug 30, 2023
24c8c87
Update src/callbacks_step/save_restart.jl
ArseniyKholod Aug 30, 2023
d363edf
use new function in elixirs and docs
ArseniyKholod Aug 30, 2023
a0019a9
Merge branch 'main' into load_timestep
ArseniyKholod Sep 12, 2023
406f855
Merge branch 'main' into load_timestep
ArseniyKholod Sep 12, 2023
74e42bc
Merge branch 'main' into load_timestep
ranocha Sep 12, 2023
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3 changes: 1 addition & 2 deletions examples/tree_2d_dgsem/elixir_advection_restart.jl
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Expand Up @@ -32,8 +32,7 @@ integrator = init(ode, alg,
save_everystep=false, callback=callbacks)

# Get the last time index and work with that.
integrator.iter = load_timestep(restart_filename)
integrator.stats.naccept = integrator.iter
load_timestep!(integrator, restart_filename)
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###############################################################################
# run the simulation
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2 changes: 1 addition & 1 deletion src/Trixi.jl
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Expand Up @@ -253,7 +253,7 @@ export SummaryCallback, SteadyStateCallback, AnalysisCallback, AliveCallback,
GlmSpeedCallback, LBMCollisionCallback, EulerAcousticsCouplingCallback,
TrivialCallback, AnalysisCallbackCoupled

export load_mesh, load_time, load_timestep, load_dt
export load_mesh, load_time, load_timestep, load_timestep!, load_dt

export ControllerThreeLevel, ControllerThreeLevelCombined,
IndicatorLöhner, IndicatorLoehner, IndicatorMax,
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11 changes: 11 additions & 0 deletions src/callbacks_step/save_restart.jl
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Expand Up @@ -141,6 +141,17 @@ function load_timestep(restart_file::AbstractString)
end
end

"""
load_timestep!(integrator, restart_file::AbstractString)

Load the time step number (`iter` in OrdinaryDiffEq.jl) saved in a `restart_file`. And set
the number of accepted steps (`stats.naccept` in OrdinaryDiffEq.jl) equal to the time step number.
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"""
function load_timestep!(integrator, restart_file::AbstractString)
integrator.iter = load_timestep(restart_file)
integrator.stats.naccept = integrator.iter
end

"""
load_dt(restart_file::AbstractString)

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