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Commit 38abb00c authored by Ashwin V. Mohanan's avatar Ashwin V. Mohanan
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Add benchmark script for Burgers solvers

parent 03f87c3c0a9e
#!/usr/bin/env python
import click
import numpy as np
import matplotlib.pyplot as plt
def solve(Simul, coef_dealiasing):
params = Simul.create_default_params()
params.output.sub_directory = "bench_skew_sym"
params.output.periods_save.phys_fields = 1.0
params.short_name_type_run = f"test_coef_dealias={coef_dealiasing:.2f}"
params.oper.Lx = 2 * np.pi
params.oper.nx = 128
params.oper.coef_dealiasing = coef_dealiasing
params.nu_2 = 0.0
params.time_stepping.USE_CFL = False
params.time_stepping.deltat0 = 1e-2
params.time_stepping.t_end = 1.0
params.time_stepping.type_time_scheme = "RK2"
params.init_fields.type = "in_script"
params.output.periods_print.print_stdout = 0.5
sim = Simul(params)
# Initialize
x = sim.oper.x
Lx = sim.oper.Lx
u = np.sin(x)
u_fft = sim.oper.fft(u)
# Plot once
ax = plt.gca()
ax.plot(x, sim.state.state_phys.get_var("u"))
@click.option("--solver", type=click.Choice(["conv", "skew_sym"]))
@click.option("--dealias/--no-dealias", type=bool, default=False)
def run(solver, dealias):
if solver == "conv":
from fluidsim.solvers.burgers1d.solver import Simul
from fluidsim.solvers.burgers1d.skew_sym.solver import Simul
solve(Simul, 2./3 if dealias else 1.0)
if __name__ == "__main__":
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