From 897965cb095a897fdfff6c39835bb2ce83716488 Mon Sep 17 00:00:00 2001
From: Jean-Baptiste Keck <Jean-Baptiste.Keck@imag.fr>
Date: Tue, 4 Jun 2019 22:58:38 +0200
Subject: [PATCH] add diffusion substepping parameter to the example interface
---
examples/example_utils.py | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/examples/example_utils.py b/examples/example_utils.py
index 553aefb07..3e6393056 100644
--- a/examples/example_utils.py
+++ b/examples/example_utils.py
@@ -576,10 +576,14 @@ class HysopArgParser(argparse.ArgumentParser):
method.add_argument('-vdm', '--vorticity-diffusion-mode', type=str,
default='spectral', dest='vorticity_diffusion_mode',
help='Enforce either spectral or directional diffusion with finite differences for vorticity. Vorticity is a special case for diffusion because vorticity diffusion can be computed at the same time as the Poisson operator which recovers the velocity. Spectral diffusion of vorticity when divergence-free field projection is enabled is virtually free. The default value is spectral diffusion mode.')
+ method.add_argument('-edst', '--enable-diffusion-substepping',
+ dest='enable_diffusion_substepping', action='store_true',
+ help='Do not restrict timestep because of finite difference directional diffusion CFL but enforce substepping inside the operator depending on current timestep.')
return method
def _check_method_args(self, args):
+ self._check_default(args, 'enable_diffusion_substepping', bool, allow_none=False)
self._check_default(args, ('compute_granularity', 'fd_order', 'strang_order',
'reprojection_frequency'), int, allow_none=False)
self._check_default(args, ('time_integrator', 'remesh_kernel', 'interpolation_filter',
--
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