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changeset 1083:a22b23098021 feature/laplace1dUpdate

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Divide interface penalty strength by 4, to make it sharp. Stability verified by eigenvalue computations.
author Martin Almquist <malmquist@stanford.edu>
date Tue, 05 Mar 2019 12:41:50 -0800
parents a20fc67e9ac0
children 3b2acd1117b9
files +scheme/Laplace1d.m
diffstat 1 files changed, 1 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/+scheme/Laplace1d.m	Tue Mar 05 11:26:42 2019 -0800
+++ b/+scheme/Laplace1d.m	Tue Mar 05 12:41:50 2019 -0800
@@ -104,7 +104,7 @@
 
             tuning = 1.1;
 
-            tau1 = -(a_u/gamm_u + a_v/gamm_v) * tuning;
+            tau1 = -1/4*(a_u/gamm_u + a_v/gamm_v) * tuning;
             tau2 = 1/2*a_u;
             sig1 = -1/2;
             sig2 = 0;