From 3784a64168ab130d3b02210bc2eb8a5935e21a13 Mon Sep 17 00:00:00 2001
From: Thomas Gibson <gibsonthomas1120@hotmail.com>
Date: Tue, 25 May 2021 13:10:12 -0500
Subject: [PATCH] Fix max_eigenvalue method for wave operator

---
 grudge/models/wave.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grudge/models/wave.py b/grudge/models/wave.py
index e7c66f0e..ed0d4019 100644
--- a/grudge/models/wave.py
+++ b/grudge/models/wave.py
@@ -333,7 +333,7 @@ class VariableCoefficientWeakWaveOperator(HyperbolicOperator):
 
     def max_eigenvalue(self, t, fields=None, discr=None):
         actx = self.dcoll._setup_actx
-        return op.nodal_maximum(self.dcoll, actx.np.fabs(self.c))
+        return op.nodal_max(self.dcoll, "vol", actx.np.fabs(self.c))
 
 # }}}
 
-- 
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