From f649b5af180f9a3f8175a8f1542aaa931f69309f Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Fri, 7 Feb 2020 16:53:12 +0300
Subject: [PATCH] #16522 [CEA 7599] Viscous layers hypothesis: extract layers
 as a group

Fix SIGSEGV
---
 src/NETGENPlugin/NETGENPlugin_Mesher.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/NETGENPlugin/NETGENPlugin_Mesher.cxx b/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
index 75f3758..3845f53 100644
--- a/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
+++ b/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
@@ -3173,6 +3173,7 @@ bool NETGENPlugin_Mesher::Compute()
       const NETGENPlugin_SimpleHypothesis_3D* simple3d =
         dynamic_cast< const NETGENPlugin_SimpleHypothesis_3D* > ( _simpleHyp );
       if ( simple3d ) {
+        _ngMesh->Compress();
         if ( double vol = simple3d->GetMaxElementVolume() ) {
           // max volume
           mparams.maxh = pow( 72, 1/6. ) * pow( vol, 1/3. );
-- 
2.39.2