From 85e68669f029f54d65d74dc1520620bfe28c97c0 Mon Sep 17 00:00:00 2001
From: Will Bainbridge <http://cfd.direct>
Date: Wed, 23 Feb 2022 15:28:51 +0000
Subject: [PATCH] multiphaseEulerFoam: Apply constraints to mass fraction
 equations

---
 .../multiphase/multiphaseEulerFoam/multiphaseEulerFoam/YEqns.H  | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/applications/solvers/multiphase/multiphaseEulerFoam/multiphaseEulerFoam/YEqns.H b/applications/solvers/multiphase/multiphaseEulerFoam/multiphaseEulerFoam/YEqns.H
index b3ea61bee1..23a633e573 100644
--- a/applications/solvers/multiphase/multiphaseEulerFoam/multiphaseEulerFoam/YEqns.H
+++ b/applications/solvers/multiphase/multiphaseEulerFoam/multiphaseEulerFoam/YEqns.H
@@ -26,7 +26,9 @@
             );
 
             YiEqn.relax();
+            fvConstraints.constrain(YiEqn);
             YiEqn.solve("Yi");
+            fvConstraints.constrain(Y[i]);
         }
     }