From d4af4d504fddb2fef071d8f4f66a48954ec6e665 Mon Sep 17 00:00:00 2001
From: Hrvoje Jasak <h.jasak@wikki.co.uk>
Date: Mon, 2 Nov 2020 10:15:28 +0000
Subject: [PATCH] Usage update: flowRateInletVelocity

---
 .../flowRateInletVelocityFvPatchVectorField.C      | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/finiteVolume/fields/fvPatchFields/derived/flowRateInletVelocity/flowRateInletVelocityFvPatchVectorField.C b/src/finiteVolume/fields/fvPatchFields/derived/flowRateInletVelocity/flowRateInletVelocityFvPatchVectorField.C
index e1b4b2e09..232a75dd2 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/flowRateInletVelocity/flowRateInletVelocityFvPatchVectorField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/flowRateInletVelocity/flowRateInletVelocityFvPatchVectorField.C
@@ -117,6 +117,18 @@ void Foam::flowRateInletVelocityFvPatchVectorField::updateCoeffs()
         return;
     }
 
+    if (!this->db().objectRegistry::found(phiName_))
+    {
+        // Flux not available, do not update
+        InfoInFunction
+            << "Flux field " << phiName_ << " not found.  "
+            << "Performing fixed value update" << endl;
+
+        fixedValueFvPatchVectorField::updateCoeffs();
+
+        return;
+    }
+
 //     if (patch().boundaryMesh().mesh().moving())
 //     {
 //         WarningIn
@@ -159,7 +171,7 @@ void Foam::flowRateInletVelocityFvPatchVectorField::updateCoeffs()
             << nl << exit(FatalError);
     }
 
-    fixedValueFvPatchField<vector>::updateCoeffs();
+    fixedValueFvPatchVectorField::updateCoeffs();
 }