From 02b8862de782769f2aafdeae9b5059f986ccfac9 Mon Sep 17 00:00:00 2001
From: sergio <s.ferraris@opencfd.co.uk>
Date: Wed, 13 Apr 2022 15:55:29 -0700
Subject: [PATCH] BUG: Making surfaceFilmProperties optional for
 postProcessing. Fixes #2372

---
 .../createMeshesPostProcess.H                 | 48 +++++++++++--------
 1 file changed, 28 insertions(+), 20 deletions(-)

diff --git a/applications/solvers/lagrangian/reactingParcelFoam/createMeshesPostProcess.H b/applications/solvers/lagrangian/reactingParcelFoam/createMeshesPostProcess.H
index 8368e4cc9d..6dabcba73b 100644
--- a/applications/solvers/lagrangian/reactingParcelFoam/createMeshesPostProcess.H
+++ b/applications/solvers/lagrangian/reactingParcelFoam/createMeshesPostProcess.H
@@ -1,27 +1,35 @@
 #include "createMesh.H"
 
-IOdictionary filmDict
+dictionary filmDict;
+
+IOobject io
 (
-    IOobject
-    (
-        "surfaceFilmProperties",
-        runTime.constant(),
-        runTime,
-        IOobject::MUST_READ,
-        IOobject::NO_WRITE,
-        false
-    )
+    "surfaceFilmProperties",
+    mesh.time().constant(),
+    mesh,
+    IOobject::READ_IF_PRESENT,
+    IOobject::NO_WRITE,
+    false
 );
 
-const word filmRegionName = filmDict.get<word>("region");
+if (io.typeHeaderOk<IOdictionary>())
+{
+    IOdictionary propDict(io);
 
-fvMesh filmMesh
-(
-    IOobject
+    filmDict = std::move(propDict);
+
+    const word filmRegionName = filmDict.get<word>("region");
+
+    fvMesh filmMesh
     (
-        filmRegionName,
-        runTime.timeName(),
-        runTime,
-        IOobject::MUST_READ
-    )
-);
+        IOobject
+        (
+            filmRegionName,
+            runTime.timeName(),
+            runTime,
+            IOobject::MUST_READ
+        )
+    );
+}
+
+