From cb241c5f00c4952c0db58ebdad26f0944e7e4e84 Mon Sep 17 00:00:00 2001
From: Henry Weller <http://cfd.direct>
Date: Wed, 5 Apr 2023 15:57:52 +0100
Subject: [PATCH] fvModels::checkApplied: Check for sub-cycling

so that fvModel usage is not checked within the sub-cycling loop.
---
 src/finiteVolume/cfdTools/general/fvModels/fvModels.C | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/finiteVolume/cfdTools/general/fvModels/fvModels.C b/src/finiteVolume/cfdTools/general/fvModels/fvModels.C
index 9da5a876be..3b8704d522 100644
--- a/src/finiteVolume/cfdTools/general/fvModels/fvModels.C
+++ b/src/finiteVolume/cfdTools/general/fvModels/fvModels.C
@@ -108,7 +108,12 @@ Foam::IOobject Foam::fvModels::createIOobject
 
 void Foam::fvModels::checkApplied() const
 {
-    if (mesh().time().timeIndex() > checkTimeIndex_)
+    const label timeIndex =
+        mesh().time().subCycling()
+      ? mesh().time().prevTimeState().timeIndex()
+      : mesh().time().timeIndex();
+
+    if (timeIndex > checkTimeIndex_)
     {
         const PtrListDictionary<fvModel>& modelList(*this);
 
@@ -128,7 +133,7 @@ void Foam::fvModels::checkApplied() const
             }
         }
 
-        checkTimeIndex_ = mesh().time().timeIndex();
+        checkTimeIndex_ = timeIndex;
     }
 }