From 8ebff8616fa4a25dd30faf5e78fd06dba552cd79 Mon Sep 17 00:00:00 2001
From: Henry Weller <http://cfd.direct>
Date: Wed, 28 Feb 2024 12:02:00 +0000
Subject: [PATCH] multiValveEngineState: Execute at start with the clearance
 initialised to 0

Alternative resolution of bug-report https://bugs.openfoam.org/view.php?id=4054
---
 .../multiValveEngineState/multiValveEngineState.H          | 7 -------
 src/fvMeshMovers/multiValveEngine/piston.C                 | 2 +-
 2 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/src/fvMeshMovers/multiValveEngine/multiValveEngineState/multiValveEngineState.H b/src/fvMeshMovers/multiValveEngine/multiValveEngineState/multiValveEngineState.H
index b345c90110..22e26a3b67 100644
--- a/src/fvMeshMovers/multiValveEngine/multiValveEngineState/multiValveEngineState.H
+++ b/src/fvMeshMovers/multiValveEngine/multiValveEngineState/multiValveEngineState.H
@@ -125,13 +125,6 @@ public:
             return wordList::null();
         }
 
-        //- Do not execute at the start of the run
-        //  as the clearance is not available at that point
-        virtual bool executeAtStart() const
-        {
-            return false;
-        }
-
         //- Execute, currently does nothing
         virtual bool execute();
 
diff --git a/src/fvMeshMovers/multiValveEngine/piston.C b/src/fvMeshMovers/multiValveEngine/piston.C
index 21c213dd98..90b59a3bb0 100644
--- a/src/fvMeshMovers/multiValveEngine/piston.C
+++ b/src/fvMeshMovers/multiValveEngine/piston.C
@@ -100,7 +100,7 @@ Foam::fvMeshMovers::multiValveEngine::pistonObject::pistonObject
 :
     movingObject(name, engine, dict),
     bore_(bore()),
-    clearance_(great)
+    clearance_(0)
 {}