Changing

deltaT().value() to deltaTValue()
and
    deltaT0().value() to deltaT0Value()
across the whole code - faster to return especially if being used
often, in each call to a submodel for example.

src/postProcessing/functionObjects/field/streamLine/streamLineParticle.C

@@ -164,7 +164,7 @@ bool Foam::streamLineParticle::move(streamLineParticle::trackData& td)
     td.switchProcessor = false;
     td.keepParticle = true;
 
-    scalar deltaT = GREAT;  //cloud().pMesh().time().deltaT().value();
+    scalar deltaT = GREAT;  //cloud().pMesh().time().deltaTValue();
     scalar tEnd = (1.0 - stepFraction())*deltaT;
     scalar dtMax = tEnd;