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/fvMotionSolver/fvMotionSolvers/velocity/componentLaplacian/velocityComponentLaplacianFvMotionSolver.C

@@ -142,7 +142,7 @@ Foam::velocityComponentLaplacianFvMotionSolver::curPoints() const
     (
         cmpt_,
         tcurPoints().component(cmpt_)
-      + fvMesh_.time().deltaT().value()*pointMotionU_.internalField()
+      + fvMesh_.time().deltaTValue()*pointMotionU_.internalField()
     );
 
     twoDCorrectPoints(tcurPoints());

src/fvMotionSolver/fvMotionSolvers/velocity/laplacian/velocityLaplacianFvMotionSolver.C

@@ -112,7 +112,7 @@ Foam::velocityLaplacianFvMotionSolver::curPoints() const
     tmp<pointField> tcurPoints
     (
         fvMesh_.points()
-      + fvMesh_.time().deltaT().value()*pointMotionU_.internalField()
+      + fvMesh_.time().deltaTValue()*pointMotionU_.internalField()
     );
 
     twoDCorrectPoints(tcurPoints());

src/fvMotionSolver/pointPatchFields/derived/angularOscillatingVelocity/angularOscillatingVelocityPointPatchVectorField.C

@@ -146,7 +146,7 @@ void angularOscillatingVelocityPointPatchVectorField::updateCoeffs()
           + (axisHat ^ p0Rel*sin(angle))
           + (axisHat & p0Rel)*(1 - cos(angle))*axisHat
           - p.localPoints()
-        )/t.deltaT().value()
+        )/t.deltaTValue()
     );
 
     fixedValuePointPatchField<vector>::updateCoeffs();

src/fvMotionSolver/pointPatchFields/derived/oscillatingVelocity/oscillatingVelocityPointPatchVectorField.C

@@ -125,7 +125,7 @@ void oscillatingVelocityPointPatchVectorField::updateCoeffs()
     Field<vector>::operator=
     (
         (p0_ + amplitude_*sin(omega_*t.value()) - p.localPoints())
-       /t.deltaT().value()
+       /t.deltaTValue()
     );
 
     fixedValuePointPatchField<vector>::updateCoeffs();

src/fvMotionSolver/pointPatchFields/derived/sixDoFRigidBodyDisplacement/sixDoFRigidBodyDisplacementPointPatchVectorField.C

@@ -129,7 +129,7 @@ void sixDoFRigidBodyDisplacementPointPatchVectorField::updateCoeffs()
     // calculate the forces on the motion object from this data, then
     // update the positions
 
-    motion_.updatePosition(t.deltaT().value());
+    motion_.updatePosition(t.deltaTValue());
 
     dictionary forcesDict;
 
@@ -157,7 +157,7 @@ void sixDoFRigidBodyDisplacementPointPatchVectorField::updateCoeffs()
     (
         fm.first().first() + fm.first().second() + gravity*motion_.mass(),
         fm.second().first() + fm.second().second(),
-        t.deltaT().value()
+        t.deltaTValue()
     );
 
     Field<vector>::operator=(motion_.generatePositions(p0_) - p0_);

src/fvMotionSolver/pointPatchFields/derived/surfaceDisplacement/surfaceDisplacementPointPatchVectorField.C

@@ -64,7 +64,7 @@ void surfaceDisplacementPointPatchVectorField::calcProjection
     const pointField& localPoints = patch().localPoints();
     const labelList& meshPoints = patch().meshPoints();
 
-    //const scalar deltaT = mesh.time().deltaT().value();
+    //const scalar deltaT = mesh.time().deltaTValue();
 
     // Construct large enough vector in direction of projectDir so
     // we're guaranteed to hit something.
@@ -451,7 +451,7 @@ void surfaceDisplacementPointPatchVectorField::updateCoeffs()
 
     // Clip offset to maximum displacement possible: velocity*timestep
 
-    const scalar deltaT = mesh.time().deltaT().value();
+    const scalar deltaT = mesh.time().deltaTValue();
     const vector clipVelocity = velocity_*deltaT;
 
     forAll(displacement, i)

src/fvMotionSolver/pointPatchFields/derived/surfaceSlipDisplacement/surfaceSlipDisplacementPointPatchVectorField.C

@@ -63,7 +63,7 @@ void surfaceSlipDisplacementPointPatchVectorField::calcProjection
     const pointField& localPoints = patch().localPoints();
     const labelList& meshPoints = patch().meshPoints();
 
-    //const scalar deltaT = mesh.time().deltaT().value();
+    //const scalar deltaT = mesh.time().deltaTValue();
 
     // Construct large enough vector in direction of projectDir so
     // we're guaranteed to hit something.