ENH: Added ddtPhiCorr to pimpleDyMFoam on a switch

applications/solvers/incompressible/pimpleFoam/pimpleDyMFoam/pEqn.H

@@ -7,6 +7,11 @@ if (pimple.nCorr() <= 1)
 
 phi = (fvc::interpolate(U) & mesh.Sf());
 
+if (ddtPhiCorr)
+{
+    phi += fvc::ddtPhiCorr(rAU, U, phi);
+}
+
 if (p.needReference())
 {
     fvc::makeRelative(phi, U);

applications/solvers/incompressible/pimpleFoam/pimpleDyMFoam/readControls.H

@@ -8,3 +8,5 @@
     const bool checkMeshCourantNo =
         pimpleDict.lookupOrDefault("checkMeshCourantNo", false);
 
+    const bool ddtPhiCorr =
+        pimpleDict.lookupOrDefault("ddtPhiCorr", true);