Info<< "Constructing momentum equations"<< endl;fvVectorMatrix U1Eqn(U1, rho1.dimensions() *U1.dimensions() *dimVol/dimTime);fvVectorMatrix U2Eqn(U2, rho2.dimensions() *U2.dimensions() *dimVol/dimTime);{ autoPtr< phaseSystem::momentumTransferTable > momentumTransferPtr(fluid.momentumTransfer())