Commit
9792d3d8a5ac1a2bf4406489d46fb8edf085e6ae
by noreply[Simulation.Core] Remove usage of ill-used nodeData in MechanicalGetNonDiagonalMassesCountVisitor and MechanicalVDotVisitor (#4328)
* remove ill-used nodedata for nondiagmass visitor
* remove ill-used nodedata for vdot visitor
* set to const ptr
* replace result type by an integer
* add keyword for lifecycle