Some parallel issues

Forgot to check Gmsh2 format with new changes.

Cartesian coordinates were not calculating things properly.

src/modules/mesh/2DCart/moduleMesh2DCart.f90

@@ -556,6 +556,7 @@ MODULE moduleMesh2DCart
 
     !Compute element volume
     PURE SUBROUTINE volumeQuad(self)
+      USE moduleRefParam, ONLY: L_ref
       IMPLICIT NONE
 
       CLASS(meshCell2DCartQuad), INTENT(inout):: self
@@ -573,7 +574,7 @@ MODULE moduleMesh2DCart
       fPsi = self%fPsi(Xi, 4)
 
       !Compute total volume of the cell
-      self%volume  = detJ*4.D0
+      self%volume  = detJ*4.D0/L_ref
       !Compute volume per node
       self%n1%v = self%n1%v + fPsi(1)*self%volume
       self%n2%v = self%n2%v + fPsi(2)*self%volume