subroutine sourcemethod_DGModel2D_t(this)
implicit none
class(DGModel2D_t),intent(inout) :: this
! Local
integer :: iel
integer :: i
integer :: j
real(prec) :: s(1:this%nvar),dsdx(1:this%nvar,1:2)
do concurrent(i=1:this%solution%N+1,j=1:this%solution%N+1, &
iel=1:this%mesh%nElem)
s = this%solution%interior(i,j,iel,1:this%nvar)
dsdx = this%solutionGradient%interior(i,j,iel,1:this%nvar,1:2)
this%source%interior(i,j,iel,1:this%nvar) = this%source2d(s,dsdx)
enddo
endsubroutine sourcemethod_DGModel2D_t