SmallestElement.f90

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SUBROUTINE smallestelement(NumNP, coor, Node1, Node2, lngth)

  implicit none

  integer :: numnp
  integer :: node1, node2
  real*8, dimension(1:3,1:NumNP) :: coor

  real*8 :: x,y,z,lngth

  x = coor(1,node1) - coor(1,node2)
  y = coor(2,node1) - coor(2,node2)
  z = coor(3,node1) - coor(3,node2)

  lngth = sqrt(x*x+y*y+z*z)

end subroutine smallestelement