turbChannel.usr

c-----------------------------------------------------------------------
      subroutine userchk
      include 'SIZE'
      include 'TOTAL'

      return
      end
c-----------------------------------------------------------------------
      subroutine usrdat   ! This routine to modify element vertices
      include 'SIZE'      ! _before_ mesh is generated, which 
      include 'TOTAL'     ! guarantees GLL mapping of mesh.

      real           XLEN, ZLEN, BETAM
      COMMON /CASED/ XLEN, ZLEN, BETAM

      n = nelv * 2**ldim
      xmin = glmin(xc,n)
      xmax = glmax(xc,n)
      ymin = glmin(yc,n)
      ymax = glmax(yc,n)
      zmin = glmin(zc,n)
      zmax = glmax(zc,n)

      xscale = XLEN/(xmax-xmin)
      yscale = 1./(ymax-ymin)
      zscale = ZLEN/(zmax-zmin)

      do i=1,n
         xc(i,1) = xscale*xc(i,1)
         yc(i,1) = yscale*yc(i,1)
         yc(i,1) = tanh(BETAM*(2*yc(i,1)-1))/tanh(BETAM)
         zc(i,1) = zscale*zc(i,1)
      enddo

      return
      end
c-----------------------------------------------------------------------
      subroutine usrdat2   ! This routine to modify mesh coordinates
      include 'SIZE'
      include 'TOTAL'

      do iel=1,nelt
      do ifc=1,2*ndim
         if (cbc(ifc,iel,1) .eq. 'W  ') boundaryID(ifc,iel) = 1 
         cbc(ifc,iel,2) = cbc(ifc,iel,1) 
      enddo
      enddo

      return
      end
c-----------------------------------------------------------------------
      subroutine usrdat0
      include 'SIZE'
      include 'TOTAL'

      real           XLEN, ZLEN, BETAM
      COMMON /CASED/ XLEN, ZLEN, BETAM

      COMMON /NRSSCPTR/ nrs_scptr(3)
      integer*8         nrs_scptr

      nrs_scptr(1) = loc(XLEN)
      nrs_scptr(2) = loc(ZLEN)
      nrs_scptr(3) = loc(BETAM)

      return
      end
c-----------------------------------------------------------------------