This function calculates the sigma for the radial viscosity spongelayer for 2D and 3D, and multiply with targetState. This function is currectly used to define viscosity sponge in musubi.
Type | Intent | Optional | Attributes | Name | ||
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type(tem_spongeLayer_radial_type) | :: | me |
Spacetime function to evaluate |
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real(kind=rk), | intent(in) | :: | coord(n,3) |
barycentric Ids of an elements. 1st index goes over number of elements and 2nd index goes over x,y,z coordinates |
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integer, | intent(in) | :: | nDim |
Dimension |
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integer, | intent(in) | :: | n |
Number of arrays to return |
return value
function viscSpongelayer_radial_for_coord(me, coord, nDim, n) &
& result(res)
! --------------------------------------------------------------------------
!> Spacetime function to evaluate
type(tem_spongeLayer_radial_type) :: me
!> Number of arrays to return
integer, intent(in) :: n
!> barycentric Ids of an elements.
!! 1st index goes over number of elements and
!! 2nd index goes over x,y,z coordinates
real(kind=rk), intent( in ) :: coord(n,3)
!> Dimension
integer, intent(in) :: nDim
!> return value
real(kind=rk) :: res(n)
! --------------------------------------------------------------------------
integer :: i
real(kind=rk) :: sigma, rad, origin(3), vec(3), outerRadius
! --------------------------------------------------------------------------
origin(:) = me%origin
outerRadius = me%radius + me%thickness
vec = 0.0_rk
do i = 1, n
vec(1:nDim) = coord(i, 1:nDim) - origin(1:nDim)
rad = sqrt( vec(1)**2 + vec(2)**2 + vec(3)**2 )
if ( rad > me%radius .and. rad < outerRadius ) then
sigma = 1.0_rk + (me%dampFactor-1.0_rk) &
& * ( (rad-me%radius)/me%thickness )**me%dampExponent
else if (rad > outerRadius) then
sigma = me%dampFactor
else
sigma = 1.0_rk
end if
res(i) = sigma * me%targetState(1)
enddo
end function viscSpongelayer_radial_for_coord