This function calculates the sigma for the planar viscosity spongelayer and multiply with targetState 'viscosity' from treeid. This function is currectly used to define viscosity sponge in musubi.
Type | Intent | Optional | Attributes | Name | ||
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type(tem_spongeLayer_plane_type) | :: | me |
Spacetime function to evaluate |
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integer(kind=long_k), | intent(in) | :: | treeIds(n) |
treeIds of elements in given level |
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type(treelmesh_type), | intent(in) | :: | tree |
global treelm mesh |
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integer, | intent(in) | :: | n |
Number of arrays to return |
return value
function viscSpongelayer_plane_for_treeIDs(me, treeIDs, tree, n) &
& result(res)
! --------------------------------------------------------------------------
!> Spacetime function to evaluate
type(tem_spongeLayer_plane_type) :: me
!> Number of arrays to return
integer, intent(in) :: n
!> global treelm mesh
type( treelmesh_type ), intent(in) ::tree
!> treeIds of elements in given level
integer(kind=long_k), intent(in) :: treeIds(n)
!> return value
real(kind=rk) :: res(n)
! --------------------------------------------------------------------------
integer :: i
real(kind=rk) :: sigma, origin(3), normal(3), vec(3), proj_len, coord(3)
! --------------------------------------------------------------------------
origin(:) = me%origin
normal(:) = me%normal
do i = 1,n
!barycentric coordinate
coord = tem_BaryOfId( tree, treeIds(i) )
vec(:) = coord(:) - origin(:)
proj_len = (vec(1)*normal(1)+ vec(2)*normal(2)+vec(3)*normal(3))/ &
(normal(1)**2 + normal(2)**2 + normal(3)**2)
sigma = 1.0_rk + (me%dampFactor-1.0_rk)*((proj_len)**me%dampExponent)
if (proj_len > 0 .and. proj_len < 1) then
res(i) = sigma * me%targetState(1)
else if (proj_len > 1) then
res(i) = me%dampFactor * me%targetState(1)
else
res(i) = me%targetState(1)
end if
end do
end function viscSpongelayer_plane_for_treeIDs