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