00001 subroutine source_qua_loc_spin(sous)
00002   use phys_constant, only : long
00003   use grid_parameter, only : nrg, ntg, npg
00004   use make_array_2d
00005   use def_metric, only :  psi, tfkij
00006   use def_metric_excurve_grid, only : tfkij_grid
00007   use coordinate_grav_r, only : rg
00008   use def_vector_bh, only : hvec_bh_cbh_phig, hvec_bh_cbh_xg
00009   use interface_interpo_linear_type0_2Dsurf
00010   implicit none
00011   real(long), pointer :: sous(:,:), psi_bh(:,:)
00012   real(long) :: ni, vphi_bh, vphi_cm, Aij_surf, val, psi6, work(2,2)
00013   real(long) :: x(2),y(2), v
00014   integer    :: irg, itg, ipg, ia, ib
00015 
00016   call alloc_array2d(psi_bh,0,ntg,0,npg)
00017   call calc_vector_bh(2)
00018 
00019   psi_bh(0:ntg,0:npg) = psi(0,0:ntg,0:npg)
00020   do ipg = 1, npg
00021     do itg = 1, ntg
00022       call interpo_linear_type0_2Dsurf(val,psi_bh,itg,ipg)
00023       psi6 = val**6
00024       sous(itg,ipg)=0.0d0
00025       do ib = 1, 3
00026         do ia = 1, 3
00027           work(1:2,1:2) = tfkij_grid(0,itg-1:itg,ipg-1:ipg,ia,ib)
00028           call interpo_linear1p_type0_2Dsurf(Aij_surf,work)          
00029 
00030           ni = -hvec_bh_cbh_xg(itg,ipg,ib)/rg(0)
00031           vphi_cm = hvec_bh_cbh_phig(itg,ipg,ia)
00032 
00033           sous(itg,ipg) = sous(itg,ipg) + Aij_surf*vphi_cm*ni
00034         end do
00035       end do
00036       sous(itg,ipg) = sous(itg,ipg)*psi6
00037     end do
00038   end do
00039 
00040   deallocate(psi_bh)
00041 end subroutine source_qua_loc_spin
00042