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gyacomo/src/numerics.F90
9a072e2a62053D_parallel

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numerics.F90
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SUBROUTINE evaluation_auxfield_total
USE space_grid
USE fields
USE array
USE time_integration
USE gradients
USE prec_const
IMPLICIT NONE
integer :: iz
integer :: ip
DO iz = izs, ize
! Actual temperature = exp ( ln temp )
! Actual density = exp ( ln theta )
sqrt_exp_temp(iz) = exp(temp(iz,updatetlevel)*0.5_dp)
END DO
CALL parallel_gradients
CALL interpolation
END SUBROUTINE evaluation_auxfield_total
!Compute parallel gradients for RHS of equations
SUBROUTINE parallel_gradients
USE array
USE fields
USE gradients
USE model, only: gradient_scheme
USE space_grid
USE time_integration, only: updatetlevel
use prec_const
IMPLICIT NONE
integer :: ip
CALL gradz(theta(:,updatetlevel), thetaz)
CALL gradz(sqrt_exp_temp, sqrt_exp_tempz)
CALL gradz(vpar(:,updatetlevel), vparz)
CALL gradz(phi(:), phiz)
do ip=ips,ipe
CALL gradz(moments(ip,:,updatetlevel), momentsz(ip,:))
enddo
! Derivatives that are on the opposite grid
CALL gradz_n2v(theta(:,updatetlevel), thetaz_v)
CALL gradz_n2v(sqrt_exp_temp, sqrt_exp_tempz_v)
CALL gradz_v2n(vpar(:,updatetlevel), vparz_n)
CALL gradz_n2v(phi, phiz_v)
select case (gradient_scheme)
! case('up2') ! If upwind scheme : need spatial derivaties for the "minus side"
! CALL gradzm(theta(:,updatetlevel), thetazm)
! CALL gradzm(temp(:,updatetlevel), tempzm)
! CALL gradzm(vpar(:,updatetlevel), vparzm)
! CALL gradzm(phi(:), phizm)
! do ip=ips,ipe
! CALL gradzm(moments(ip,:,updatetlevel), momentszm(ip,:))
! enddo
case('fa2','fd4','we4') ! If no upwind scheme : numerical diffusion needs 2nd order spatial derivatives
CALL gradzz(theta(:,updatetlevel), thetazz)
CALL gradzz(temp(:,updatetlevel), tempzz)
CALL gradzz(vpar(:,updatetlevel), vparzz)
do ip=ips,ipe
CALL gradzz(moments(ip,:,updatetlevel), momentszz(ip,:))
enddo
end select
END SUBROUTINE parallel_gradients
SUBROUTINE interpolation
USE array
USE fields
USE gradients
USE time_integration, only: updatetlevel
use prec_const
IMPLICIT NONE
CALL interp_n2v(sqrt_exp_temp, sqrt_exp_temp_v)
CALL interp_v2n(vpar(:,updatetlevel), vpar_n)
END SUBROUTINE interpolation
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