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gyacomo/src/advance_field.F90
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advance_field.F90
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MODULE advance_field_routine
USE prec_const
implicit none
CONTAINS
SUBROUTINE advance_time_level
USE basic
USE time_integration
use prec_const
IMPLICIT NONE
CALL set_updatetlevel(mod(updatetlevel,ntimelevel)+1)
END SUBROUTINE advance_time_level
SUBROUTINE advance_moments
USE basic
USE time_integration
USE grid
use prec_const
use fields, ONLY: moments_e, moments_i
use array, ONLY: moments_rhs_e, moments_rhs_i
IMPLICIT NONE
INTEGER :: istage
! Execution time start
CALL cpu_time(t0_adv_field)
SELECT CASE (updatetlevel)
CASE(1)
DO istage=1,ntimelevel
moments_e(ips_e:ipe_e,ijs_e:ije_e,:,:,:,1) = moments_e(ips_e:ipe_e,ijs_e:ije_e,:,:,:,1) &
+ dt*b_E(istage)*moments_rhs_e(ips_e:ipe_e,ijs_e:ije_e,:,:,:,istage)
END DO
! Advance ions
DO istage=1,ntimelevel
moments_i(ips_i:ipe_i,ijs_i:ije_i,:,:,:,1) = moments_i(ips_i:ipe_i,ijs_i:ije_i,:,:,:,1) &
+ dt*b_E(istage)*moments_rhs_i(ips_i:ipe_i,ijs_i:ije_i,:,:,:,istage)
END DO
CASE DEFAULT
! Advance electrons
moments_e(ips_e:ipe_e,ijs_e:ije_e,:,:,:,updatetlevel) = moments_e(ips_e:ipe_e,ijs_e:ije_e,:,:,:,1);
DO istage=1,updatetlevel-1
moments_e(ips_e:ipe_e,ijs_e:ije_e,:,:,:,updatetlevel) = moments_e(ips_e:ipe_e,ijs_e:ije_e,:,:,:,updatetlevel) &
+ dt*A_E(updatetlevel,istage)*moments_rhs_e(ips_e:ipe_e,ijs_e:ije_e,:,:,:,istage)
END DO
! Advance ions
moments_i(ips_i:ipe_i,ijs_i:ije_i,:,:,:,updatetlevel) = moments_i(ips_i:ipe_i,ijs_i:ije_i,:,:,:,1);
DO istage=1,updatetlevel-1
moments_i(ips_i:ipe_i,ijs_i:ije_i,:,:,:,updatetlevel) = moments_i(ips_i:ipe_i,ijs_i:ije_i,:,:,:,updatetlevel) &
+ dt*A_E(updatetlevel,istage)*moments_rhs_i(ips_i:ipe_i,ijs_i:ije_i,:,:,:,istage)
END DO
END SELECT
! Execution time end
CALL cpu_time(t1_adv_field)
tc_adv_field = tc_adv_field + (t1_adv_field - t0_adv_field)
END SUBROUTINE advance_moments
SUBROUTINE advance_field( f, f_rhs )
USE basic
USE time_integration
USE array
USE grid
use prec_const
IMPLICIT NONE
COMPLEX(dp), DIMENSION ( ikxs:ikxe, ikys:ikye, izs:ize, ntimelevel ) :: f
COMPLEX(dp), DIMENSION ( ikxs:ikxe, ikys:ikye, izs:ize, ntimelevel ) :: f_rhs
INTEGER :: istage
SELECT CASE (updatetlevel)
CASE(1)
DO iky=ikys,ikye
DO ikx=ikxs,ikxe
DO iz=izs,ize
DO istage=1,ntimelevel
f(ikx,iky,iz,1) = f(ikx,iky,iz,1) + dt*b_E(istage)*f_rhs(ikx,iky,iz,istage)
END DO
END DO
END DO
END DO
CASE DEFAULT
DO iky=ikys,ikye
DO ikx=ikxs,ikxe
DO iz=izs,ize
f(ikx,iky,iz,updatetlevel) = f(ikx,iky,iz,1);
DO istage=1,updatetlevel-1
f(ikx,iky,iz,updatetlevel) = f(ikx,iky,iz,updatetlevel) + &
dt*A_E(updatetlevel,istage)*f_rhs(ikx,iky,iz,istage)
END DO
END DO
END DO
END DO
END SELECT
END SUBROUTINE advance_field
END MODULE advance_field_routine
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