Changeset 12397 for NEMO/branches/2020/KERNEL-03_Storkey_Coward_RK3_stage2/src/OCE/TRA/traldf_triad.F90
- Timestamp:
- 2020-02-18T11:58:37+01:00 (4 years ago)
- File:
-
- 1 edited
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NEMO/branches/2020/KERNEL-03_Storkey_Coward_RK3_stage2/src/OCE/TRA/traldf_triad.F90
r12377 r12397 86 86 INTEGER :: ip,jp,kp ! dummy loop indices 87 87 INTEGER :: ierr ! local integer 88 REAL(wp) :: zmsku, zabe1, zcof1, zcoef3 89 REAL(wp) :: zmskv, zabe2, zcof2, zcoef4 90 REAL(wp) :: zcoef0, ze3w_2, zsign , z2dt, z1_2dt! - -88 REAL(wp) :: zmsku, zabe1, zcof1, zcoef3 ! local scalars 89 REAL(wp) :: zmskv, zabe2, zcof2, zcoef4 ! - - 90 REAL(wp) :: zcoef0, ze3w_2, zsign ! - - 91 91 ! 92 92 REAL(wp) :: zslope_skew, zslope_iso, zslope2, zbu, zbv … … 111 111 l_hst = .FALSE. 112 112 l_ptr = .FALSE. 113 IF( cdtype == 'TRA' .AND. ( iom_use( 'sophtldf' ) .OR. iom_use( 'sopstldf' ) ) ) l_ptr = .TRUE. 114 IF( cdtype == 'TRA' .AND. ( iom_use("uadv_heattr") .OR. iom_use("vadv_heattr") .OR. & 115 & iom_use("uadv_salttr") .OR. iom_use("vadv_salttr") ) ) l_hst = .TRUE. 116 ! 117 ! ! set time step size (Euler/Leapfrog) 118 IF( neuler == 0 .AND. kt == kit000 ) THEN ; z2dt = rdt ! at nit000 (Euler) 119 ELSE ; z2dt = 2.* rdt ! (Leapfrog) 113 IF( cdtype == 'TRA' ) THEN 114 IF( iom_use( 'sophtldf' ) .OR. iom_use( 'sopstldf') ) l_ptr = .TRUE. 115 IF( iom_use("uadv_heattr") .OR. iom_use("vadv_heattr") .OR. & 116 & iom_use("uadv_salttr") .OR. iom_use("vadv_salttr") ) l_hst = .TRUE. 120 117 ENDIF 121 z1_2dt = 1._wp / z2dt122 118 ! 123 119 IF( kpass == 1 ) THEN ; zsign = 1._wp ! bilaplacian operator require a minus sign (eddy diffusivity >0) … … 189 185 DO_3D_10_10( 2, jpkm1 ) 190 186 ze3w_2 = e3w(ji,jj,jk,Kmm) * e3w(ji,jj,jk,Kmm) 191 zcoef0 = z2dt * ( akz(ji,jj,jk) + ah_wslp2(ji,jj,jk) / ze3w_2 )192 akz(ji,jj,jk) = MAX( zcoef0 - 0.5_wp , 0._wp ) * ze3w_2 * z1_2dt187 zcoef0 = r2dt * ( akz(ji,jj,jk) + ah_wslp2(ji,jj,jk) / ze3w_2 ) 188 akz(ji,jj,jk) = MAX( zcoef0 - 0.5_wp , 0._wp ) * ze3w_2 * r1_2dt 193 189 END_3D 194 190 ENDIF
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