Changeset 15732

Timestamp:

2022-03-02T13:25:25+01:00 (2 years ago)

Author:

edblockley

Message:

Further bug fixes to EVP rheology diagnostics

File:

• NEMO/branches/UKMO/NEMO_4.0.4_GO8_package/src/ICE/icedyn_rhg_evp.F90 (modified) (4 diffs)

NEMO/branches/UKMO/NEMO_4.0.4_GO8_package/src/ICE/icedyn_rhg_evp.F90

@@ -137 +137 @@
       !
       REAL(wp), DIMENSION(jpi,jpj) ::   zdelta, zp_delt                 ! delta and P/delta at T points
-      REAL(wp), DIMENSION(jpi,jpj) ::   zten_i                          ! tension
+      REAL(wp), DIMENSION(jpi,jpj) ::   zten_i, zshear                  ! tension, shear
       REAL(wp), DIMENSION(jpi,jpj) ::   zbeta                           ! beta coef from Kimmritz 2017
       !
@@ -773 +773 @@
                &   ) * 0.25_wp * r1_e1e2t(ji,jj)
             
-            ! shear at T points
+            ! maximum shear rate at T points (includes tension, output only)
             pshear_i(ji,jj) = SQRT( zdt2 + zds2 )
+
+            ! shear at T-points
+            zshear(ji,jj)   = SQRT( zds2 )
 
             ! divergence at T points
@@ -835 +838 @@
                zsig1            =   zfac * ( pdivu_i(ji,jj) - pdelta_i(ji,jj) )
                zsig2            =   zfac * z1_ecc2 * zten_i(ji,jj)
-               zsig12           =   zfac * z1_ecc2 * pshear_i(ji,jj)
-               
+               zsig12           =   zfac * z1_ecc2 * zshear(ji,jj) * 0.5_wp     
+          
                ! Stress invariants (sigma_I, sigma_II, Coon 1974, Feltham 2008)
                zsig_I (ji,jj)   =   zsig1 * 0.5_wp                                           ! 1st stress invariant, aka average normal stress, aka negative pressure
@@ -866 +869 @@
 !!$               !                        and **deformations** at current iterates
 !!$               !                        following Lemieux & Dupont (2020)
-!!$               zfac             =   zp_delt(ji,jj)
-!!$               zsig1            =   zfac * ( pdivu_i(ji,jj) - ( zdelta(ji,jj) + rn_creepl ) )
+!!$               zfac             =   strength(ji,jj) / ( pdelta_i(ji,jj) + rn_creepl )
+!!$               zsig1            =   zfac * ( pdivu_i(ji,jj) - zdelta(ji,jj) )
 !!$               zsig2            =   zfac * z1_ecc2 * zten_i(ji,jj)
-!!$               zsig12           =   zfac * z1_ecc2 * pshear_i(ji,jj)
+!!$               zsig12           =   zfac * z1_ecc2 * zshear(ji,jj) * 0.5_wp
 !!$               
 !!$               ! Stress invariants (sigma_I, sigma_II, Coon 1974, Feltham 2008), T-point