diff --git a/wk/fort.90 b/wk/fort.90
index 449f43714dfacebcd1ab179c91b08923a228dbb5..2a9ffd21620c693958e6ab51da66face0b91101f 100644
--- a/wk/fort.90
+++ b/wk/fort.90
@@ -1,19 +1,19 @@
 &BASIC
   nrun=100000
   dt=0.01
-  tmax=10    ! time normalized to 1/omega_pe
+  tmax=100    ! time normalized to 1/omega_pe
 /
 &GRID
-  pmaxe =15    ! Electron Hermite moments 
-  jmaxe = 6     ! Electron Laguerre moments 
-  pmaxi = 15    ! Ion Hermite moments 
-  jmaxi = 6     ! Ion Laguerre moments
-  nkr   = 1
-  krmin = 0
-  krmax = 0
-  nkz   = 20
-  kzmin = 1.5
-  kzmax = 2.5
+  pmaxe =8    ! Electron Hermite moments 
+  jmaxe = 4     ! Electron Laguerre moments 
+  pmaxi = 8    ! Ion Hermite moments 
+  jmaxi = 4     ! Ion Laguerre moments
+  nkr   = 16
+  krmin = 0.1
+  krmax = 1
+  nkz   = 16
+  kzmin = 0.1
+  kzmax = 1
 /
 &OUTPUT_PAR
   nsave_0d = 0
@@ -28,7 +28,7 @@
 /
 &MODEL_PAR
   ! Collisionality
-  CO      = -1       ! Collision operator (-1:Full Coulomb, 0: Dougherty)
+  CO      = -2       ! Collision operator (-1:Full Coulomb, 0: Dougherty)
   nu      = 0.01       ! Normalized collision frequency normalized to plasma frequency
   tau_e   = 1         ! T_e/T_e
   tau_i   = 1         ! T_i/T_e       temperature ratio
@@ -36,9 +36,9 @@
   sigma_i = 1         ! sqrt(m_i/m_i)
   q_e     = -1         ! Electrons charge
   q_i     = 1         ! Ions charge
-  eta_n   = 1         ! L_perp / L_n Density gradient
+  eta_n   = 0         ! L_perp / L_n Density gradient
   eta_T   = 0         ! L_perp / L_T Temperature gradient
-  eta_B   = 0.5         ! L_perp / L_B Magnetic gradient and curvature
+  eta_B   = 1         ! L_perp / L_B Magnetic gradient and curvature
   lambdaD = 0         ! Debye length
 /
 &INITIAL_CON
@@ -47,9 +47,9 @@
   ! Noise amplitude
   initnoise_moments=0
   iseed=42
-  selfmat_file='../iCa/self_Coll_GKE_0_GKI_0_ESELF_1_ISELF_1_Pmaxe_15_Jmaxe_6_Pmaxi_15_Jmaxi_6_pamaxx_10.h5'
-  eimat_file='../iCa/ei_Coll_GKE_0_GKI_0_ETEST_1_EBACK_1_Pmaxe_15_Jmaxe_6_Pmaxi_15_Jmaxi_6_pamaxx_10_tau_1.0000_mu_0.0233.h5'
-  iemat_file='../iCa/ie_Coll_GKE_0_GKI_0_ITEST_1_IBACK_1_Pmaxe_15_Jmaxe_6_Pmaxi_15_Jmaxi_6_pamaxx_10_tau_1.0000_mu_0.0233.h5'
+  selfmat_file='../iCa/self_Coll_GKE_0_GKI_0_ESELF_1_ISELF_1_Pmaxe_8_Jmaxe_4_Pmaxi_8_Jmaxi_4_pamaxx_10.h5'
+  eimat_file='../iCa/ei_Coll_GKE_0_GKI_0_ETEST_1_EBACK_1_Pmaxe_8_Jmaxe_4_Pmaxi_8_Jmaxi_4_pamaxx_10_tau_1.0000_mu_0.0233.h5'
+  iemat_file='../iCa/ie_Coll_GKE_0_GKI_0_ITEST_1_IBACK_1_Pmaxe_8_Jmaxe_4_Pmaxi_8_Jmaxi_4_pamaxx_10_tau_1.0000_mu_0.0233.h5'
 /
 &TIME_INTEGRATION_PAR
   numerical_scheme='RK4'