***behavior gen_evp auto_step
 **elasticity isotropic
  young 200000.
  poisson .3
 **potential octahedral oc
    *flow norton
       K  .1
       n  10.
    *isotropic constant
       R0 50.
   *isotropic nonlinear
      R0  50.0
      Q     8.
      b  300.   
   *interaction slip
      h1    1.0
      h2    1.0
      h3    1.0
      h4    1.0
      h5    1.0
      h6    1.0
***return

