*heading
clay plasticity, beta=.5 triaxial compression test, cax4r
*IMPORT, UPDATE=NO, STATE=YES, STEP=1
SOIL
*step
  geostatic initial stress state
*dynamic,explicit
 ,1.0e-5
*boundary
top,2
bottom,2
lhs,1
*dload
1,p2,100.
*output,field,freq=10
*element output
s,e,pe
*output,field
*node output
 u
*element output
 press,mises,peeq,s
*OUTPUT,HISTORY
*ELEMENT OUTPUT, ELSET=SOIL
PE,PEEQ,PRESS,MISES, S
*end step
*amplitude, name=amp-1
 0.0,0.0,20.0,1.0
*step
  triaxial extension
*dynamic,explicit
 ,20.
*boundary, amplitude=amp-1
top,2,2,-.5
*end step