*HEADING
 TEST OF USER OUTPUT VARIABLES - LINEAR PERTURBATION STEP , CPS4R --- 
*RESTART,WRITE,FREQ=5
*NODE,NSET=ALLN
1,0.,0.,0.
2,1.,0.,0.
3,1.,1.,0.
4,0.,1.,0.
*ELEMENT,TYPE=CPS4R,ELSET=ALLE
1,1,2,3,4
*SOLID SECTION,ELSET=ALLE,MATERIAL=DEL2
*MATERIAL,NAME=DEL2
*ELASTIC
200.E3,.3
*DENSITY
82.9, 
*USER OUTPUT VARIABLES
19, 
*BOUNDARY
1,PINNED
2,2
4,1
*STEP,PERT
*STATIC
.1,1.0
*LOAD CASE, NAME=LC_1
 *BOUNDARY
  2,1,,.04
  3,1,,.04
*END LOAD CASE
*LOAD CASE, NAME=LC_2
 *BOUNDARY
  2,1,,.08
  3,1,,.08
*END LOAD CASE
*OUTPUT, FIELD
*ELEMENT OUTPUT
 UVARM1,UVARM2,UVARM3,UVARM4,S, 
 UVARM5,UVARM6,UVARM7,UVARM8,SINV, 
 UVARM9,SENER,
 UVARM10,UVARM11,UVARM12,UVARM13,E,
 UVARM14,UVARM15,UVARM16,EP,
 UVARM17,UVARM18,UVARM19,SP
*END STEP