*HEADING
 TEST OF USER OUTPUT VARIABLES - LINEAR PERTURBATION STEP, B31 --- 
*RESTART,WRITE,FREQ=5
*NODE,NSET=ALL
1, 0.
2, 5.
*ELEMENT,TYPE=B31, ELSET=EALL
1,1,2
*BEAM SECTION,SECTION=RECT, TEMP=GRADIENTS,MATERIAL=SEL3, ELSET=EALL
2.,3.
*MATERIAL,NAME=SEL3
*ELASTIC
 3.E6, 0.3
*DENSITY
 0.16667, 
*USER OUTPUT VARIABLES
15, 
*BOUNDARY
1,1,6
*STEP,PERTURBATION
*STATIC
.1,1.
*LOAD CASE, NAME=LC_1
  *CLOAD
   2, 2, 1000.
*END LOAD CASE
*LOAD CASE, NAME=LC_2
  *CLOAD
   2, 2, 2000.
*END LOAD CASE
*OUTPUT, FIELD
*ELEMENT OUTPUT
 UVARM1,UVARM2,S, 
 UVARM3,UVARM4,UVARM5,UVARM6,SINV, 
 UVARM7,SENER,
 UVARM8,UVARM9,E,
 UVARM10,UVARM11,UVARM12,EP,
 UVARM13,UVARM14,UVARM15,SP
*END STEP