*HEADING
 : NAFEMS CREEP BENCHMKS 2D PLN STRESS--BIAXIAL (DBL) DISP (CPS8R)
 TEST 4(b) -- SECONDARY CREEP
*NODE
1,0.,0,
3,100.,0.
7,0.,100.
9,100.,100.
*NGEN,NSET=LEFT
1,7,3
*NGEN,NSET=RIGHT
3,9,3
*NFILL,NSET=ALL
LEFT,RIGHT,2,1
*NSET,NSET=BOTTOM,GENERATE
1,3
*NSET,NSET=TOP,GENERATE
7,9
**
** ELEMENT DEFINITION
**
*ELEMENT,TYPE=CPS8R,ELSET=CREEP
1,1,3,9,7,2,6,8,4
*SOLID SECTION,ELSET=CREEP,MATERIAL=STEEL
*MATERIAL,NAME=STEEL
*ELASTIC
200.E3,0.3
*CREEP,LAW=TIME
3.125E-14,5.
*BOUNDARY
LEFT,1,1
BOTTOM,2,2
**
**
*STEP
  STEP 1 IMPOSING LINEAR ELASTIC DISPLACEMENT
*STATIC
1.E-7,1.E-6
*BOUNDARY
RIGHT,1,1,0.1
TOP,2,2,0.05
*EL PRINT
S,SINV
*NODE PRINT
U, 
*END STEP
**  STEP 2 --- RELAXATION
*STEP,INC=200
 PRESCRIBED X-DISPLACEMENT = 0.1
*VISCO,CETOL=1.E-6
1.E-6,1000.,
*EL PRINT,FREQ=5
S,SINV
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,
*NODE PRINT,FREQ=5
U, 
*END STEP