*HEADING
 NCR1AR8X: NAFEMS CREEP BENCHMKS 2D PLN STRESS--UNIAXIAL LD (CPS6)
 TEST 1(a) -- SECONDARY CREEP
*RESTART, WRITE
*NODE
       1,          0.,          0.
       2,         50.,          0.
       3,        100.,          0.
       4,          0.,         50.
       5,         50.,         50.
       6,        100.,         50.
       7,          0.,        100.
       8,         50.,        100.
       9,        100.,        100.
*ELEMENT, TYPE=CPS6, ELSET=TRIPROP
       1,       9,       7,       1,       8,       4,       5
       2,       1,       3,       9,       2,       6,       5
*NSET, NSET=NALL
       1,       2,       3,       4,       5,       6,       7,       8,
       9,
*ELSET, ELSET=ELALL
       1,        2
*SOLID SECTION, ELSET=TRIPROP, MATERIAL=STEEL
*MATERIAL, NAME=STEEL
*ELASTIC
     200000.,         0.3
*CREEP, LAW=TIME
3.125E-14,5.
*BOUNDARY
       1, 1,,          0.
       4, 1,,          0.
       4, 2,,          0.
       7, 1,,          0.
*STEP, INC=30
 PRESCRIBED TENSILE STRESS
*STATIC
1.E-7,1.E-6
*DLOAD
       2, P2,       -200.
*NODE PRINT, FREQ=10
U, 
*EL PRINT, FREQ=10
S,SINV
*END STEP
*STEP,INC=40
 CREEP STEP
*VISCO,CETOL=5.E-3
1.E-6,1000.
*EL PRINT,FREQ=10
CE,S
CENER, 
*OUTPUT,FIELD
*ELEMENT OUTPUT
CE,
*NODE PRINT,FREQ=10
U, 
*END STEP