*HEADING
 : NAFEMS CREEP BENCHMKS 2D PLN STRESS--SHEAR LDING (CPS8R)
 TEST 4(c) -- SECONDARY CREEP
*NODE
*NGEN,NSET=LEFT
*NGEN,NSET=RIGHT
*NFILL,NSET=ALL
LEFT,RIGHT,2,1
*NSET,NSET=BOTTOM,GENERATE
**
** ELEMENT DEFINITION
**
*ELEMENT,TYPE=CPS8R,ELSET=CREEP
*SOLID SECTION,ELSET=CREEP,MATERIAL=STEEL
*MATERIAL,NAME=STEEL
*ELASTIC
200.E3,0.3
*CREEP,LAW=TIME
3.125E-14,5.
*BOUNDARY
1,1,2
3,2
2,2
**
**
**
*STEP
 PRESCRIBED TENSILE STRESS
*STATIC
1.E-7,1.E-6
*CLOAD
2,1,-6666.667
3,1,-1666.667
6,2,6666.667
9,2,1666.667
9,1,1666.667
8,1,6666.667
7,1,1666.667
7,2,-1666.667
*EL PRINT,FREQ=10
CE,S
CENER,
*NODE PRINT,FREQ=10
U,
*OUTPUT,FIELD
*ELEMENT OUTPUT
CE,
*END STEP
*STEP,INC=40
 STRESS RELAXATION
*VISCO,CETOL=5.E-4
1.E-6,1000.
*EL PRINT
CE,S
CENER,
*EL FILE
CE,
*NODE PRINT
U,
*END STEP