*HEADING
 : NAFEMS CREEP BENCHMKS 3D TRIAXIAL DISP (C3D20R)
 TEST 6(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=XY-PLANE
LEFT,RIGHT,2,1
*NCOPY,CHANGE NUMBER=20,OLD SET=XY-PLANE,SHIFT
0.,0.,-50.

*NCOPY,CHANGE NUMBER=30,OLD SET=XY-PLANE,SHIFT,NEW SET=FACE5
0.,0.,-100.

*NSET,NSET=YZ-PLANE
1,4,7,21,24,27,31,34,37
*NSET,NSET=XZ-PLANE
1,2,3,21,22,23,31,32,33
*NSET,NSET=FACE4
3,6,9,23,26,29,33,36,39
*NSET,NSET=FACE2
7,8,9,27,28,29,37,38,39
**
** ELEMENT DEFINITION
**
*ELEMENT,TYPE=C3D20R,ELSET=CREEP
1,1,3,33,31,7,9,39,37,2,23,32,21,8,29,38,27,4,6,36,34
*SOLID SECTION,ELSET=CREEP,MATERIAL=STEEL
*MATERIAL,NAME=STEEL
*ELASTIC
200.D3,0.3
*CREEP,LAW=TIME
3.125D-14,5.
*BOUNDARY
YZ-PLANE,1,1
XZ-PLANE,2,2
XY-PLANE,3,3
**
**
*STEP
  STEP 1 PRESCRIBED DISPLACEMENT
*STATIC
1.E-7,1.E-6
*BOUNDARY
FACE2,2,2,0.2
FACE4,1,1,0.3
FACE5,3,3,-0.1
*EL PRINT
S, 
SINV, 
CE, 
*NODE PRINT
U, 
*END STEP
**  STEP 2 --- RELAXATION
*STEP,INC=500
 PRESCRIBED DISPLACEMENT
*VISCO,CETOL=1.E-4
1.E-6,1000.,
*EL PRINT,FREQ=5
S, 
SINV, 
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,
*NODE PRINT,FREQ=5
U, 
*END STEP