*HEADING
STEADY STATE DYNAMICS,DIRECT VERIFICATION OF CIN3D8 USING DASHPOTS
*NODE
1,0.,0.
2,0.,-1.
3,1.,0.
4,1.,-1.
5,0.,0.,1
6,0.,-1.,1.
7,1.,0.,1.
8,1.,-1.,1.
*NSET,NSET=NALL,GENERATE
1,8,1
*NSET,NSET=BOT
2,4,6,8
*NSET,NSET=TOP,GENERATE
1,7,2
*ELEMENT,TYPE=C3D8,ELSET=FE
1,6,8,4,2,5,7,3,1
*SOLID SECTION,ELSET=FE,MATERIAL=ONE
*MATERIAL,NAME=ONE
*ELASTIC
1.,.1
*DENSITY
.01, 
*ELEMENT,TYPE=DASHPOT1,ELSET=DPOT2
101,2
*DASHPOT,ELSET=DPOT2
2, 
0.0252824, 
*ELGEN,ELSET=DPOT2
101,4,2,1
*ELEMENT,TYPE=DASHPOT1,ELSET=DPOT1
201,2
*DASHPOT,ELSET=DPOT1
1, 
0.0168549, 
*ELGEN,ELSET=DPOT1
201,4,2,1
*RESTART,WRITE,FREQUENCY=1
*STEP
*STEADYSTATEDYNAMICS,DIRECT,FREQUENCY SCALE=LINEAR
0.01,0.04,4,1
*BOUNDARY
NALL,1,1
NALL,3,3
TOP,2,2,1.E-4
*OUTPUT,HISTORY,FREQUENCY=1
*ENERGY OUTPUT
*ENERGY PRINT
*EL PRINT,FREQUENCY=0
*NODE PRINT
U, 
PU, 
*OUTPUT,FIELD
*NODE OUTPUT
U, 
*END STEP
*STEP
*STEADYSTATEDYNAMICS,DIRECT,FREQUENCY SCALE=LINEAR
0.01,0.04,4,1
*BOUNDARY,OP=NEW
NALL,2,3
TOP,1,1,1.E-4
*OUTPUT,HISTORY,FREQUENCY=1
*ENERGY OUTPUT
*ENERGY PRINT
*EL PRINT,FREQUENCY=0
*NODE PRINT
U, 
PU, 
*OUTPUT,FIELD
*NODE OUTPUT
U, 
*END STEP