*Heading
** DSA, small-sliding contact with discrete rigid surface
o Slave surface shape is design dependent
o no friction
**
** PART INSTANCE: SOLID
**
*Dsa Controls, Tol=1.E-5
*Parameter
shape=0.0
dp=1.0
d1=0.001
c1=80.0*dp
*Design Parameter
shape,dp
*Parameter Shape Variation, parameter=shape
7, 0.0, 1.0, 0.0
9, 0.0, 1.0, 0.0
*System
0.,        -0.1,          0.,          1.,        -0.1,          0.
*Node
1,           0.,           0.
2,           1.,           0.
3,           2.,           0.
4,           0.,           1.
5,           1.,           1.
6,           2.,           1.
7,           0.,           2.
8,           1.,           2.
9,           2.,           2.
*Element, type=CPE4
1, 1, 2, 5, 4
2, 2, 3, 6, 5
3, 4, 5, 8, 7
4, 5, 6, 9, 8
*Elset, elset=solid, generate
1,  4,  1
** Section: Section-1
*Solid Section, elset=solid, material=hyper
1.,
** ----------------------------------------------------------------
**
** PART INSTANCE: RIGID DIE
**
*System
0.,     2.85235,          0.,          1.,     2.85235,          0.
*Node
10,           3.,         -0.5
11,       2.0154,    -0.763589
12,           1.,     -0.85235
13,   -0.0154002,    -0.763589
14,          -1.,         -0.5
15,           1.,     -0.85235
*Element, type=R2D2
5, 10, 11
6, 11, 12
7, 12, 13
8, 13, 14
*Nset, nset=ref
15,
*Elset, elset=die, generate
5,  8,  1
*Rigid Body, ref node=ref, elset=die
*System
**
** MATERIALS
**
*Material, name=hyper
*Hyperelastic
<c1>,   20., <d1>
**
** INTERACTION PROPERTIES
**
*Surface Interaction, name=IntProp-1
*Elset, elset=bot_die, generate
5,  8,  1
*Surface ,type=elem, name=master
bot_die, SPOS
*Elset, elset=top_solid
3, 4
*Surface, type=elem,name=slave
top_solid, S3
*Contact Pair, interaction=IntProp-1, small sliding, TYPE=SURFACE TO SURFACE
slave,master
** ----------------------------------------------------------------
**
** STEP: Step-1
**
*nset,nset=bc
1,2,3,15
*Step, nlgeom, dsa
Step-1
*Static
0.1, 1.,
*Boundary
1,1,2
2,2,2
3,2,2
15,1,1,0.0
15,6,6,0.0
15,2,2,-0.3
***
*** Response Definition
***
*Output,field,freq=0
*Output,history,freq=0
*Design response,freq=6
*node response
u
*node response,nset=bc
rf
*element response
s
*contact response
cstress
*End Step