*HEADING
 USE TWO PAIRS OF TIE CONSTRAINTS IN TWO-DIMENSIONS
 TYPE=SURFACE TO SURFACE
 File name: xtie_xpl_solid_2d_2ties_ss
*preprint,model=yes,contact=debug
*NODE, NSET=NALL
*ELEMENT,TYPE=CPE4R,ELSET=SOLID
*SOLID SECTION, ELSET=SOLID, MATERIAL=SOFT
*MATERIAL, NAME=SOFT
*ELASTIC
1.E4,0.3
*DENSITY
1.E-2,
*SURFACE,NAME=M
*SURFACE,NAME=S2
*SURFACE,NAME=S3
*TIE,TYPE=SURFACE TO SURFACE,NAME=TIE1,POSITION TOLERANCE=0.005
S2,M
S3,M
S3,S2
**S2,M
**S3,M
*BOUNDARY
1,1,2
2,2
*AMPLITUDE,NAME=AMP,DEFINITION=SMOOTH STEP
0.0,0.0,20.E-3,1.0,1.0,1.0
*NSET, NSET=QA_TEST
NALL,
*STEP
*DYNAMIC, EXPLICIT
,20.E-3
*BOUNDARY,AMPLITUDE=AMP
19,1,2,0.1
*DLOAD
2,P3,-10.
3,P3,-10.
*OUTPUT,FIELD,NUMBER=5
*NODE OUTPUT
U,
*ELEMENT OUTPUT
S,MISES,
**************************
*OUTPUT,FIELD,NUMBER=1
*NODE OUTPUT, NSET=QA_TEST
U,
**OUTPUT,HISTORY,FREQ=1
***NODE OUTPUT,NSET=NALL
**U,V,A
***ENERGY OUTPUT
**ALLKE,ALLIE,ALLWK,ALLAE,ETOTAL
*ENDSTEP