*HEADING
	2-D ELEMENT IN CONTACT WITH ANOTHER DEFORMABLE 2-D ELEMENT.
	NORMALS ARE MODIFIED. VERIFICATION FOR *CLEARANCE OPTION.
*NODE
1,
2,1.,
3,1.,1.05,
4,,1.05
11,-1.,1.0
12,2.,1.0
13,2.,3.
14,-1.,3.
*ELEMENT,TYPE=CPE4,ELSET=BOT
1,1,2,3,4
*ELEMENT,TYPE=CPE4,ELSET=TOP
11,11,12,13,14
*SOLID SECTION,ELSET=TOP,MATERIAL=MAT
*SOLID SECTION,ELSET=BOT,MATERIAL=MAT
*MATERIAL,NAME=MAT
*ELASTIC
3.E7,0.0
*surface,NAME=TOPS
TOP,S1
*surface,type=node,NAME=SECONDARY
3,1.0
4,1.0
*CLEARANCE,SECONDARY=SECONDARY,MAIN=TOPS,TABULAR
3,0.0,1.,1.
4,0.0,1.,1.
*SURFACE INTERACTION,NAME=ISLS
*CONTACT PAIR,INTERACTION=ISLS, SMALL SLIDING
SECONDARY,TOPS
*BOUNDARY
1,1,2
2,1,2
13,2,2
14,1,2
*STEP,INC=50,NLGEOM
*STATIC
0.1,1.0
*BOUNDARY
11,2,2,-0.2
12,2,2,-0.2
*PRINT,CONTACT=YES
*OUTPUT, FIELD, FREQ=100
*NODE OUTPUT
U,RF
*ELEMENT OUTPUT
S, 
E, 
*ENDSTEP