*HEADING
 USE TIE CONSTRAINT TO TIE CAX4 ELEMENT WITH SAX1 ELEMENT
 Modified from psa2sxrev1
 File name: xtie_cax4_to_sax1
*NODE, NSET=NALL
1,2
2,3
3,3,0.5
4,2,0.5
5,2,0.5
6,3,0.5
7,3,1
8,2,1
*ELEMENT,TYPE=CAX4,ELSET=SOLID
1,1,2,3,4
2,5,6,7,8
*ELEMENT,TYPE=SAX1,ELSET=SHELL
3,3,4
*SOLID SECTION, ELSET=SOLID, MATERIAL=SOFT
*SHELL SECTION, ELSET=SHELL, MATERIAL=SOFT
0.1
*REBAR LAYER,GEOMETRY=ANGULAR
 REBAR1,0.1,23.07,0,STIFF,90,1
 REBAR2,0.1,23.07,0,STIFF,0,1 
*MATERIAL, NAME=SOFT
*ELASTIC
1.E4,0.3
*MATERIAL, NAME=STIFF
*ELASTIC
1.E6, 0.3
*SURFACE,NAME=S1
3,SPOS
*SURFACE,NAME=S2
2,S1
*TIE,NAME=TIE,ADJUST=NO
S2,S1
*NSET,NSET=N1
1
*NSET,NSET=N2
2
*NSET,NSET=N4
4
*NSET,NSET=N8
8
*NSET,NSET=N7
7
*ELSET,ELSET=E2
2
*NSET,NSET=NHOOP
1,2,3,4,7,8
*RESTART,W
*STEP
*STATIC
1.0,1.0
*BOUNDARY
N1,1,2
N2,2,2
N4,1,1
N8,1,1
*DLOAD
E2,P3,10.
*NODEFILE
U
RF
*ELFILE
S
E
*ELFILE,REBAR
S
E
*ENDSTEP