*HEADING
DEBONDING OF AN INTERFACE VIA CRITICAL STRESS CRITERION
*** 2nd order elements.
*RESTART,WRITE,FREQ=1
*NODE
1,
13,12.,
201,,10.
213,12.,10.
999, 12.0,0.0
*NGEN, NSET=BOT
1, 13
*NGEN,NSET=TOP
201,213
*NFILL
BOT,TOP,4,50
*ELEMENT,TYPE=CPE8
1,1,3,103,101, 2,53,102,51
*ELGEN,ELSET=SOLID
1,6,2,1,2,100,100
*SOLID SECTION,ELSET=SOLID,MAT=ELASTIC
1., 
*MATERIAL,NAME=ELASTIC
*ELASTIC
1.E6,.3
**
*** Contact definitions.
**
*rigid body,analytical surface=ASURF, REF NODE=999 
*surface,TYPE=SEGMENTS,NAME=ASURF
START,-1.0, 0.0
LINE, 10.1, 0.0
**
*** Contact definitions.
**
*ELSET, ELSET=BOT, GEN
1,5
*surface, NAME=BSURF
BOT, S1
*SURFACE INTERACTION, NAME=BOTH
1.0, 
*CONTACT PAIR,INTERACTION=BOTH,SMALL SLIDING
BSURF, ASURF
**
*** End contact definitions.
**
*NSET, NSET=NREF
1, 
**
*** Node set definition for bonded nodes
*NSET, NSET=BOND, GEN
5,11
*INITIAL CONDITIONS, TYPE=CONTACT, NORMAL
BSURF,ASURF,BOND
**
*** step definitions
**
**
*STEP,INC=30
*STATIC
8.0E-04,0.00287
*BOUNDARY
201,2,2,1.
202,2,2,1.
203,2,2,1.
12, 2
13, 1, 2
999, 1, 2
999, 6
*DEBOND,SLAVE=BSURF,MASTER=ASURF,TIME INC=.0002, FREQUENCY=1,OUTPUT=BOTH
0.,1.
.0002,0.,
*FRACTURE CRITERION,TYPE=CRITICAL STRESS,TOLERANCE=0.05,DISTANCE=0.0
4.5E+4,1.E12,1.E12
*ENERGY PRINT
*CONTACT PRINT
CSTRESS,CDISP
DBT,DBSF,DBS
*EL PRINT,ELSET=SOLID
S, E
*OUTPUT,FIELD
*CONTACT OUTPUT, VARIABLE=ALL
CSTRESS,CDISP
*OUTPUT,FIELD
*ELEMENT OUTPUT
S, E
*END STEP