*HEADING PDEBCRGAX: DEBONDING OF AN AXISYMMETRIC INTERFACE VIA CRACK LENGTH VERSUS TIME CRITERION *RESTART,WRITE,FREQ=1 *NODE 1,2.0, 0.0 121,14., 2001,2.0,10. 2121,14.,10. 2,2.0, 122,14. 999, 14.0, 0.0 *NGEN,NSET=BOT 1,121,10 *NGEN,NSET=BOT2 11,121,10 *NGEN,NSET=TOP 2001,2121,10 *NFILL BOT,TOP,4,500 *NSET, NSET=TERM2,GEN 41,101,20 *ELEMENT,TYPE=CAX4 1,1,21,1021,1001,11,521,1011,501 *ELGEN,ELSET=SOLID 1,6,20,20,2,1000,1000 *SOLID SECTION,ELSET=SOLID,MAT=ELASTIC 1., *MATERIAL,NAME=ELASTIC *ELASTIC 5.E7,.3 ** *** Contact definitions. ** *rigid body,analytical surface=ASURF, REF NODE=999 *surface,TYPE=SEGMENTS,NAME=ASURF START,-1.0, 0.0 LINE, 15.0, 0.0 *ELSET, ELSET=BOT 21,41,61,81,101 *surface, NAME=BSURF BOT, S1 *SURFACE INTERACTION, NAME=BOTH 1.0, *CONTACT PAIR,INTERACTION=BOTH,SMALL SLIDING BSURF, ASURF *NSET,NSET=NREF 121, *** **** Nodeset defining the bonded portion of the surface *** *NSET, NSET=BOND 21,41,61,81 *INITIAL CONDITIONS, TYPE=CONTACT, NORMAL BSURF,ASURF,BOND *ELSET, ELSET=TOPDL, GEN 1001, 1101, 20 ** *STEP,INC=20 *STATIC 0.0008, 0.002 *BOUNDARY 1,2 999, 1, 2 999, 6 *DLOAD TOPDL, P3, -5.E05 *DEBOND,SLAVE=BSURF,MASTER=ASURF,TIME INC=.0001, FREQUENCY=1,OUTPUT=BOTH 0.,1. .0005,0., *FRACTURE CRITERION,TYPE=CRACK LENGTH,TOLERANCE=0.01, NSET=NREF 7.4374E-04, 4.0 8.6092E-04, 6.0 9.1743E-04, 8.0 9.2161E-04, 10.0001 *ENERGY PRINT *EL PRINT S, E, *CONTACT PRINT CSTRESS,CDISP DBT,DBSF,DBS *EL PRINT,ELSET=SOLID S,E *OUTPUT,FIELD *CONTACT OUTPUT, VARIABLE=ALL CSTRESS,CDISP DBT,DBSF,DBS *OUTPUT,FIELD *ELEMENT OUTPUT,ELSET=SOLID S, E *END STEP