*HEADING
 CRACK GROWTH IN A THREE POINT BEND SPECIMEN:
 CRACK LENGTH CRITERION.
**
** Input file defining the model data.
**
*INCLUDE, INPUT=crackgrowth_model.inp
**           
** step  1: Load the specimen
**      
*STEP,NLGEOM    
**      
*STATIC 
0.001, 1.0      
**
*** load application    
**      
*BOUNDARY       
9997, 1, 1, 1.0 
*CONTACT CONTROLS,FRICTION ONSET=DELAY
*EL PRINT,FREQUENCY=0
*NODE PRINT,FREQUENCY=0
*CONTACT PRINT ,SLAVE=DBDSL,MASTER=DBDMS 
DBT, DBSF, DBS  
*CONTACT FILE,FREQUENCY=10
CSTRESS, CDISP
*CONTACT FILE,FREQUENCY=10,SLAVE=DBDSL,MASTER=DBDMS
DBT, DBSF, DBS  
*PRINT, CONTACT=YES     
*EL PRINT,FREQUENCY=0
*NODE PRINT,FREQUENCY=0
*END STEP       
**
*** Step 2: Debond the bonded nodes
**
** Use the following lines if the analysis
** is to be run through to completion.
**
**STEP,NLGEOM,INC=500
**STATIC
**0.005, 1.951, 0.00001, 0.05
**BOUNDARY
**9997, 1, 1, 2.951
**
*STEP,NLGEOM,INC=750
*STATIC
0.005, 0.4, 0.00001, 0.05
*BOUNDARY
9997, 1, 1, 1.4
**
*DEBOND,SLAVE=DBDSL,MASTER=DBDMS,
TIME INCREMENT=.001,OUTPUT=BOTH,FREQUENCY=1
0.0   , 1.0
0.005, 0.0
*FRACTURE CRITERION, TYPE=CRACK LENGTH, NSET=REF,
TOLERANCE=0.1
 1.000001, 0.000000001, 
 1.256, 0.097,  
 1.416, 0.181,  
 1.577, 0.284,
 1.737, 0.404,  
 1.898, 0.541,  
 2.058, 0.696,  
 2.114, 0.751,
 2.190, 0.830,  
 2.263, 0.909,  
 2.332, 0.988,  
 2.398, 1.067,
 2.461, 1.146,  
 2.521, 1.225,  
 2.577, 1.304,  
 2.631, 1.383,
 2.681, 1.462,  
 2.727, 1.541,  
 2.771, 1.620,  
 2.811, 1.699,
 2.848, 1.778,  
 2.881, 1.857,  
 2.912, 1.936,  
 2.939, 2.015,
 2.951, 2.054
*CONTROLS, PARAMETERS=FIELD, FIELD=DISPLACEMENT
 , 0.1
*CONTACT FILE,FREQUENCY=10
CSTRESS, CDISP
*CONTACT FILE,FREQUENCY=10,SLAVE=DBDSL,
MASTER=DBDMS
DBT,DBSF, DBS
*CONTACT PRINT
CSTRESS, CDISP
*CONTACT PRINT,SLAVE=DBDSL,MASTER=DBDMS
DBT,DBSF,DBS
*PRINT, CONTACT=YES
*EL PRINT,FREQUENCY=0
*NODE PRINT,FREQUENCY=0
*END STEP