If you define a node or element path along the interface in Abaqus viewer, you can plot the stress or displacement along the path at different time and save them as ASCII files. Whith such information, you should be able to determine where is the crack tip at different time. No extra effort is needed in the input file in this case. 

Alternative, you can write properties of cohesive elements by adding a command like "*Element Output, FILE ....."  to do the same thing. I can not remember the exact definition but it is easy to find in Abaqus manual.

Hi Sir(s)

I am a new user for ABAQUS and looking for D-P model and i do need to simulate saturated sand to study the liquefaction phenomenon. So can any body tell me how i can use D-P model to simulate pore water pressure.

Thanks

Ayman

Hi all

Please could any one help me to solve the messeage error, every time to run the Abaqus to simulate CPT in sand i got that message (The elements in element set ErrElemZeroALEMass-Step1 have zero or negative mass.

The elements contained in element set ErrElemExcessDistortion-Step1 have distorted excessively.

Abaqus/Explicit Analysis exited with an error - Please see the  status file for possible error messages if the file exists.)

Please help me?

Ayman

hello,

Please could any person help me, i search to model an adhesively bonded lap joint using ABAQUS 2D : i use cohesive section for the adhesive the cohesive with continuum response, and i use beam truss section for adherent in this step i have problem i can't signed a section. In interaction module i use tie constraint with the adherent master and the adhesive slave.

this is my adress email haouasmouna@yahoo.fr, when you can send me some articels who can hepl me

thank you for all

bye 

hello ,

only i commit an error, i said i can't signed a section=i can't assigned a section

thank you