Skip to main content

history output coordinate of crack tip in Abaqus XFEM

Submitted by Wang Lei on

Can anyone help on how to output the cooridinate of crack tip in Abaqus XFEM as a history output? For example, a output like

t x y z 

is expected.

 

I know the Abaqus use two level-set functions to determine the coordinate of crack tip. When both PHILSM and PSILSM vanish, Abaqus has the coordinate of crack tip. I can output both PHILSM and PSILSM as field output. And the crack can be explicitly shown in the viewer. But how can I extract this information as X-Y data. 

 

A more general question: is possible to request history output subject to some condition in CAE? For example, output COORDINATE such that PHILSM=0 and PSILSM=0.

 

Thanks.

 

Best wishes,

Lei