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Finite Elasticity
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Debugging a finite elasticity problem
last edited 3 years ago by glennr
Finite elasticity models are usually pretty complex and inevitably your problem will be much more complex than the examples and so it is likely that you will run into problems.
Two good approaches to debugging a model are the "divide and conquer" approach and the "incremental development" approach.
Divide and conquer
In this appoach you simple revert parts of your model back to something that is known to work, one by one until the error goes away.
Incremental development
In this approach you start with something that is known to work and add stuff until it breaks.
Some notes
How to get diagnostic information:
fem list stress element ne at ng;
where ne is the element numbeer and ng is the gauss point number.
If more information is needed:
set diagnostics on; fem list stress element ne at ng; set diagnostics off;