Hey Kyunghoon,
If you are using FEMSystem, see
element_postprocess.C and side_postprocess.C in this example:
libmesh/examples/adjoints/adjoints_ex1 (
http://libmesh.sourceforge.net/adjoints_ex1.php)
If you are not using FEMSystem, I believe all you will have to do is to
write a loop over all elements, and then adapt the contents of
element/side_postprocess.C to the interior of that loop.
Thanks.
On Sat, Jun 23, 2012 at 9:34 PM, Kyunghoon Lee
<aeronova.mail...@gmail.com>wrote:
> Hi all,
>
> I wonder what is the best way of computing strain and stress values with
> displacements obtained by solving linear elasticity problems. I can simply
> follow displacement-strain and strain-stress relationships (using finite
> difference to compute gradients), but I guess it would be more natural to
> use basis function information. I'd appreciate it if someone can suggest
> me some reference examples.
>
> K. Lee.
>
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--
Vikram Garg
PhD Candidate
Institute for Computational and Engineering Sciences
The University of Texas at Austin
http://users.ices.utexas.edu/~vikram/
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