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Topic: oofem-1.7- bugs in orthotropic material and quadratic 3d element

Two errors have been found in oofem-1.7, as reported and fixed by  Douglas Beaton.

- The orthotropic material implementation: Poisson's ratios were not computed correctly
- Quadratic 3D element: wrong term in strain-displacement matrix

The changes are already posted to svn repository.
Users using distribution version should update manually, by
replacing  sm/src/ortholinearelasticmaterial.C and sm/src/qspace.C by following files:

http://oofem.org/svn/tags/rel-1.7/sm/sr … material.C
http://oofem.org/svn/tags/rel-1.7/sm/src/qspace.C