Steve asked:

>How about "nonlinear cross-anisotropic behavior"?<

I tend to focus more on the modulus of rupture. It's one thing to exceed the
limits of the modulus of elasticity and end up no longer being comfortable
that your old friend elasticity will keep things where they belong and that
mean old plastic set occurs, but piling it on to the point where the modulus
of rupture is exceeded might mean loosing a perfectly good client...quite
literally.

I've always found it interesting that failure in bending in an anisotropic
material like wood occurs as compressive failure first and tensile failure
second. It make sense when you look at the numbers but is counter intuitive
in the real world when observing broken beams in old wooden structures.

Rude E 

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