[MOAB-dev] Cohesive elements

Gerd Heber gheber at hdfgroup.org
Wed Jul 16 10:42:03 CDT 2014


Has anyone tried to represent cohesive elements* in MOAB?
Should we fall back to (degenerate) polyhedra or just
use the built-in triangles and quadrilaterals (and "double up")?

Thanks for your comments.
G.

* Topologically they are pairs of triangles or quadrilaterals
with linear or quadratic shape functions. Their constitutive
law is such that they seize to carry load beyond a certain
limit, at which point they separate. They should be treated like
3D elements, although they have no volume/thickness.


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