The inf-sup test

Abstract : We briefly review the inf-sup condition for the finite element solution of problems in incompressible elasticity, and then propose a numerical test on whether the inf-sup condition is passed. The evaluation of elements with this test is simple, and various results are presented. This inf-sup test will prove useful for many discretizations of constrained variational problems.
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https://hal.inria.fr/hal-00839728
Contributor : Dominique Chapelle <>
Submitted on : Saturday, June 29, 2013 - 4:52:59 PM
Last modification on : Tuesday, January 23, 2018 - 11:24:03 PM

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Dominique Chapelle, Klaus-Jürgen Bathe. The inf-sup test. Computers and Structures, Elsevier, 1993, 47 (4-5), pp.537-545. ⟨10.1016/0045-7949(93)90340-J⟩. ⟨hal-00839728⟩

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