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Numerical stability and constitution analysis of λ-type incompatible elements (1991)

Wu, Changchun ; Cheung, Y. K.

Chichester [u.a.] : Wiley-Blackwell

International Journal for Numerical Methods in Engineering 31 (1991), S. 1669-1682

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ISSN: 0029-5981

Keywords: Engineering ; Engineering General

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Mathematics , Technology

Notes: The weak connection conditions and an independence principle for internal displacements which can guarantee the numerical stability of the incompatible element solution are presented in this paper. A number of problems such as the uncoupling of the two types of displacement functions in the λ-type element, zero energy modes, etc., have been investigated. Some simple and practical guidelines for establishing trial functions of non-compatible elements are given.

Additional Material: 6 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/nme.1620310814

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