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Digitale Medien

Computational limit analysis of rigid-plastic bodies in plane strain (1993)

Zhang, Yuan-Gao ; Zhang, Pi-Xin ; Lu, Ming-Wan

Springer

Acta mechanica solida Sinica 6 (1993), S. 341-348

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Details

ISSN: 0894-9166

Schlagwort(e): limit analysis ; mathematical programming ; finite element method

Quelle: Springer Online Journal Archives 1860-2000

Thema: Maschinenbau , Physik

Notizen: Abstract This paper deals with the computational methods for limit analysis of plane strain problems. The finite element mathematical programming formula (FE-MPF) for determining the upper bound load multiplier established by the authors earlier is adopted and modified for plane strain problems. The penalty method is used to impose the incompressibility constraint. The FE-MPF is solved by a direct iteration procedure without the need of a searching process. This algorithm is not sensitive to the volumetric locking effect. And it can be easily extended to the limit analysis of three dimensional problems. The results of numerical examples are satisfactory and show the stable convergency of the present algorithm.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02208020

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