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Convergence of stress maxima in finite element computations

✍ Scribed by Yosibash, Zohar ;Szabó, Barna A.

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
716 KB
Volume
10
Category
Article
ISSN
1069-8299

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✦ Synopsis

The convergence of stress maxima, computed directly from finite element solutions, is investigated with respect to a family of exact solutions characterized by varying degrees of smoothness. The performances of h-and p-extensions and the product and trunk spaces are evaluated and documented with respect to a family of benchmark problems. In uniform p-extensions a characteristic pattern in the convergence of stress maxima was observed. There does not appear to be a clear-cut advantage of the product space over the trunk space in this respect. The much faster convergence of stress maxima in the case of p-extensions, as compared with h-extensions, is evident from the results.

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