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Improved element stresses for node and element patches using superconvergent patch recovery (1995)

Wiberg, N.-E. ; Abdulwahab, F. ; Ziukas, S.

Chichester : Wiley-Blackwell

Communications in Numerical Methods in Engineering 11 (1995), S. 619-627

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ISSN: 1069-8299

Keywords: post processing ; node patch ; element patch ; superconvergence ; Engineering ; Engineering General

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Mathematics , Technology

Notes: Methods to calculate improved postprocessed stresses in elements for the superconvergent patch recovery technique are developed. Based on improved stresses on node patches, the improved element stresses are obtained by using weighting of patch solutions from different patch assembly points. An alternative method is to directly calculate the element stresses for an element patch based on weighted information. Numerical examples show that the performances of the two procedures are of about the same quality.

Additional Material: 9 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/cnm.1640110708

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