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Comparison of strain recovery techniques for the mixed iterative method (1993)

Červenka, Jan ; Keating, Scott C. ; Felippa, Carlos A.

Chichester : Wiley-Blackwell

Communications in Numerical Methods in Engineering 9 (1993), S. 925-932

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ISSN: 1069-8299

Keywords: Engineering ; Engineering General

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Mathematics , Technology

Notes: Three strain recovery techniques are investigated in the framework of the mixed iterative method. The need for appropriate strain recovery for low-order elements is shown. The three techniques compared are: C-lumping, strain-smoothing and a new technique called C-splitting. It is shown that the use of C-lumping has negative effects on the convergence of the mixed iterative method. Both strain-smoothing and C-splitting deliver convergent results, but the new technique converges faster.

Additional Material: 4 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/cnm.1640091109

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