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An alpha modification of Newmark's method (1980)

Wood, W. L. ; Bossak, M. ; Zienkiewicz, O. C.

Chichester [u.a.] : Wiley-Blackwell

International Journal for Numerical Methods in Engineering 15 (1980), S. 1562-1566

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ISSN: 0029-5981

Keywords: Engineering ; Engineering General

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Mathematics , Technology

Notes: This paper discusses the Bossak-Newmark algorithm, which is an extension of the well-known Newmark algorithm1 for the numerical integration of the equations of discretized structural dynamics problems. The extra parameter introduced here enables the method (when used on the test equation ẍ = -ω2x) to be simultaneously second order, unconditionally stable and with positive artificial damping.Comparisons are made with another modification of Newmark introduced by Hilber, Hughes and Taylor2.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/nme.1620151011

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