A new fictitious time for the dynamic relaxation (DXDR) method

Kadkhodayan, A. and Alamatian, J. and Turvey, G. J. (2008) A new fictitious time for the dynamic relaxation (DXDR) method. International Journal for Numerical Methods in Engineering, 74 (6). pp. 996-1018. ISSN 0029-5981

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Abstract

This paper addresses the development of the DXDR method by introducing a modified fictitious time (MFT) increment. The MFT is determined by minimizing the residual force after each iteration. The rank of the convergence rate shows the advantage of the new method. The results obtained from plate and truss analyses demonstrate the potential of the new method. It is shown that, compared with a unit fictitious time, the MFT is more efficient, especially during the initial iterations. Moreover, MFT does not impose any additional constraints on the DXDR method.

Item Type:
Journal Article
Journal or Publication Title:
International Journal for Numerical Methods in Engineering
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2600/2612
Subjects:
ID Code:
60695
Deposited By:
Deposited On:
14 Dec 2012 09:58
Refereed?:
Yes
Published?:
Published
Last Modified:
27 Oct 2020 03:48