Solution of quasistatic, forcedriven problems by means of a dynamicexplicit approach and an adaptive loading procedure

Argues that the dynamicexplicit approach has in recent years been successfully applied to the solution of various quasistatic, elasticplastic problems, especially in the metal forming area. A condition for the success has, however, been that the problems have been displacementdriven. The solution of...

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Bibliographic Details
Published in:Engineering computations 1996-03, Vol.13 (2/3/4), p.172-189
Main Authors: Mattiasson, Kjell, Bernspng, Lars, Samuelsson, Alf
Format: Article
Language:English
Subjects:
Dynamicexplicit methodology
Elasticity
Metal forming
Plasticity
Quasistatic processing
Online Access:Get full text
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Summary:Argues that the dynamicexplicit approach has in recent years been successfully applied to the solution of various quasistatic, elasticplastic problems, especially in the metal forming area. A condition for the success has, however, been that the problems have been displacementdriven. The solution of similar forcedriven problems, using this approach, has been shown to be much more complicated and computationally time consuming because of the difficulties in controlling the unphysical dynamic forces. Describes a project aiming to develop a methodology by which a forcedriven problem can be analysed with similar computational effort as a corresponding displacementdriven one. To this end an adaptive loading procedure has been developed, in which the loading rate is controlled by a prescribed velocity norm. Presents several examples in order to exhibit the merits of the proposed procedure.
ISSN:0264-4401
DOI:10.1108/02644409610114521