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Numerical integration of rate constitutive equations in finite deformation analysis

Pinsky, Peter M. and Ortiz, Miguel and Pister, Karl S. (1983) Numerical integration of rate constitutive equations in finite deformation analysis. Computer Methods in Applied Mechanics and Engineering, 40 (2). pp. 137-158. ISSN 0045-7825. https://resolver.caltech.edu/CaltechAUTHORS:20180105-152657675

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Abstract

In analysis of finite deformation problems the use of constitutive equations in rate form is often required. In a spatial setting, these equations may express a relationship between some objective rate of spatial stress tensor and the rate of deformation. Constitutive equations of this type characterize a variety of material models including hyperelasticity, hypoelasticity and elastoplasticity. Employing geometrical concepts, a family of unconditionally stable and incrementally objective algorithms is proposed for the integration of such rate constitutive equations. These algorithms, which are appropriate for finite deformation analysis, are applicable to any choice of stress rate and, in most cases, employ quantities that arise naturally in the context of finite element analysis. Examples illustrate the objectivity and accuracy of the algorithms,


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1016/0045-7825(83)90087-7DOIArticle
https://www.sciencedirect.com/science/article/pii/0045782583900877PublisherArticle
ORCID:
AuthorORCID
Ortiz, Miguel0000-0001-5877-4824
Additional Information:© 1983 Elsevier. Received 18 May 1982. Revised manuscript received 25 February 1983. The authors would like to thank Professors R.L. Taylor and T.J.R. Hughes for helpful discussions. Grants for the support of this work from the Lawrence Livermore National Laboratory and General Motors Research Laboratories are gratefully acknowledged.
Group:GALCIT
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Funding AgencyGrant Number
Lawrence Livermore National LaboratoryUNSPECIFIED
General Motors Research LaboratoryUNSPECIFIED
Issue or Number:2
Record Number:CaltechAUTHORS:20180105-152657675
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180105-152657675
Official Citation:Peter M. Pinsky, Miguel Ortiz, Karl S. Pister, Numerical integration of rate constitutive equations in finite deformation analysis, In Computer Methods in Applied Mechanics and Engineering, Volume 40, Issue 2, 1983, Pages 137-158, ISSN 0045-7825, https://doi.org/10.1016/0045-7825(83)90087-7. (http://www.sciencedirect.com/science/article/pii/0045782583900877)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:84150
Collection:CaltechAUTHORS
Deposited By: Lydia Suarez
Deposited On:08 Jan 2018 19:33
Last Modified:24 Feb 2020 10:30

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