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,
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| 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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| 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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