Volume 23, Issue 1 (7-2004)
2004, 23(1): 147-161 |
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R. Naghdabadi and A. Saeedi. A Corotational Elastic Constitiutive Model and its Application to the Analysis of a Large Deformation Closed Cycle. Journal of Advanced Materials in Engineering (Esteghlal) 2004; 23 (1) :147-161
URL: http://jame.iut.ac.ir/article-1-307-en.html
URL: http://jame.iut.ac.ir/article-1-307-en.html
Abstract: (5875 Views)
In this paper, an elastic constitutive model based on the Eulerian corotational rate of the logarithmic strain tensor is proposed. Using this model, the large deformation of a closed cycle containing tension, shear, compression and inverse shear is analyzed. Since the deformation path includes a closed cycle and the material is considered as an isotropic elastic material, the normal and shear components of the stress at the end of the cycle must vanish. Using conventional constitutive models, the non-zero solution for the stress components is obtained. Using the proposed constitutive model, the normal and shear components of stress at the end of the cycle are obtained to be exactly equal to zero.
