Abstract
On the basis of the one-dimensional Schapery representation for non-linear viscoelasticity, a three-dimensional constitutive model incorporating the effects of temperature and physical ageing is developed for isotropic non-linear viscoelastic materials. Adopting the assumption that the hydrostatic and deviatoric responses are uncoupled, the contitutive equation is expressed in incremental form for both compressible and incompressible materials, with the hereditary integral updated at the end of each time increment by recursive computation. The proposed model is implemented in the finite element package MARC. Numerical examples are given to demonstrate the effectiveness of the model and the numerical algorithms.
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Communicated by S. N. Atluri, 9 February 1996
Laboratory for Engineering Mechanics, Delft University of Technology, P. O. Box 5033, 2600 GA Delft, The Netherlands
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Lai, J., Bakker, A. 3-D schapery representation for non-linear viscoelasticity and finite element implementation. Computational Mechanics 18, 182–191 (1996). https://doi.org/10.1007/BF00369936
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DOI: https://doi.org/10.1007/BF00369936