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Rheological parameter identification using a finite element simulation of the tensile test

Abstract : In order to improve the physical parameter determination, the authors have developed an automatic parameter identification using a finite element simulation of the rheological tests. The obtained inverse problem is solved by minimisation of a cost function defined as a least squares distance between the experimental measurements and the finite element computational results. The optimisation procedure is based on a modified Gauss-Newton method using an accurate evaluation of the matrix sensitivity. In this paper we present results concerning the identification of a viscoplastic law using a tensile test.
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Contributor : Magalie Prudon <>
Submitted on : Friday, February 24, 2012 - 2:29:07 PM
Last modification on : Thursday, September 24, 2020 - 5:22:54 PM

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  • HAL Id : hal-00673868, version 1

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Adinel L. Gavrus, Elisabeth Massoni, Jean-Loup Chenot. Rheological parameter identification using a finite element simulation of the tensile test. Proceedings of the 1996 2nd International Conference on Inverse Problems in Engineering, Jun 1996, Le Croisic, France. pp.Pages 69-76. ⟨hal-00673868⟩

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