Special virtual fields for the direct determination of material parameters with the virtual fields method. 1–Principle and definition
Special virtual fields for the direct determination of material parameters with the virtual fields method. 1–Principle and definition
This paper deals with the direct and simultaneous estimation of parameters used in some constitutive laws. Whole-field data captured in mechanical configurations which give rise to heterogeneous stress fields are processed. Since no analytical relationship is available between measured data and unknown parameters, a specific procedure based on a relevant use of the principle of virtual work is proposed. The main advantage is to provide directly the unknown parameters. The main features of the method are described in the paper.
2691-2705
Grédiac, Michel
241c3271-d784-424a-8092-dc0c7f7b990f
Toussaint, Evelyne
ce9898e5-8cac-4db1-90b2-5a150b469d1a
Pierron, Fabrice
a1fb4a70-6f34-4625-bc23-fcb6996b79b4
2002
Grédiac, Michel
241c3271-d784-424a-8092-dc0c7f7b990f
Toussaint, Evelyne
ce9898e5-8cac-4db1-90b2-5a150b469d1a
Pierron, Fabrice
a1fb4a70-6f34-4625-bc23-fcb6996b79b4
Grédiac, Michel, Toussaint, Evelyne and Pierron, Fabrice
(2002)
Special virtual fields for the direct determination of material parameters with the virtual fields method. 1–Principle and definition.
International Journal of Solids and Structures, 39 (10), .
(doi:10.1016/S0020-7683(02)00127-0).
Abstract
This paper deals with the direct and simultaneous estimation of parameters used in some constitutive laws. Whole-field data captured in mechanical configurations which give rise to heterogeneous stress fields are processed. Since no analytical relationship is available between measured data and unknown parameters, a specific procedure based on a relevant use of the principle of virtual work is proposed. The main advantage is to provide directly the unknown parameters. The main features of the method are described in the paper.
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Published date: 2002
Organisations:
Engineering Mats & Surface Engineerg Gp
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Local EPrints ID: 210681
URI: http://eprints.soton.ac.uk/id/eprint/210681
ISSN: 0020-7683
PURE UUID: 0944f988-5c2a-417e-9c22-a71ee67549dc
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Date deposited: 21 Feb 2012 11:26
Last modified: 15 Mar 2024 03:35
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Author:
Michel Grédiac
Author:
Evelyne Toussaint
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