Discrete 3D model as complimentary numerical testing for anisotropic damage

Abstract : It is proposed to use a discrete particle model as a complimentary “numerical testing machine” to identify the hydrostatic elasticity-damage coupling and the corresponding sensitivity to hydrostatic stresses parameter. Experimental tri-axial tensile testing is difficult to perform on concrete material, and numerical testing proves then its efficiency. The discrete model used for this purpose is based on a Voronoi assembly that naturally takes into account heterogeneity. Tri-tension tests on a cube specimen, based on a damage growth control, are presented. A successful identification of the hydrostatic sensitivity function of a phenomenological anisotropic damage model is obtained.
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Contributor : Arnaud Delaplace <>
Submitted on : Thursday, April 3, 2008 - 5:21:47 PM
Last modification on : Friday, May 17, 2019 - 1:23:49 AM
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Arnaud Delaplace, Rodrigue Desmorat. Discrete 3D model as complimentary numerical testing for anisotropic damage. International Journal of Fracture, Springer Verlag, 2008, pp.20. ⟨10.1007/s10704-008-9183-9⟩. ⟨hal-00270147⟩



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