Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/24513
Title: | Numerical analysis of shear deformation localization using a double-variable damage model | Authors: | Lee, TC Tang, CY Chan, LC |
Keywords: | Double-variable damage model Isotropic damage Numerical modeling Shear damage Shear deformation localization |
Issue Date: | 2004 | Publisher: | Asm International | Source: | Journal of materials engineering and performance, 2004, v. 13, no. 5, p. 548-556 How to cite? | Journal: | Journal of Materials Engineering and Performance | Abstract: | A double-variable damage model was introduced into the constitutive equations to demonstrate the effect of the material damage for the isotropic elastic, hardening, and damage states, and for the isothermal process. The shear damage variable Ds and the bulk damage variable Db may be, respectively, used to describe the effect of shear damage and bulk damage for material properties without the superfluous constraint, Db = D s, that is found in the single-variable damage model. The double-variable damage model was implemented to form the finite element code for analyzing the effect of shear damage and bulk damage. In this article, two numerical simulation examples were completed to model the whole process of initiation and propagation of shear bands in an aluminum alloy. The numerical computational results are coincident with the experimental results. | URI: | http://hdl.handle.net/10397/24513 | ISSN: | 1059-9495 | DOI: | 10.1361/10599490420575 |
Appears in Collections: | Journal/Magazine Article |
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