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《Mechanics in Engineering》 2006-02
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YANG Lu ZHU Fusheng SHEN Xinpu (Northeastern University, Shenyang 110001, China) (Shenyang Univercity of Technology, Shenyang 110023, China)  
Nonlocal constitutive models are widely used for effectively simulating strain localization. The major models may be classified into the following two kinds: the weighted-area-averaged nonlocal model and the gradient-enhanced-nonlocal model. Comparison between the two models is made in this paper. It is found that the Aifantis model is a reasonable choice for numerical simulation of a localized non-homogeneous material, but it is subject to some improvements.
【Fund】: 国家自然科学基金项目(10472072)资助
【CateGory Index】: O346.5
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