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Iranian Journal of Materials Forming، جلد ۱۱، شماره ۱، صفحات ۳۴-۴۳
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عنوان انگلیسی A Rational Study on Limit States in Hypoelastic Materials
چکیده انگلیسی مقاله Despite the definition of failure being almost thoroughly studied in other theories such as elasto-plasticity, this paper studies the possibility of capturing or defining some limit states in hypoelastic materials. It is shown that for many hypoelastic materials the limit state, as a notion of failure, can take the place of the yield or failure in classical plasticity. The procedure is general, and all equations are rational, i.e. they are not dependent on a particular form of a constitutive equation. Constitutive equations cover those applied to both metallic and non-metallic materials. Some practical results were obtained for a particular form of a hypoelastic equation which resembles the Drucker-Prager criterion for the form of the limit state. Results were also examined against a set of experimental data.
کلیدواژه‌های انگلیسی مقاله constitutive equation, Failure, Hypoelasticity, Limit State, Yield
نویسندگان مقاله M. Veiskarami |
Professor, School of Engineering, Shiraz University

F. Kardooni |
Graduate Student, School of Engineering, Shiraz University

N. Khelghat |
Graduate Student, School of Engineering, Shiraz University

M. Jahanandish |
Professor, School of Engineering, Shiraz University

S. Ghabezloo |
Laboratoire Navier, École des Ponts ParisTech, Paris, France

نشانی اینترنتی https://ijmf.shirazu.ac.ir/article_7525_46e0ecfa011446d06120d7fa281dd470.pdf
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