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A Rational Study on Limit States in Hypoelastic Materials | ||
| Iranian Journal of Materials Forming | ||
| دوره 11، شماره 1، فروردین 2024، صفحه 34-43 اصل مقاله (1.12 M) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22099/ijmf.2024.49884.1288 | ||
| نویسندگان | ||
| M. Veiskarami* 1؛ F. Kardooni1؛ N. Khelghat1؛ M. Jahanandish1؛ S. Ghabezloo2 | ||
| 1School of Engineering, Shiraz University, Shiraz, Iran | ||
| 2Laboratoire Navier, École des Ponts ParisTech, Paris, France | ||
| چکیده | ||
| 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. | ||
| کلیدواژهها | ||
| Constitutive equation؛ Failure؛ Hypoelasticity؛ Limit state؛ Yield | ||
| مراجع | ||
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