Force, deformation and energy criteria of destruction

Erasov V.S., Oreshko E.I.
UDC
66.017
DOI
10.18577/2307-6046-2017-0-10-11-11
Article PDF (Russian) (839.19 KB)
How to cite
Erasov V.S., Oreshko E.I. Force, deformation and energy criteria of destruction // Proceedings of VIAM. 2017. No. 10. DOI: 10.18577/2307-6046-2017-0-10-11-11. URL: https://test.viam.ru/en/journal/2017/10/11
Keywords
potential energy, body volume, free surface of a body, specific work, destruction, deformation.
Abstract

Force, deformation and energy criteria of destruction are considered. It is shown that in elastic area communication between characteristics of destruction has linear character. Size defining criterion is the size of the specific volume energy necessary for education or development of the available surface of destruction. It is thus considered, what not all spent at formation of a new free surface energy goes on formation of a surface. The part of energy dissipates in the form of heat, sound and electromagnetic waves. At the expense of it the body reduces the potential energy and thus resists to further destruction. The destruction model in which a formula Griffitsa is a special case is offered. Work is executed within implementation of the complex scientific direction 3.3. «Technology of forecasting of properties, modeling and implementation of modern processes of designing and production of products from nonmetallic and composite materials with use of the digital methods compatible

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