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Описание рассеянного разрушения: параметр поврежденности Ю. Н. Работнова: историческая справка, фундаментальные результаты и современное состояние

Описание рассеянного разрушения: параметр поврежденности Ю. Н. Работнова: историческая справка, фундаментальные результаты и современное состояние

Abstract

В 2014 г. исполняется 100 лет со дня рождения выдающегося ученогомеханика Юрия Николаевича Работнова, вместе с Л.М. Качановым заложившим основы современной механики поврежденности динамично развивающейся области механики деформируемого твердого тела. История кафедры механики деформируемого твердого тела Самарского государственного университета неразрывно связана с идеями и наследием Ю.Н. Работнова. В статье приведен обзор современной научной литературы, посвященной вопросам длительного разрушения, развивающей гипотезы и идеи Ю.Н. Работнова и Л.М. Качанова о механизмах длительного разрушения в условиях ползучести, которые применяются для описания процессов разрушения с помощью скалярной и тензорной мер поврежденности. Обсуждаются современные исследования в теории упругости, пластичности и ползучести, механике композиционных материалов, нелинейной механике разрушения, учитывающие поврежденность материалов.

In the paper the detailed review of the present-day results related to problems of continuum damage mechanics is given. The survey shows the development of ideas of Y.N. Rabotnov who together with L.M. Kachanov introduced damage and continuity variables which characterize the damage state. In the paper the recent studies in the elasticity, plasticity and creep theories accounting for damage accumulation processes are discussed.

Keywords

ПАРАМЕТР ПОВРЕЖДЕННОСТИ, ТЕНЗОРНАЯ МЕРА ПОВРЕЖДЕННОСТИ, ДЛИТЕЛЬНОЕ РАЗРУШЕНИЕ, ПОЛЗУЧЕСТЬ, КОНТИНУАЛЬНАЯ МЕХАНИКА ПОВРЕЖДЕННОСТИ, КОМПЬЮТЕРНОЕ ИМИТАЦИОННОЕ МОДЕЛИРОВАНИЕ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
bronze