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В работе рассматривается задача определения компонент напряжения при двуосном растяжении тонкой пластины из упругопластического материала. Пластина ослаблена круговым отверстием. В задаче рассматривается случай сопротивления отрыву, σ1 = σ2 = p, σ3 &lt; p, p = const. Решение ищется методом разложения по малому параметру, аналогично работам [1-4]. В работе были получены выражения для определения компонент напряжения в упругой и пластической областях в первом приближении. The paper considers the problem of determining the stress components during biaxial tension of a thin plate made of elastoplastic material. The plate is weakened by the circular hole. The problem considers the case of separation resistance, σ  = σ  = p , σ  &lt; p , p = const . The solution is sought by the method of decomposition in a small parameter, similar to the works of [1-4]. In this work, expressions were obtained for determining the stress components in the elastic and plastic regions in the first approximation.

Biaxial tension of a thin plate made of elastoplastic material under the condition of resistance to separation