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В данной работе представлено решение краевой задачи о ползучести и пластическом течении материала толстостенной цилиндрической трубы в условиях приложения возрастающего со временем равномерного внутреннего давления. При определении механизма накопления необратимых деформаций используется критерий Ивлева - Ишлинского. Расчитаны все параметры напряженно-деформированного состояния. This paper presents a solution to the boundary value problem of creep and plastic flow of a material of a thick-walled cylindrical pipe under conditions of application of uniform internal pressure increasing with time. In determining the mechanism of accumulation of irreversible deformations, the Ivlev-Ishlinsky criterion is used. All parameters of the stress-strain are calculated.

Creep and plastic flow of a material of a thick-walled cylindrical pipe under the action of uniform internal pressure