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Воздействие нестационарного давления на цилиндрическую оболочку с упругим заполнителем

Воздействие нестационарного давления на цилиндрическую оболочку с упругим заполнителем

Abstract

Решена нестационарная задача для тонкой упругой круговой цилиндрической оболочки, заполненной упругой средой, при воздействии на нее внешнего нестационарного давления. С использованием принципа суперпозиции задача сведена к интегральному соотношению между нормальными перемещениями оболочки и внешним давлением. Ядром этого соотношения является функция влияния, которая построена с использованием аппарата разложений в ряды Фурье и интегрального преобразования Лапласа по времени. Получение оригиналов коэффициентов рядов осуществлено аналитически с применением асимптотически эквивалентных функций. Приведены примеры расчетов.The solution of the non-stationary problem for thin elastic circular cylindrical shell filled with an elastic medium under the influence of external non-stationary pressure has been obtained based on the superposition principle. Using the apparatus of expansions in the Fourier series and the Laplace integral transforms in time, the non-stationary function of the impact shell with core has been constructed. The construction of the original coefficients of the series expansions has been carried out analytically with the help of the asymptotically equivalent functions. Examples of calculations are presented.

Keywords

НЕСТАЦИОНАРНЫЕ ЗАДАЧИ,МОДЕЛЬ ОБОЛОЧКИ С.П. ТИМОШЕНКО,УПРУГИЙ ЗАПОЛНИТЕЛЬ,ФУНКЦИЯ ВЛИЯНИЯ,ПРИНЦИП СУПЕРПОЗИЦИИ,НЕСТАЦИОНАРНОЕ ДАВЛЕНИЕ,NON-STATIONARY PROBLEMS,S.P. TIMOSHENKO''S SHELL MODEL,ELASTIC CORE,FUNCTION OF INFLUENCE,PRINCIPLE OF SUPERPOSITION,NON-STATIONARY PRESSURE

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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
gold