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Осесимметричная задача динамики для неоднородной конической оболочки

Осесимметричная задача динамики для неоднородной конической оболочки

Abstract

На основе уточнённой теории обобщённым методом конечных интегральных преобразований построено новое аналитическое решение осесимметричной динамической задачи для неоднородных по толщине круговых конических оболочек с конечной сдвиговой жёсткостью. Рассматривается произвольное динамическое загружение для оболочки, упруго защемлённой по торцам. В расчётной схеме учитываются диссипативные силы вязкого сопротивления. Анализируются напряжённо-деформированное состояние и динамические характеристики оболочек в зависимости от степени неоднородности деградируемых конструкций.

New analytical solution of the axisymmetric dynamic problem for circular conical shells with inhomogeneous thickness and finite shear rigidity was developed on the basis of improved theory by generalized method of finite integral transformations. Arbitrary dynamic load for the shells with rigidly clamped edges is considered. Dissipative forces of viscous resistance are taken into account in the calculation. The stress state as well as dynamic characteristics of the shells depending on the degree of its heterogeneity is analyzed.

Keywords

КОНИЧЕСКАЯ НЕОДНОРОДНАЯ ОБОЛОЧКА, УТОЧНЁННАЯ ТЕОРИЯ, КОНЕЧНЫЕ ИНТЕГРАЛЬНЫЕ ПРЕОБРАЗОВАНИЯ, АНАЛИТИЧЕСКОЕ РЕШЕНИЕ, ЧАСТОТЫ КОЛЕБАНИЙ, ОСЦИЛЛОГРАММЫ ПЕРЕМЕЩЕНИЙ

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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