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Об особенностях нелинейного взаимодействия форм колебаний тонких круговых цилиндрических оболочек

Об особенностях нелинейного взаимодействия форм колебаний тонких круговых цилиндрических оболочек

Abstract

The paper deals with the problem on forced flexural vibrations of a thin infinitely long circular cylindrical shell (thin circular ring under plane deformation) with large amplitudes. The equations of ring motion are obtained from equations of the nonlinear theory of flexible shallow shells. A new approach to the construction of a nonlinear finite-dimensional model of a ring is proposed. Three statements that make it possible to specify a series of fundamental notions of nonlinear flexural vibrations of circular cylindrical shells of finite length are formulated and proved.

Рассматривается задача о вынужденных изгибных колебаниях тонкой бесконечно длинной круговой цилиндрической оболочки (тонкого кругового кольца, находящегося в условиях плоской деформации) с большими амплитудами. Уравнения движения кольца получены из уравнений нелинейной теории гибких пологих оболочек. Предлагается новый подход к построению нелинейной конечномерной модели кольца. Сформулированы и доказаны три утверждения, которые позволяют уточнить ряд фундаментальных представлений о нелинейных изгибных колебаниях круговых цилиндрических оболочек конечной длины.

Keywords

КРУГОВАЯ ЦИЛИНДРИЧЕСКАЯ ОБОЛОЧКА, КОЛЬЦО, НЕЛИНЕЙНЫЕ КОЛЕБАНИЯ, КОНЕЧНОМЕРНАЯ МОДЕЛЬ, ВЗАИМОДЕЙСТВИЕ ФОРМ КОЛЕБАНИЙ

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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