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Моделі і методи аналітичної теорії нетонких пологих оболонок при статичному навантаженні

Моделі і методи аналітичної теорії нетонких пологих оболонок при статичному навантаженні

Abstract

The three-dimensional problem of theory of elasticity for shells is reduced to the two-dimensional one using Reissner’s variational principle, method of series expansion of SSS components on lateral coordinate with the use of Legendre Polynom. The systems of equations of high order are analyzed and the methods of their solutions are developed. The general solutions are obtained using the method of operators. The boundary probems for SSS definition of non-thin homogeneous physically linear and non-linear shallow shells. New conclusions as for the influence of mechanical and geometrical parameters and kinds of loading on SSS are obtained.

Трехмерная задача теории упругости для пологих оболочек приведена к двумерной с помощью вариационного принципа Рейсснера, метода разложения компонент НДС в ряды по поперечной координате с использованием полиномов Лежандра. Выполнены анализ и исследование полученных систем дифференциальных уравнений высокого порядка и разработаны методы их решения. Получены формы их общих решений. Решены граничные задачи по определению внутреннего НДС нетонких однородных физически линейных и нелинейных пологих оболочек. Получены новые качественные выводы о влиянии механико-геометрических параметров и вида нагружения на НДС.

Keywords

ПОЛОГА ОБОЛОНКА, ВАРіАЦіЙНИЙ ПРИНЦИП РЕЙСНЕРА, ПОЛіНОМИ ЛЕЖАНДРА, ФіЗИЧНА НЕЛіНіЙНіСТЬ, ПОЛОГАЯ ОБОЛОЧКА, ВАРИАЦИОННЫЙ ПРИНЦИП РЕЙССНЕРА, ПОЛИНОМЫ ЛЕЖАНДРА, ФИЗИЧЕСКАЯ НЕЛИНЕЙНОСТЬ, REISSNER’S VARIATIONAL PRINCIPLE

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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