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Анализ устойчивости конструкций при помощи метода ÐºÐ¾Ð½ÐµÑ‡Ð½Ñ‹Ñ ÑÐ»ÐµÐ¼ÐµÐ½Ñ‚Ð¾Ð²

выпускная квалификационная работа бакалавра

Анализ устойчивости конструкций при помощи метода ÐºÐ¾Ð½ÐµÑ‡Ð½Ñ‹Ñ ÑÐ»ÐµÐ¼ÐµÐ½Ñ‚Ð¾Ð²

Abstract

В данной работе произведен расчет устойчивости цилиндрической оболочки, нагруженной внешним равномерно распределенным давлением. Рассмотрена конфигурация, как гладкой оболочки, так и подкрепленной силовым набором в виде шпангоутов для повышения несущей способности. В конструкции учитывались несовершенства формы, которые, так или иначе, присутствуют при реальной конструкции. Были найдены разрушающие давления в этих случаях аналитически и с помощью КЭ пакета ANSYS Workbench. Определены критические давления для оболочек с конструктивными особенностями.

In this work, calculations are made of the stability of a constant distribution loaded with an external distribution. Changes are considered, both of a smooth form and reinforced by a power set in the form of frames to reduce the load-bearing capacity. Imperfections in form were observed in the designs, which, one way or another, are present in existing structures. Pressure disturbances in these cases were found analytically and using the ANSYS Workbench FE package. The pressure values for shells with design features are determined.

Keywords

метод ÐºÐ¾Ð½ÐµÑ‡Ð½Ñ‹Ñ ÑÐ»ÐµÐ¼ÐµÐ½Ñ‚Ð¾Ð², stability of shells, устойчивость оболочек, подводные аппараты, finite element method, mathematical modeling, математическое моделирование, underwater vehicles

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citations
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
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