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Об установившихся поперечных колебаниях прямоугольной пластинки из ортотропного материала

Об установившихся поперечных колебаниях прямоугольной пластинки из ортотропного материала

Abstract

При предположениях классической теории Кирхгофа рассматривается задача об установившихся колебаниях тонкой прямоугольной пластинки из упругого ортотропного материала. Двумерная краевая задача сводится к одномерной модифицированным методом сплайн-коллокации.Одномерная задача решается численно устойчивым методом дискретной ортогонализации. Приведены результаты вычислений первых трех резонансных частот и графики, изображающиеформу деформированной срединной поверхности, для трех вариантов условий на контуре.

The problem of the steady transverse vibrations of a rectangular orthotropic plate under the classical Kirchhoff theory assumptions is considered. Two-dimensional problemis reduced to one-dimensional via themodified spline-collocationmethod.One-dimensional problem is numerically solved with the stable discrete orthogonalization method. Numerical results for three resonance frequencies and plots for deformed middle-surface are presented for three types of boundary conditions on the edges.

Keywords

МЕТОД СПЛАЙН-КОЛЛОКАЦИИ, ОРТОТРОПНАЯ ПЛАСТИНКА

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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