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Open AccessJournal ArticleDOI

Fundamental Frequency of an Isosceles-triangular Plate

Tomoya Ota, +2 more
- 01 Jan 1960 - 
- Vol. 4, Iss: 15, pp 478-481
TLDR
In this paper, the problem of natural vibrations of an isosceles-triangular plate with all edges clamped or with two equal edges and the base edge supported is treated by means of the energy method.
Abstract
The problem of natural vibrations of an isosceles-triangular plate with all edges clamped or with two equal edges clamped and the base edge supported is treated in this paper by means of the energy method, which was applied by one of the authors to the eigenvalue problems of a rhomboidal plate with all edges clamped. Numerical values of the fundamental frequencies are calculated for plates with several contained angles, and they are checked by experiments.

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Journal ArticleDOI

Vibration analysis of plates of arbitrary shape—A new approach

TL;DR: In this article, the so-called finite strip method combined with the deflection contour method has proved highly successful in the analysis of bending of thin elastic plates of arbitrary shape.
Journal ArticleDOI

Moving least square Ritz method for vibration analysis of plates

TL;DR: In this article, the authors proposed the moving least square Ritz method (MLS-Ritz) for free vibration analysis of classical thin plates, where the edge support conditions of a plate are satisfied by forcing the boundary points to meet the geometric boundary conditions of the plate via a point substitution technique and virtual points are introduced for clamped edges to improve the convergence and accuracy of the calculations.
Journal ArticleDOI

Vibration of triangular plates of variable thickness

TL;DR: In this article, the problem of the natural frequencies and mode shapes of cantilevered triangular plates with variable thickness and arbitrary planform was solved using the finite element technique. And the frequencies for the various cases are tabulated and a few typical mode shapes have been presented graphically.
Journal ArticleDOI

Upper and lower bounds for frequencies of trapezoidal and triangular plates

TL;DR: In this article, upper and lower bounds for the lowest frequencies of vibration of clamped trapezoidal and triangular plates were given. But they were not given for the vibrational frequencies of these shapes.
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