This paper gives an exact solution for freevibration of a physically nonuniform straight bar with varying section by the use of a class of integrable linear ordinary differential equation.
This paper gives a new analytical solution of the freevibration of an arbitrary-shaped plate with complex boundary conditions.
本文给出了复杂边界条件下任意形状板的自由振动分析的一个新的解析解法。
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According to the elastic thin plate theory and vibration theory, a boundary element method (BEM) was used to analyze the frequency characteristics of a thin plate in lateral freevibration.