四阶边值问题给出了梁振动的数学模型。

The mathematical models of the vibration of beams are given by fourth-order boundary value problems.

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本文研究由于大挠度引起的曲率非线性对简支梁振动的影响。

We investigate the effect of nonlinear curvature on vibrations of an elastic simple supported beam and roller with large deflection.

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这个方法是建立在三次样条函数、梁振动函数(或三角函数)及变分原理基础上。

The method based on the cubic B-spline function, beam vibration function (or trigonometric functions) and variation principle.

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