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本文把梁的振动问题表示成第二类Fredholm型积分方程的特征值问题,然后用一种新的方法探讨了附加质量、弹性支承和截面形状变化对梁的动态特性的影响.
In this paper, the beam vibration problem is expressed as the eigenvalue problem of the second kind of Fredholm integral equations. Then a new method is used to investigate the influence of additional mass, elastic support and cross-sectional shape on the dynamic characteristics of the beam.