将计算单裂纹结构基频的方法推广到求含多处裂纹梁弯曲振动的近似基频。
An approximate method of calculating the fundamental frequency of bending vibrations of multi-cracked beams is proposed on the basis of a modification of the method for single-cracked structures.
得到了单裂纹条件下的理论解及其与规则排列的双裂纹实验结果高度吻合的计算结构。
The calculation results for the theoretical solution of the single crack are coincident with the experiment ones for double cracks arranged regularly.
基本思想是首先利用圆盘状单裂纹之解以及局部坐标展开法将裂纹群问题化为求解一组线代数方程。
The basic idea is to use the single crack solution and the expansions of the local coordinates to reduce the complicated problem into a set of linear algebraic equations.
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