引張荷重を受ける中央き裂板の振動特性 : 第1報,き裂長さの影響

概要

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This paper deals with the vibration characteristics of a rectangular plate with a central crack subjected to a uniaxial tension. The approach adopted is the finite element method based on the linear vibration theory of a plate with inplane forces. The calculated eigen-frequencies and eigen-modes are compared with those obtained in the experiments. The experimental results indicate that the linear vibration analysis is available for the prediction of the vibration characteristics until the local buckling occurs due to the tensile load. The effects of the crack length on the vibration characteristics are discussed in detail. It is shown that the increase of the crack length makes complicated the variation of the frequencies and mode in the range of even a small load.
一般社団法人日本機械学会の論文
1987-06-25