Abstract
There are many papers treating problems of vibration analysis of a beam with breathing cracks, which open and close during vibration. The opening and closing of the breathing crack depends on the sign of bending moment at the crack position. Since the bending moment is not the primary variable in the usual analysis method, efficient and accurate analysis is difficult. In a previous paper one of the authors presented an analysis method of nonlinear vibration of a beam with breathing cracks, which is based on the mixed variational principle. In the paper characteristics of the nonlinear vibration of a beam with breathing cracks is also presented. In this report, experiment is conducted to verify the characteristics of the nonlinear vibration of a beam with a breathing crack.
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