An approximate method of response analysis of vibrations for cracked beams |
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Authors: | Chen Mengcheng Tang Renji |
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Institution: | Department of Engineering Mechanics, Shanghai Jiaotong University, Shanghai 200030, P. R. China |
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Abstract: | In this paper a method based on a line-spring model was proposed to analyze approximately vibration responses of cracked beams. The method in conjumction with the Euler-Bernoulli beam theory. modal analysis and fracture mechanics principle was applied to derive a characteristic equation for the cracked beam vibration. As application examples. natural frequency responses for a cracked hinge-hinged beam and a cracked cantilever beam were examined It was shown that the present solutions obtained are quite in agreement with the solutions or experimental results in available references. |
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Keywords: | cracked beam line-spring model response of natural frequency |
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