Modeling and parameter identification of amplitude-and frequency-dependent rubber isolator |
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Authors: | SUN De-wei CHEN Zhi-gang ZHANG Guang-yu PEberhard |
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Affiliation: | SUN De-wei1,CHEN Zhi-gang1,ZHANG Guang-yu1,P.Eberhard21.School of Mechatronics Engineering,Harbin Institute of Technology,Harbin 150001,China,2.Institute of Engineering and Computational Mechanics,University of Stuttgart,Stuttgart 70569,Germany |
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Abstract: | A model to describe the hysteresis damping characteristic of rubber material was presented.It consists of a parallel spring and damper,whose coefficients change with the vibration amplitude and frequency.In order to acquire these relations,force decomposition was carried out according to some sine vibration measurement data of nonlinear forces changing with the deformation of the rubber material.The nonlinear force is decomposed into a spring force and a damper force,which are represented by the amplitude-a... |
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Keywords: | rubber isolator modeling parameter identification hysteresis damping dynamic analysis |
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