Three-dimensional mode shapes of a tire using experimental modal analysis |
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| Authors: | L H Yam D H Guan A Q Zhang |
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| Institution: | (1) Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, China;(2) Department of Automotive Engineering, Tsinghua University, Beijing, China |
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| Abstract: | Experimental modal analysis of a tire was carried out. Mode shapes in the radial, tangential and lateral directions of the
tire under radial and tangential excitation, respectively, were obtained for the first time. The consistency of tire experimental
modal frequencies in three directions was observed after careful design and adjustment of the test method. This indicates
the accuracy of the experiments. The phenomena discovered in this experimental study, such as the mode shapes of the rim and
the complex modes of the tire, are discussed in detail. The modal parameters acquired from experimental modal analysis of
the tire can be used for the modeling of tire dynamics. |
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| Keywords: | Experimental modal analysis tire dynamics three-dimensional mode shapes complex modes |
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