期刊
JOURNAL OF SOUND AND VIBRATION
卷 295, 期 3-5, 页码 461-478出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsv.2005.12.048
关键词
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The paper introduces new four spectral elements for analysis of longitudinal wave propagation in structures. The developed elements are based on the elementary, Love, Mindlin-Herrmann and three-mode theories. Certain differences in wave propagation behaviour are observed for the analysed models. For lower excitation frequencies the results obtained for all models are similar and from a practical point of view the spectral element based on the Love theory is adequate. For high frequency excitation these differences are considerable and only the Mindlin-Herrmann or three-mode models give correct results. (c) 2006 Elsevier Ltd. All rights reserved.
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