期刊
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
卷 132, 期 2, 页码 641-645出版社
ACOUSTICAL SOC AMER AMER INST PHYSICS
DOI: 10.1121/1.4730891
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资金
- Higher Education Commission of Pakistan
In this paper the spectrum of Lamb modes in an orthotropic plate is studied. Infinitely many modes are found which undergo a change of sign in their slopes twice, thus leading to two zero-group velocity points. A few modes possessing three such points also exist. (C) 2012 Acoustical Society of America. [http://dx.doi.org/10.1121/1.4730891]
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