کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1900793 | 1045382 | 2006 | 13 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Transverse waves in anisotropic elastic materials
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
زمین شناسی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
With few exceptions, a transverse wave can propagate in an anisotropic elastic material along certain directions only. Equations that allow us to compute the direction n, the polarization vector a and the wave speed c are presented for a general anisotropic elastic material. In contrast to longitudinal waves, the directions along which a transverse wave can propagate are not finite isolated directions. There is a one-parameter family of n along which a transverse wave can propagate. On the surface of the unit sphere n12+n22+n33=1, the n along which a transverse wave can propagate traces out at least three curves. The intersection of two or more curves is the direction along which a longitudinal wave can propagate. We present solutions for n, a and c for orthotropic, tetragonal and trigonal materials. The corresponding solutions for hexagonal and cubic materials have been obtained earlier.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Wave Motion - Volume 44, Issue 2, December 2006, Pages 107-119
Journal: Wave Motion - Volume 44, Issue 2, December 2006, Pages 107-119
نویسندگان
T.C.T. Ting,