Scattering of Elastic Waves by a Particle in Solid Medium
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概要
- 論文の詳細を見る
The scattering cross section has been numerically calculated for longitudinal (L)and transverse (T) elastic waves in a solid medium scattered by a spherical particle.The scattering due to the difference of mechanical properties between the particle andthe medium was considered. The cross section is a function of ak (*: particle radius,k: wave number), and the calculation has been extended to the region of large akvalues for several combinations of the particle and the medium materials. As ak is in-creased, the cross section for the L-wave rapidly increases, approaches a saturation,and then slowly fluctuates. The cross section for the T-wave gradually increases withrapid fluctuation and sharp peaks, and the magnitude of the cross section is very largewhen the particle is hard and the medium is soft elastically. The origin of the strongscattering was considered to be the resonance scattering of the T-wave by the inducedparticle vibrations,
- 社団法人日本物理学会の論文
- 1989-10-15
著者
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中村 裕之
Graduate School Of Material Science University Of Hyogo
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川崎 恭治
福岡工業大学エレクトロニクス研究所
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Hiki Y
Faculty Of Science Tokyo Institute Of Technology Tokyo
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Hiki Yosio
Faculty Of Engineering Ibaraki University
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NAKAMURA Hiroaki
Central Research Laboratories, Idemitsu Kosan Co., Ltd.
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KAWASAKI Kenji
Central Research Laboratories, Idemitsu Kosan Co., Ltd.
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HIKI Yosio
Central Research Laboratories,Idemitsu Kosan Co.,Ltd.
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Nakamura Hiroaki
Central Research Laboratories Idemitsu Kosan Co. Ltd.
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HIKI Yosio
Faculty of Science, Tokyo Institute of Technology, Tokyo
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Hiki Yosio
Faculty of Engineering, Ibaraki University
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