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Effects of orientation and shape of holes on the band gaps in water waves over periodically drilled bottoms

Effects of orientation and shape of holes on the band gaps in water waves over periodically drilled bottoms

作     者:钟兰花 吴福根 钟会林 

作者机构:Department of PhysicsZhanjiang Normal College Department of Experiment EducationGuangdong University of Technology The Abdus Salam International Center for Theoretical Physics 

出 版 物:《Chinese Physics B》 (中国物理B(英文版))

年 卷 期:2010年第19卷第2期

页      面:19-23页

核心收录:

学科分类:07[理学] 070205[理学-凝聚态物理] 0702[理学-物理学] 

基  金:supported by the National Natural Science Foundation of China (Grant No. 10674032) 

主  题:water surface wave band gap plane wave expansion method 

摘      要:The complete band gaps (CBGs) of shallow water waves propagating over bottoms with periodically drilled holes are investigated numerically by the plane wave expansion method. Four different patterns are considered, containing triangular, square, hexagonal and circular cross-sectioned holes arranged into triangular lattices. Results show that the width of CBGs can be changed by adjusting the orientation of noncircular holes and the effect of hole shape on the width of the maximal CBGs is discussed.

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