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含双圆孔平板弹性波散射与动应力分析
引用本文:胡超,马兴瑞,黄文虎.含双圆孔平板弹性波散射与动应力分析[J].力学学报,1998,30(5):587-596.
作者姓名:胡超  马兴瑞  黄文虎
作者单位:哈尔滨工业大学航天工程与力学系
基金项目:国家自然科学基金,国家教委博士学科点基金
摘    要:利用复变量及局部坐标系方法,对平板中含双圆孔弹性波的衍射与动应力集中问题进行了研究,给出了不同方向入射弯曲波条件下该问题一般解的函数逼近序列和边界条件的表达式用正交函数展开的方法将待解的问题归结为对一组无穷代数方程组的求解给出了双圆孔附近的动应力集中系数的数值结果,分析了孔间距对动应力分布的影响

关 键 词:平板  动应力集中  复变量方法  局部坐标系

DYNAMIC STRESS CONCENTRATIONS IN THIN PLATES WITH TWO CIRCULAR CUTOUTS 1)
Hu Chao,Ma Xingrui,Huang Wenhu.DYNAMIC STRESS CONCENTRATIONS IN THIN PLATES WITH TWO CIRCULAR CUTOUTS 1)[J].chinese journal of theoretical and applied mechanics,1998,30(5):587-596.
Authors:Hu Chao  Ma Xingrui  Huang Wenhu
Abstract:The problem of elastic wave motion and dynamic stress concentration in infinite plates, because of its technical importance, has been the subject of many investigators A number of analytic methods were established for the investigation of stress concentrations, among which, the method developed by N I Muskhelishvili is prominent The problem of static stress concentrations on the edge of an arbitrary cutout can be solved by Muskhelishvili’s method Scattering of flexural waves and dynamic stress conc...
Keywords:thin plate  scattering of elastic wave  dynamic stress concentration  complex variable method and conformal mapping  local coordinates system  two circular cutouts
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