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首页> 外文期刊>Transactions of the Canadian Society for Mechanical Engineering >Axisymmetric charge distributions on an elastic dielectric half space
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Axisymmetric charge distributions on an elastic dielectric half space

机译:弹性介电半空间上的轴对称电荷分布

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The solution of the axisymmetric boundary value problem of an isotropic elastic dielectric half space subjected to charge distribution on its rigid polarization free surface is constructed by Hankel transforms. For the problem of an electric point dipole applied at origin, exact expressions for the components of displacement and polarization vectors and the potential fields are obtained in terms of Bessel function and fundamental solutions 1/R and e{sup}(-mR)/R being the distance from the sourcepoint. The electric field is determined both inside and outside the polarized region. In the particular case of a continuous electric charge distribution with density of the form l/(r{sup}2+h{sup}2){sup}(1/2), the mechanical and electric stresses on thesurface of the semi-space are derived. The Mathematica{sup}(TM) software is used to present the numerical results on graphs depicting the variation of surface stresses for the particular charge distributions.
机译:利用汉克尔变换,构造了在各向同性弹性介电半空间的刚性无极化表面上进行电荷分布的轴对称边界值问题的解。对于在原点施加电偶极子的问题,根据贝塞尔函数和基本解1 / R和e {sup}(-mR)/ R获得位移和极化矢量分量以及势场的精确表达式是到源点的距离。在极化区域的内部和外部都确定电场。在密度为l /(r {sup} 2 + h {sup} 2){sup}(1/2)形式的连续电荷分布的特定情况下,半导电表面上的机械应力和电应力空间是派生的。使用Mathematica {sup} TM软件在图形上显示数值结果,该图形描述了特定电荷分布的表面应力变化。

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