After the scattering boundary conditions were set up, the scattering pressure expression of the solid sphere in the focusing area was derived by column function addition theorem.
建立了散射边界条件,并运用柱函数的加法定理,通过理论推导得到了聚焦区内刚性球形微粒的散射声压表达式。
The boundary problems of Raman scattering equations are analyzed and two methods of solving the boundary problem are described detailedly.
分析了拉曼散射方程的边界问题,详细的描述了两种边界问题解决方法;
Multiple expansion for the buried body in the stratified Media attd Boundary Element Method (BEM) are combined to obtain electromagnetic scattering field of buried body in the stratified Media.
本文结合平面边界元法和平面多极子展开法,求解平面分层埋入体的电磁散射。
Considering incident and scattering directions of radiative energy, radiative transfer coefficients for anisotropic scattering medium with diffuse and opaque boundary surfaces are deduced.
考虑介质辐射能的入射和散射方向,导出漫反射、不透明边界、各向异性散射介质的辐射传递系数。
In this paper, the Perfectly Matched Layer (PML) is adopted as the truncating boundary for the analysis of conductor electromagnetic scattering problems.
本文用完全匹配层作为开域边界条件,对导体目标的散射问题进行了研究。
This paper proposes a general model of sound scattering and directivity pattern for a vector sensor located on a complicated reflecting boundary.
利用边界元方法,在不规则障板边界条件下,对矢量传感器的散射声场进行了计算,得出了传感器的指向性图。
A finite element artificial transmitting boundary method is presented for electromagnetic wave scattering from a perfectly conducting circular cylinder and a number of concave objects.
采用有限元-人工透射边界法求出平面波在无限长圆柱上的散射近场,并与解析解进行比较,进而对几种凹面体电磁波散射近场求解。
By spherical function expansion of the scattered sound field in conjunction with rigid boundary conditions, formulas for reconstructing the shapes of rigid scattering objects are derived.
本文用球函数展开散射场,结合刚性边界条件导出了刚性目标的重构公式,并利用该公式重构了刚性球和椭球的形状。
The proposed finite difference boundary condition expands the scope of application of FDTD to scattering problems of objects with a finite acoustic impedance but without tangential stress.
导出了水中透声目标表面边界条件的时域有限差分(FDTD)表达形式,将FDTD在水声学中的应用范围扩大到无切应力的有限声阻抗目标的散射问题。
The effects of the boundary condition on sound scattering are also considered.
本文还考虑了界面状况对声散射的影响。
Another numerical result with the boundary absorption is compared with the theoretical solution of scattering problem for a vertical cylinder.
具有岸边吸收作用的数值结果和具有边界吸收的圆柱绕射问题的分析解进行比较。
This paper deals with theoretical and numerical analyses of scattering of elastic wave and dynamic stress concentrations in an infinite thin plate with a circular hole using boundary element method.
本文采用边界元法对开孔无限大薄板弹性波的散射与动应力集中问题进行理论分析和数值计算。
Classically, the solution of boundary value problems associated with electromagnetic radiation and scattering phenomena may be reduced to the integral equation.
电磁场的边值问题的解可以转化为积分方程来处理。
The boundary conditions of scattering heat of synchronous generator are dealed with reasonaby.
发电机 定子散热的边界条件作了妥善处理。
The boundary conditions of scattering heat of synchronous generator are dealed with reasonaby.
发电机 定子散热的边界条件作了妥善处理。
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