小颗粒多体波散射问题的数值解

2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2009-10-30 DOI:10.5772/24495

Mykhaylo Andriychuk, A. Ramm

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引用次数: 15

摘要

假设ka«1,d»A，其中A为粒子的大小，d为邻近粒子之间的距离，提出了一种求解小粒子波散射问题的数值方法。在波长上可以有许多小粒子。在小颗粒的边界上假定了阻抗边界条件。数值模拟结果与理论结果吻合较好。他们为创造具有期望折射系数的材料的方法的数值模拟开辟了一条道路。

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Numerical solution of many-body wave scattering problem for small particles

A numerical approach to the problem of wave scattering by many small particles is developed under the assumptions ka « 1, d»a, where a is the size of the particles and d is the distance between the neighboring particles. On the wavelength one may have many small particles. An impedance boundary conditions are assumed on the boundaries of small particles. The results of numerical simulation show good agreement with the theory. They open a way to numerical simulation of the method for creating materials with a desired refraction coefficient.

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来源期刊

2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory

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