A multiplicative Calderón preconditioner for the electric field integral equation

A multiplicative Calderón preconditioner for the electric field integral equation
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DOI：
10.1109/aps.2008.4619770
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发表时间：
2008-07
期刊：
2008 IEEE Antennas and Propagation Society International Symposium
影响因子：
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通讯作者：
F. Andriulli;K. Cools;H. Bağcı;F. Olyslager;A. Buffa;S. Christiansen;E. Michielssen
F. Andriulli;K. Cools;H. Bağcı;F. Olyslager;A. Buffa;S. Christiansen;E. Michielssen
中科院分区：
其他
文献类型：
--
作者：
F. Andriulli;K. Cools;H. Bağcı;F. Olyslager;A. Buffa;S. Christiansen;E. Michielssen

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提出了一种利用卡尔德隆恒等式对电场积分方程进行预处理的新方法。与之前所有的Calderon EFIE预条件相比，本文提出的预条件是纯乘法性质的，适用于开放和封闭结构，易于实现，并且易于与现有的矩码方法接口。数值结果表明，利用该预调节器得到的矩量矩阵方程方法收敛速度快，与离散化密度无关。
A new technique for preconditioning electric field integral equations (EFIEs) by leveraging Calderon identities is presented. In contrast to all previous Calderon EFIE preconditioners, the proposed preconditioner is purely multiplicative in nature, applicable to open and closed structures, straightforward to implement, and easily interfaced with existing method of moments codes. Numerical results demonstrate that the method of moments (MoM) matrix equations obtained using the proposed preconditioner converge rapidly, independently of the discretization density.