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- Sheng Sun, Yang Liu, Weng Cho Chew, Zuhui Ma
- IEEE Transactions on Antennas and Propagation
- 2013

In this paper, we address the low-frequency breakdown and inaccuracy problems in the Calderón multiplicative preconditioned electric field integral equation (CMP-EFIE) operator, and propose the perturbation method as a remedy for three-dimensional perfect electric conductor (PEC) scatterers. The electric currents at different frequency orders as aâ€¦ (More)

- Zuhui Ma, Lijun Jiang, Wengcho Chew, Maokun Li, Zhiguo Qian
- 2010 IEEE Electrical Design of Advanced Packageâ€¦
- 2010

It is evident that the low frequency full wave electromagnetic modelling is necessary for IC packaging analysis. Considering the complexity, it is very difficult to solve the whole problem directly. Even though the domain decomposition method is a legitimate approach for these types of problems, the domain decomposition method based on the equivalenceâ€¦ (More)

- P. R. Atkins, Zuhui Ma, +5 authors W. C. Chew
- 2014 XXXIth URSI General Assembly and Scientificâ€¦
- 2014

A broadband integral-equation-based domain decomposition method (DDM) using augmented equivalence principle algorithm (A-EPA) is introduced for solving large scale electromagnetic scattering, circuits, and Casimir force problems. The root cause of the low frequency breakdown problem of EPA algorithm without augmentation technique is analyzed. Numericalâ€¦ (More)

- Xin Fu, Lijun Jiang, Zuhui Ma
- 2015 IEEE International Conference onâ€¦
- 2015

Conventional equivalence principle algorithm (EPA) employs cubical boxes to support equivalence sources. However, it introduces strong discontinuities. In this work, a spherical surface is employed as the equivalence surface in EPA to avoid singularities from non-smooth surfaces. Further to achieve high order accuracy, meshless samples are used for theâ€¦ (More)

- Zuhui Ma, Weng Cho Chew, Lijun Jiang
- 2013

In this paper, we present a novel fast method to solve Poissonâ€™s equation in an arbitrary two dimensional region with Neumann boundary condition, which are frequently encountered in solving electrostatic boundary problems. The basic idea is to solve the original Poissonâ€™s equation by a two-step procedure. In the first stage, we expand the electric field ofâ€¦ (More)

- W. C. Chew, Andreas C. Cangellaris, +8 authors Muhamin Naeem
- 2013 17th IEEE Workshop on Signal and Powerâ€¦
- 2013

We present an overview of challenge problems in electromagnetic modeling of highly complex and multi-scale structures found in 3D IC, SiP, SoC, and electronic packaging necessary for signal integrity assessment.

- W. C. Chew, L. J. Jiang, +10 authors Wei E. I. Sha
- 2010 International Conference on Electromagneticsâ€¦
- 2010

This paper reviews various methods to solve multi-scale problems ranging from low-frequency methods to very high-frequency methods.

- P. R. Atkins, Zuhui Ma, +4 authors W. C. Chew
- 2014 IEEE Antennas and Propagation Societyâ€¦
- 2014

A broadband integral-equation-based domain decomposition method (DDM) using augmented equivalence principle algorithm (A-EPA) is introduced for solving large scale electromagnetic scattering, circuits, and Casimir force problems. The root cause of the low frequency breakdown problem of EPA algorithm without augmentation technique is analyzed. Numericalâ€¦ (More)

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