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- Qi I. Dai, Qin S. Liu, Hui U. I. Gan, Weng Cho Chew
- IEEE Transactions on Antennas and Propagation
- 2015

Conventional electric field integral equation-based theory is susceptible to the spurious internal resonance problem when the characteristic modes (CMs) of closed perfectly conducting objects areâ€¦ (More)

- Yan-Lin Li, Sheng Sun, Qi I. Dai, Weng Cho Chew
- IEEE Transactions on Magnetics
- 2015

In this paper, a solution to the double curl equation with generalized Coulomb gauge is proposed based on the vectorial representation of the magnetic vector potential. Traditional Coulomb gauge isâ€¦ (More)

- Qi I. Dai, Yat Hei Lo, Weng Cho Chew, Yang Liu, Li Jun Jiang
- IEEE Transactions on Antennas and Propagation
- 2014

A generalized modal expansion theory for investigating arbitrary 3-D bounded and unbounded electromagnetic fields is presented. When an inhomogeneity is enclosed with impenetrable boundaries, theâ€¦ (More)

- Qi I. Dai, Jun Wu, Hui H. Gan, Qin S. Liu, Weng Cho Chew, Wei E. I. Sha
- IEEE Transactions on Antennas and Propagation
- 2016

Large-scale characteristic mode analysis (CMA) poses challenges in computational electromagnetics as it calls for efficient solutions of large dense generalized eigenvalue problems. In this paper, weâ€¦ (More)

- Qin S. Liu, Sheng Sun, Qi I. Dai, Weng Cho Chew, Li Jun Jiang
- 2016 URSI International Symposium onâ€¦
- 2016

The characteristic mode analysis is presented based on the potential-based integral equation, where the vector potential equation and the scalar potential are formulated separately and solved inâ€¦ (More)

- Qi I. Dai, Weng Cho Chew, Li Jun Jiang, Yumao Wu
- IEEE Antennas and Wireless Propagation Letters
- 2014

In this letter, we present a differential-forms-motivated procedure to unify and guide discretizations of differential and integral equations in computational electromagnetics (CEM). In order toâ€¦ (More)

Recent progress in the simulation of Casimir forces between various objects has allowed traditional computational electromagnetic solvers to be used to find Casimir forces in arbitraryâ€¦ (More)

- Phillip Atkins, W. C. Chew, Qi I. Dai, W. E. I. Sha
- Proceedings of the 2012 IEEE Internationalâ€¦
- 2012

There has been much progress in recent years in the simulation of Casimir forces between various objects. Current methods have allowed traditional computational electromagnetic solvers to be used toâ€¦ (More)

- Qi I. Dai, Yat Hei Lo, Weng Cho Chew, Li Jun Jiang
- IEEE Antennas and Wireless Propagation Letters
- 2013

In this letter, we demonstrate an efficient preconditioning scheme for the eigenanalysis of inhomogeneously loaded rectangular cavities. Modeling the entire structure with the finite-differenceâ€¦ (More)

- Qi I. Dai, Hui H. Gan, Weng Cho Chew, Qin S. Liu, Sheng Sun
- 2015 IEEE International Symposium on Antennas andâ€¦
- 2015

Characteristic mode theory is usually formulated on top of the electric field integral equation. We present in this paper a combined field integral equation based characteristic mode theory which isâ€¦ (More)