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Title: Efficient implementation of FE-RTC-ABC preconditioner for FE-BI equations with DDM
Authors: Wang, C.-F. 
Keywords: Domain decomposition method
Finite element -boundary integral equation
Finite element-Robin transmission condition-absorber boundary condition (FE-RTC-ABC) preconditioner
Reverse Cuthill-McKee (RCM) algorithm
Issue Date: 2009
Citation: Wang, C.-F. (2009). Efficient implementation of FE-RTC-ABC preconditioner for FE-BI equations with DDM. APMC 2009 - Asia Pacific Microwave Conference 2009 : 972-975. ScholarBank@NUS Repository.
Abstract: Finite element - boundary integral (FE-BI) equations with domain decomposition method (DDM) provide a very powerful way of combining FE-BI method and DDM for modeling total electromagnetic scattering from cavities. But its resultant system of linear equations is usually ill-conditioned and has to be preconditioned for speeding up iterative solution process. This ill-conditioned matrix equation can be preconditioned using finite element-robin transmission condition-absorber boundary condition (FE-RTC-ABC) preconditioner. In this paper, we propose an efficient way to implement the FE-RTC-ABC preconditioner for large FE-BI-DDM system through applying the reverse Cuthill-McKee (RCM) algorithm in iterative solution process. Numerical results obtained show the effectiveness of the proposed implementation of the FE-RTC-ABC preconditioner for solving cavity problems. ©2009 IEEE.
Source Title: APMC 2009 - Asia Pacific Microwave Conference 2009
ISBN: 9781424428021
DOI: 10.1109/APMC.2009.5384337
Appears in Collections:Staff Publications

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