Transient analysis of resonant waveguide devices using a hybrid FETD-GSM algorithm

A hybrid algorithm that combines the finite-element time-domain (FETD) method with the generalized scattering matrix (GSM) method is introduced to model resonant waveguide devices. The device is divided into several subdomains with each truncated with the waveguide port boundary condition (WPBC) to...

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Published inDigest - IEEE Antennas and Propagation Society. International Symposium (1995) pp. 1341 - 1342
Main Authors Kedi Zhang, Jian-Ming Jin, Chao-Fu Wang
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2017
Subjects
Algorithm design and analysis
Broadband communication
Electromagnetic waveguides
Finite element analysis
GSM
Ports (Computers)
Time-domain analysis
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ISSN1947-1491
DOI10.1109/APUSNCURSINRSM.2017.8072713

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Abstract A hybrid algorithm that combines the finite-element time-domain (FETD) method with the generalized scattering matrix (GSM) method is introduced to model resonant waveguide devices. The device is divided into several subdomains with each truncated with the waveguide port boundary condition (WPBC) to suppress resonance and therefore reduce the total number of time-marching steps. The subdomains are analyzed by the FETD method and characterized by broadband GSMs. The GSM of the original device is recovered by cascading the subdomain GSMs. A numerical example is presented to demonstrate the accuracy and efficiency of this algorithm.
AbstractList A hybrid algorithm that combines the finite-element time-domain (FETD) method with the generalized scattering matrix (GSM) method is introduced to model resonant waveguide devices. The device is divided into several subdomains with each truncated with the waveguide port boundary condition (WPBC) to suppress resonance and therefore reduce the total number of time-marching steps. The subdomains are analyzed by the FETD method and characterized by broadband GSMs. The GSM of the original device is recovered by cascading the subdomain GSMs. A numerical example is presented to demonstrate the accuracy and efficiency of this algorithm.
Author Chao-Fu Wang
Kedi Zhang
Jian-Ming Jin
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  surname: Jian-Ming Jin
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  surname: Chao-Fu Wang
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  email: cfwang@nus.edu.sg
  organization: Temasek Labs., Nat. Univ. of Singapore, Singapore, Singapore
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Snippet A hybrid algorithm that combines the finite-element time-domain (FETD) method with the generalized scattering matrix (GSM) method is introduced to model...
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StartPage 1341
SubjectTerms Algorithm design and analysis
Broadband communication
Electromagnetic waveguides
Finite element analysis
GSM
Ports (Computers)
Time-domain analysis
Title Transient analysis of resonant waveguide devices using a hybrid FETD-GSM algorithm
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