A Generalized Fast Frequency Sweep Algorithm for Coupled Circuit-EM Simulations

Ouyang, G ; Jandhyala, V ; Champagne, N ; Sharpe, R ; Fasenfest, B J ; Rockway, J D

Lawrence Livermore National Laboratory

关键词: Integral Equations;    Dielectric Materials;    36 Materials Science;    42 Engineering;    Algorithms;   

DOI  :  10.2172/15015177
RP-ID  :  UCRL-TR-208619
RP-ID  :  W-7405-ENG-48
RP-ID  :  15015177

美国|英语

来源: UNT Digital Library

【 摘 要 】

An Asymptotic Wave Expansion (AWE) technique is implemented into the EIGER computational electromagnetics code. The AWE fast frequency sweep is formed by separating the components of the integral equations by frequency dependence, then using this information to find a rational function approximation of the results. The standard AWE method is generalized to work for several integral equations, including the EFIE for conductors and the PMCHWT for dielectrics. The method is also expanded to work for two types of coupled circuit-EM problems as well as lumped load circuit elements. After a simple bisecting adaptive sweep algorithm is developed, dramatic speed improvements are seen for several example problems.