Generalized Kirchoff's current and Voltage law formulation for coupled circuit-electromagnetic Simulation with surface Integral equations

In this paper, a new formulation for coupled circuit-electromagnetic (EM) simulation is presented. The formulation employs full-wave integral equations to model the EM behavior of two- or three-dimensional structures while using modified nodal analysis to model circuit interactions. A coupling schem...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2004-07, Vol.52 (7), p.1673-1682
Main Authors: Yong Wang, Gope, D., Jandhyala, V., Shi, C.-J.R.
Format: Article
Language:English
Subjects:
Circuit simulation
Coupling circuits
Electromagnetic analysis
Finite difference methods
Frequency
Integral equations
Moment methods
RLC circuits
Time domain analysis
Voltage
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Summary:In this paper, a new formulation for coupled circuit-electromagnetic (EM) simulation is presented. The formulation employs full-wave integral equations to model the EM behavior of two- or three-dimensional structures while using modified nodal analysis to model circuit interactions. A coupling scheme based on charge and current continuity and potential matching, realized as a generalization of Kirchoff's voltage and current laws, ensures that the EM and circuit interactions can be formulated as a seamless system. While rigorous port models for EM structures can be obtained using the approach discussed herein, it is shown that the coupling paradigm can reveal additional details of the EM-circuit interactions and can provide a path to analysis-based design iteration.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2004.830482