Data processing: structural design – modeling – simulation – and em – Modeling by mathematical expression
Patent
1998-01-26
2000-07-04
Teska, Kevin J.
Data processing: structural design, modeling, simulation, and em
Modeling by mathematical expression
703 3, 703 4, G06F 1710
Patent
active
060832665
ABSTRACT:
A simulation apparatus for simulating the current flowing through elements of an electronic apparatus using the moment method based on reaction matching and able to achieve high speed simulation processing, comprising a segmenting means for segmenting the electronic apparatus to be analyzed into elements, a calculating means for calculating a mutual impedance between segmented elements of the electronic apparatus, assuming that a triangle function current flows through the monopoles, by using an approximation equation of the mutual impedance between monopoles, expressed by a polynomial of the power of k, derived by exp(-jkr) which is approximated by multiplication of exp(-jkr.sub.0) and a Taylor expansion of exp[-jk(r-r.sub.0)] (where j is an imaginary number, k is a wave number, r is the distance between monopoles, and r.sub.0 is a representative distance between monopoles), and a simulating means, by using the calculated mutual impedances between elements, for finding the current flowing through the elements of the electronic apparatus in accordance with the moment method.
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Mark Tilston and Keith Balmain, Oct. 1990, `A multiradius, reciprocal implementation of the Thin-wire moment method`, I EEE Transactiona on Antenna and Propagation, vol. 38 No. 10, pp. 1636-1644.
Mark Tilston and Keith Balmain, Feb. 1990, `On the suppression of asymmetric artificats arising in an implementation of the thin-wire method of moments`, IEEE vol. 38, No. 2, pp. 281-285.
Mukai Makoto
Ohtsu Shinichi
Fujitsu Limited
Knox Lonnie A.
Teska Kevin J.
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