Finite element modeling of the rf heating process

Charles T. M. Choi; A. Konrad

doi:10.1109/20.105034

Finite element modeling of the rf heating process

Charles T. M. Choi, A. Konrad

Institute of Biomedical Engineering

Research output: Contribution to journal › Article › peer-review

67 Scopus citations

Abstract

The heating of heterogeneous materials by radio frequency excitation is modeled by sequential electromagnetic and thermal analyses using the finite element method. The electromagnetic analysis comprises electrostatic modeling employing temperature dependent complex dielectric permittivity to account for the energy dissipating losses in the material. The thermal analysis consists of a transient finite element procedure with temperature dependent thermal and material properties. The results show good agreement with transient thermal measurements.

Original language	English
Pages (from-to)	4227-4230
Number of pages	4
Journal	IEEE Transactions on Magnetics
Volume	27
Issue number	5
DOIs	https://doi.org/10.1109/20.105034
State	Published - 1 Jan 1991

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title = "Finite element modeling of the rf heating process",

abstract = "The heating of heterogeneous materials by radio frequency excitation is modeled by sequential electromagnetic and thermal analyses using the finite element method. The electromagnetic analysis comprises electrostatic modeling employing temperature dependent complex dielectric permittivity to account for the energy dissipating losses in the material. The thermal analysis consists of a transient finite element procedure with temperature dependent thermal and material properties. The results show good agreement with transient thermal measurements.",

author = "Choi, {Charles T. M.} and A. Konrad",

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AU - Konrad, A.

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N2 - The heating of heterogeneous materials by radio frequency excitation is modeled by sequential electromagnetic and thermal analyses using the finite element method. The electromagnetic analysis comprises electrostatic modeling employing temperature dependent complex dielectric permittivity to account for the energy dissipating losses in the material. The thermal analysis consists of a transient finite element procedure with temperature dependent thermal and material properties. The results show good agreement with transient thermal measurements.

AB - The heating of heterogeneous materials by radio frequency excitation is modeled by sequential electromagnetic and thermal analyses using the finite element method. The electromagnetic analysis comprises electrostatic modeling employing temperature dependent complex dielectric permittivity to account for the energy dissipating losses in the material. The thermal analysis consists of a transient finite element procedure with temperature dependent thermal and material properties. The results show good agreement with transient thermal measurements.

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JO - IEEE Transactions on Magnetics

JF - IEEE Transactions on Magnetics

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Finite element modeling of the rf heating process

Abstract

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