Accurate 3D multi-material EM-thermal modelling | Zendy

Wei Cen | Zendy; Ralph Hoppe | Zendy; Cai Zhao-quan | Zendy; Zhuliang Yu | Zendy; Ning Gu | Zendy

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Accurate 3D multi-material EM-thermal modelling

Author(s) -

Wei Cen,

Ralph Hoppe,

Cai Zhao-quan,

Zhuliang Yu,

Ning Gu

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4977742

Subject(s) - discretization , thermal conductivity , polygon mesh , finite difference method , volume fraction , thermal , finite volume method , constant (computer programming) , finite element method , mechanics , finite difference , heat equation , materials science , mathematical analysis , mathematics , computer science , physics , thermodynamics , geometry , programming language

As the second order finite difference expressions discretize the spatial derivatives in heat equation accurately only for the homogenous material model with constant thermal conductivity, we proposed a method to numerically determinate 3-dimensional thermal response due to electromagnetic exposure accurately even for inhomogenous model. In this paper, the 3-dimensional (3D) EM-thermal modelling is performed with finite volume method. High numerical accuracy of the proposed method allow in vitro experiments with inhomogeneous tissues and non-uniform meshes. The validity of the method is demonstrated by comparing results with the fraction-step semi-implicit method

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