电容层析成像中的电场模拟

2012 IEEE International Conference on Imaging Systems and Techniques Proceedings Pub Date : 2012-07-16 DOI:10.1109/IST.2012.6295592

J. Kryszyn, W. Smolik, R. Szabatin, J. Mirkowski

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引用次数: 2

摘要

电容层析成像的应用需要定制设计的传感器和单独计算的灵敏度矩阵。该传感器可以使用电场模拟器进行建模。采用先进的仿真软件QuickWave-3D对设计的传感器进行了灵敏度矩阵的生成。给出了计算结果，并与本课题组先前开发的自定义有限元软件包的计算结果进行了比较。自定义求解器计算速度快，但对电场的模拟是二维的，并且使用规则的方形网格，在某些区域离散性不足。本文比较了两种有限元求解方法的计算结果。通过比较，还验证了二维建模和正则离散网格在自定义求解器中的应用。

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Electric field simulation in electrical capacitance tomography

The applications of electric capacitance tomography require a custom-designed sensor with individually calculated sensitivity matrix. The sensor can be modeled using an electric field simulator. A highly advanced simulator QuickWave-3D was applied to generate a sensitivity matrix for a designed sensor. The calculation results are presented and compared with the results obtained using custom FEM software packages elaborated previously by our group. The custom solvers enable fast computation but simulate electric field in 2D and use regular square mesh which can cause insufficient discretization in some regions. In this paper the comparison of results obtained by two types of FEM solvers is presented. The comparison enables also a validation of 2D modeling and application of regular discretization mesh in our custom solvers.

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2012 IEEE International Conference on Imaging Systems and Techniques Proceedings

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