Three-dimensional electric field calculations for wire chamber using element refinement method in ANSYS

Three-dimensional electric field calculations for wire chamber using element refinement method in ANSYS
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ANSYS中单元细化法计算线室三维电场

DOI:
10.1007/s41365-018-0519-5
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发表时间:
2018-11
期刊:
Nuclear Science and Techniques
影响因子:
--
通讯作者:
Chun-Lei Zhang
Chun-Lei Zhang
中科院分区:
其他
文献类型:
--
作者:
Yao-Feng Zhang;J. Barney;M. B. Tsang;Chun-Lei Zhang

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采用有限元分析(FEA)方法对多线电极气体探测器进行三维(3D)电场模拟。一种新的元素细化方法与 FEA 程序 ANSYS 结合使用而开发,可以成功地对线进行网格划分,而无需将线实际输入到腔室几何结构中。首先,我们演示了一个只有一根导线的模型,我们计算了中心平面和端盖区域上的电势分布。将结果与使用 GARFIELD 获得的计算结果进行比较,GARFIELD 是一种使用近乎精确的边界元方法的二维程序。然后我们将该方法扩展到相同的模型,但有七根电线。我们的结果表明,新方法可以轻松应用于具有多线和复杂几何形状的复杂气体探测器(例如多线比例室和时间投影室)的 3D 电场计算。
Finite element analysis (FEA) method was employed to perform three-dimensional (3D) electric field simulations for gas detectors with multiple wire electrodes. A new element refinement method developed for use in conjunction with the FEA program ANSYS allows successful meshing of the wires without physically inputting the wires in the chamber geometry. First, we demonstrate a model with only one wire, for which we calculate the potential distributions on the central plane and the end-cap region. The results are compared to the calculations obtained using GARFIELD, a two-dimensional program that uses the nearly exact boundary element method. Then we extend the method to same model, but with seven wires. Our results suggest that the new method can be applied easily to the 3D electric field calculations for complicated gas detectors with many wires and complicated geometry such as multiwire proportional chambers and time projection chambers.
DOI: 10.1109/nssmic.2007.4436320
发表时间: 2007-10
期刊: 2007 IEEE Nuclear Science Symposium Conference Record
影响因子: --
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