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

Yao-Feng Zhang; J. Barney; M.B. Tsang; Chun-Lei Zhang

doi:10.1007/s41365-018-0519-5

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

Special Section on International Workshop on Nuclear Dynamics in Heavy-Ion Reactions (IWND2018) | Updated：2021-02-07

- Three-dimensional electric field calculations for wire chamber using element refinement method in ANSYS
- Nuclear Science and Techniques Vol. 29, Issue 12, Article number: 182(2018)
- Affiliations：
  
  1.The Key Laboratory of Beam Technology and Material Modification of Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China
  2.Beijing Radiation Center, Beijing 100875, China
  3.National Superconducting Cyclotron Laboratory, and Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
- Author bio：
  
  Corresponding author, lei@bnu.edu.cn
- Funds：
- DOI：10.1007/s41365-018-0519-5
  CLC：
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Yao-Feng Zhang, J. Barney, M.B. Tsang, et al. Three-dimensional electric field calculations for wire chamber using element refinement method in ANSYS. [J]. Nuclear Science and Techniques 29(12):182(2018)
DOI：

Yao-Feng Zhang, J. Barney, M.B. Tsang, et al. Three-dimensional electric field calculations for wire chamber using element refinement method in ANSYS. [J]. Nuclear Science and Techniques 29(12):182(2018) DOI： 10.1007/s41365-018-0519-5.

摘要

Abstract

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 (NEBEM). 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 (MWPC) and time projection chambers (TPC).

关键词

Keywords

Finite element analysisTime projection chambersNearly exact boundary element method

references

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J.C. Ziac, E. Aprile, M. Messina, Numerical Simulation of the Electric Field and the Study of the Electron Collection Efficiency in a Xe TPC. http://xenon.astro.columbia.edu/REU/COMSOLjulia2012.pdfhttp://xenon.astro.columbia.edu/REU/COMSOLjulia2012.pdf

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