Volume 33 Issue 2
Mar.  2024
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Yongzhen GU, Qinggang ZHANG, Xiao YU, et al., “The Choice of Mesh Size and Integration Points Number for the Electrostatically Controlled Membrane Antenna Structural-Electromagnetic Coupling Model,” Chinese Journal of Electronics, vol. 33, no. 2, pp. 443–448, 2024 doi: 10.23919/cje.2022.00.424
Citation: Yongzhen GU, Qinggang ZHANG, Xiao YU, et al., “The Choice of Mesh Size and Integration Points Number for the Electrostatically Controlled Membrane Antenna Structural-Electromagnetic Coupling Model,” Chinese Journal of Electronics, vol. 33, no. 2, pp. 443–448, 2024 doi: 10.23919/cje.2022.00.424

The Choice of Mesh Size and Integration Points Number for the Electrostatically Controlled Membrane Antenna Structural-Electromagnetic Coupling Model

doi: 10.23919/cje.2022.00.424
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  • Author Bio:

    Yongzhen GU was born in 1991. He received the Ph.D. degree in mechanical engineering from Xidian University, China, in 2019. He is currently a M.S. Supervisor at Qingdao University of Science and Technology. His research interests include multidisciplinary optimization, multi-physical field coupling, and structural optimization design of spaceborne antennas. (Email: yzgu@qust.edu.cn)

    Qinggang ZHANG was born in 1997. He is currently studying for the M.S. degree at Qingdao University of Science and Technology, focusing on the optimization design of spaceborne antenna structure. (Email: 2528909062@qq.com)

    Xiao YU was born in 1998. He is currently studying for the M.S. degree in mechanical engineering from Qingdao University of Science and Technology. His research interests include thermal deformation analysis and shape finding of cable membrane truss antenna. (Email: 1157609561@qq.com)

    Guixu LI was born in 1997. He is currently studying for the M.S. degree at Qingdao University of Science an Technology. His research interests include electrical performance analysis and optimization on spaceborne antennas. (Email: 1549653310@qq.com)

  • Corresponding author: Email: yzgu@qust.edu.cn
  • Received Date: 2022-12-12
  • Accepted Date: 2023-03-21
  • Available Online: 2023-07-17
  • Publish Date: 2024-03-05
  • It is of great significance for the improvement of the computational efficiency of the electrostatically controlled membrane antenna (ECMA) structural-electromagnetic coupling model through the choice of appropriate mesh size and integration points number. In this paper, the physical optics formulation is used to analyze the radiation pattern of the ECMA surface, and the finite element method is applied to the electrostatic-structural coupling analysis. An expression for the relation between the mesh size, the focal length of the parabolic antenna, and the wavelength is developed based on the discretization error analysis of the triangular mesh approximating the parabolic surface. Moreover, the integration points number in each triangular mesh is determined by the numerical evaluation of the physical optics integral. Numerical results show that the proposed method improves the computing efficiency by about 87% compared with the referenced method.
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