Open AccessResearch on the Simplified Calculation Model of Large Phased Array Radar Reflector Mechanics Based on NASTRAN
Author(s) -
Ye Gu,
Jin Wei Wang,
Bao Tang
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/926/1/012016
Subject(s) - finite element method , phased array , reflector (photography) , grid , radar , shell (structure) , antenna (radio) , regular grid , process (computing) , mesh generation , acoustics , computer science , structural engineering , optics , engineering , geometry , physics , mechanical engineering , aerospace engineering , mathematics , telecommunications , light source , operating system
there are many plates and beams on the radar array. In the process of finite element calculation, choosing the appropriate shell mesh finite element model to replace the solid finite element model can reduce the calculation amount. In this paper, the finite element solid mesh model is established based on the reflection panel model of a radar antenna array, and the simulation results are obtained. Secondly, the shell grid is used to perform finite element modeling and correction calculations on the reflective panel. The results show that the modified shell grid calculation results are very close to the solid grid model results, and can replace the solid grid to simplify the calculation of the array.