Journal of Projectiles, Rockets, Missiles and Guidance >
Transient Dynamic Analysis of Quadrupole Magnetic Field Rail Under Strong Pulsed Current
Received date: 2018-06-02
Online published: 2025-05-20
To improve the stability of the structure and the rail's operational life span during the electromagnetic rail launch by quadrupole magnetic field, the electromagnetic-structure coupling analysis module in ANSYS is used to study the rails' forces, deformation, inner stress and radial acceleration at rise, peak and descending stage of the current as well as the whole process. The results show that the deformation of the quadrupole magnetic rail continues to increase in the transient electromagnetic launching process; the stress and acceleration of rail at the current catastrophe are both larger, and the elastic support can play an active role in the stability of the rail. The results provide theoretical guidance for the optimal design of rail structure and its stabilization.
YANG Zhiyong , FENG Gang , TONG Siyuan , SHI Jianming . Transient Dynamic Analysis of Quadrupole Magnetic Field Rail Under Strong Pulsed Current[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2019 , 39(3) : 119 -124,129 . DOI: 10.15892/j.cnki.djzdxb.2019.03.027
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