Strength Analysis of Rails and Panels of Cantilever Electromagnetic Railgun during Launching

doi:10.3969/j.issn.1000-1093.2020.01.003

Abstract

Abstract: A cantilevered double-layer elastic beam model with the rails as upper beams and the panels as lower beams is established for further investigating the model theory of electromagnetic railgun. The analytical method is used to get the bending moment and stress of the model during launching. The numerical solution is compared with the analytical solution. The results show that the numerical solution is in good agreement with the analytical solution, and the analytical method is verified to be reliable. The maximum dynamic response of double-layer elastic beam occurs in the range of 0 to 0.5 m from starting position, and the responses of upper beams are bigger than those of lower beams. The research results can be used for the design and strength analysis of electromagnetic railgun. Key

Key words: cantileverelectromagneticrailgun, rail, panel, strengthanalysis, double-layerelasticcantileverbeam, launchstate

CLC Number:

TJ866

HE Wei, WEI Yanjing. Strength Analysis of Rails and Panels of Cantilever Electromagnetic Railgun during Launching[J]. Acta Armamentarii, 2020, 41(1): 21-31.

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第41卷第1期
2020 年1月兵工学报ACTA
ARMAMENTARIIVol.41No.1Jan.2020

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