numerical simulation of interior ballistic process of railgun based on the multi-field coupled model

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ID: 227543
2016
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Abstract
Railgun launcher design relies on appropriate models. A multi-field coupled model of railgun launcher was presented in this paper. The 3D transient multi-field was composed of electromagnetic field, thermal field and structural field. The magnetic diffusion equations were solved by a finite-element boundary-element coupling method. The thermal diffusion equations and structural equations were solved by a finite element method. A coupled calculation was achieved by the transfer data from the electromagnetic field to the thermal and structural fields. Some characteristics of railgun shot, such as velocity skin effect, melt-wave erosion and magnetic sawing, which are generated under the condition of large-current and high-speed sliding electrical contact, were demonstrated by numerical simulation.
Reference Key
lin2016defencenumerical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Qinghua Lin, Baoming Li
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Journal Journal of forensic and legal medicine
Year 2016
DOI
10.1016/j.dt.2015.12.008
URL
http://www.sciencedirect.com/science/article/pii/S2214914716000064
Keywords
electromagnetic field finite element

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