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
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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