单级感应线圈炮场路耦合运动时步有限元分析

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Abstract Based on Maxwell equation, a time stepping finite element analysis(FEA) model coupled circuit field and movement used in analyzing single-stage inductive coil gun is presented in this paper, which could solve the problem of impulsing power supply in field-circuit coupled FEA. The transient 2D magnetic field circuit coupling problems are solved by the Crank-Nicholson method, and the problems of motion is handled by the moving coordinates. The force is calculated by nodal force method. The paper sets up the 2D transient electromagnetic field-circuit-moving model of single-stage inductive coil gun. The performance of a single-stage inductive coil gun is analyzed using above model. The calculation result is very close to the measure results, which verifies the model accuracy.

Key words： Coil gun field circuit coupling transient magnetic field nodal force method

Received: 11 December 2009 Published: 07 March 2014

PACS:

TM154

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	Guan Xiaocun
	Lei Bin
	Li Zhiyuan

Cite this article:

Guan Xiaocun,Lei Bin,Li Zhiyuan. Field Circuit and Movement Coupled Time Stepping Finite Element Analysis on Single-Stage Inductive Coil Gun[J]. Transactions of China Electrotechnical Society, 2011, 26(9): 138-143.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2011/V26/I9/138

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