考虑动态损耗的超磁致伸缩换能器的多场耦合模型

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Abstract Based on the thermodynamic theory, the Jiles-Atherton model, the energy balance principle, and the structural dynamics principle of the transducer system, a multi-field coupling model of the giant magnetostrictive transducer is founded, which includes the magnetic-mechanical-thermal coupling terms and takes the dynamic losses into account. According to the proposed model, the relation between the magnet field and the output strain of the transducer is calculated using the numerical algorithm. Simulation results are in good agreement with the experimental ones, which indicates that the multi-fields coupling model considering the dynamic losses can well describe the actual working conditions of the transducer and provide theoretical guidance for design and development of the transducer in future.

Key words： Giant magnetostrictive transducer multi-field coupling model dynamic losses temperature effect

Received: 19 June 2014 Published: 20 April 2016

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TM153

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	Articles by authors
	Huang Wenmei
	Xue Yinlong
	Wang Li
	Weng Ling
	Wang Bowen

Cite this article:

Huang Wenmei,Xue Yinlong,Wang Li等. Multi-Field Coupling Model Considering Dynamic Losses for Giant Magnetostrictive Transducers[J]. Transactions of China Electrotechnical Society, 2016, 31(7): 173-178.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I7/173

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