Influence of the electric current waveform on the dynamic response of the electrified composites

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• 作者：A. Barakati (1)
  O. I. Zhupanska (1)
  
• 关键词：Electro ; magneto ; thermo ; mechanical coupling ; Electrically conductive composite ; DC electric current ; AC electric current ; Pulsed electric current ; Impact
• 刊名：International Journal of Mechanics and Materials in Design
• 出版年：2013
• 出版时间：March 2013
• 年：2013
• 卷：9
• 期：1
• 页码：11-20
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  13. Zhupanska, O.I., Sierakowski, R.L.: Electro-thermo-mechanical coupling in carbon fiber polymer matrix composites. Acta Mech. 218(3-), 219-32 (2011)
  
• 作者单位：A. Barakati (1)
  O. I. Zhupanska (1)
  
  1. Department of Mechanical and Industrial Engineering, Seamans Center for the Engineering Arts and Sciences, The University of Iowa, Iowa City, IA, 52242-1527, USA
  
• ISSN：1573-8841

文摘

The influence of the electric current waveform (DC, AC and pulsed currents) on the dynamic electromagnetic, thermal, and impact response of the composite plate is studied. The analysis includes solving Maxwell’s equations in the electrified composite plate to determine an electric-current induced magnetic field and heat transfer equation to estimate the electric-current-induced heating. In addition, the dynamic mechanical response of the electrified composite plate subjected to impact and various electromagnetic loads (DC, AC, pulsed electric currents and a constant magnetic field) is analyzed by solving a coupled system of equations of motion and Maxwell’s equations in the composite plate. The results show that the dynamic response of the plate is highly dependent on the characteristics of the electromagnetic field, and the pulsed electromagnetic fields are most effective in reducing vibrations caused by the application of dynamic mechanical loads.