Applied Mathematics and Mechanics (English Edition) ›› 1998, Vol. 19 ›› Issue (7): 669-676.

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MAGNETOELASTIC BENDING AND STABILITY OF SOFT FERROMAGNETIC RECTANGULAR PLATES

Zhou Youhe, Wang Xingzhe, Zheng Xiaojing   

  1. Department of Mechanics, Lanzhou University, Lanzhou 730000, P.R.China
  • Received:1997-01-23 Online:1998-07-18 Published:1998-07-18
  • Supported by:
    Project supported by the National Natural Science Foundation of China and the Science Foundations of the National Education Committee of China for the Scholars Returned from Abroad and for the Excellent Young Teachers in Universities

Abstract: In this paper, the phenomenon of magnetoelastic bending is theoretically simulated for soft ferromagnetic rectangular thin plates in applied magnetic fields. A numerical program of 3d FEM is established to capture the nonlinear coupling intercationbetween magnetic fields and bending deflection. Afler the nonlinear characteristic of the bending deflection and the magnetic (field) force is quantitatively displayed, wediscuss the critical magnetic field and the effect of the incident angle of obliquely applied magnetic field on the critical field to the phenomenon of magnetoelastic instablitlity.

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