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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2009, Vol. 10 Issue (3): 319-326    DOI: 10.1631/jzus.A0820517
Civil and Mechanical Engineering     
Magnetoelectroelastic fields in rotating multiferroic composite cylindrical structures
Ji YING, Hui-ming WANG
Department of Mechanical Engineering; Department of Mechanics, Zhejiang University, Hangzhou 310027, China
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Abstract  An analytical solution is obtained for a rotating multiferroic composite hollow cylinder made of radially polarized piezoelectric and piezomagnetic materials. Both the number of layers and the stacking sequence of the composite cylinder can be arbitrary. General mechanical, electric and magnetic boundary conditions can be applied at both the inner and outer cylindrical surfaces. The state space method is employed so that only a 2×2 matrix is involved in the whole solving procedure. In the numerical experiments, the distributions of elastic, electric as well as magnetic fields in an internally pressurized rotating BaTiO3/CoFe2O4 composite hollow cylinder subjected to different boundary conditions are presented graphically. The results clearly show that the stress fields in a multiferroic composite cylinder are controllable.

Key words： Analytical solution      Multiferroic composite      Rotating hollow cylinder      State space method     
Received: 08 April 2008     
CLC:  O343.1  
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Ji YING
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Ji YING, Hui-ming WANG. Magnetoelectroelastic fields in rotating multiferroic composite cylindrical structures. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2009, 10(3): 319-326.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A0820517     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2009/V10/I3/319

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