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An efficient calculation scheme for the numerical simulation of coupled magnetomechanical systems

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3 Author(s)
Kaltenbacher, M. ; Dept. of Electr. Meas. Technol., Linz Univ., Austria ; Landes, H. ; Lerch, R.

A recently developed modeling scheme for the numerical simulation of coupled magnetomechanical systems immersed in an acoustic fluid is presented. The scheme allows the calculation of dynamic rigid motions as well as deformations of magnetic and anti-magnetic materials in a magnetic field. The equations governing the magnetic, mechanical and acoustic field quantities are solved using a combined finite-element-boundary-element-method (FEM-BEM), resulting in a separation of the stationary and the moving parts of the structure. Therewith, the well known problem of mesh distortion in finite element techniques due to moving parts can be avoided. A computer simulation of a magnetomechanical transducer immersed in an acoustic fluid (acoustic power source) is presented demonstrating the efficiency of the developed algorithm

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Magnetics, IEEE Transactions on  (Volume:33 ,  Issue: 2 )