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A magneto-mechanical strong coupling model of magnetostrictive thin film structures has been proposed for a film-substrate actuator prototype. Calculations have been done with element free Galerkin method (EFGM). Experiments are made to validate the performance of EFGM and examine the efficiency of the model which can be applied to forecast and simulate the real process of micro-sensors or actuators
This paper presents a magneto mechanical coupling hysteresis model for a magnetic force control device based on the Jiles-Atherton equation, the law of approach equation and the equivalent magnetic circuit of the device, and determines the parameters of the model by the genetic algorithm. Comparisons between the calculated and measured results show the validity of the model
A dynamic model of electromagnetic devices constructed with magnetostrictive thin film is developed to study the dynamic characteristics of the system. In the developed model, the inductance is considered as current and geometry dependent so as to represent the magneto-elastic property of the magnetostrictive thin film. Such an inductance is obtained from coupled magnetoelastic field solutions. Element-free...
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