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The problem of sensing and controlling the time-dependent thermoelastic response of a layered circular disk is investigated. An unknown transient temperature distribution acting on the surface of a structural layer of the disk is inferred from the electric potential distribution induced in a piezoelectric sensor layer. A determination is then made of the electric potential that could be applied to an actuator layer in order to control the displacement of the disk’s heated surface. Solutions are obtained using a potential function approach and a finite difference approximation. Numerical results are illustrated graphically.
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ASHIDA et al. (2003) studied this question.
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