Elastoacoustics

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Department of Mechanics, Biomechanics and Mechatronics

Synopsis:

Theory of interaction between flexible structures and acoustic medium. Deriving of motion equations of elastoacoustic structure composed of vibrating flexible plate and closed acoustic room. Analysis of damping influence on behaviour of elastoacoustic structure. Deriving of damping matrix of the elastoacoustic structure in the case, that the magnitudes of absorption of boundary areas are known and magnitudes of damping of flexible structure are given. Coupling of acoustical systems with vibrating flexible structure. The case of flexible plates coupled with acoustic medium. Modelling of elastoacoustic systems by using the finite element system ANSYS 5.3. Modal analysis of investigated elastoacoustic systems. Influence of the parameters on behaviour of investigated elastoacoustis structure. Analysis of various kinds of elastoacoustic structures excitations, definition of boundary conditions.

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