Modelling of vibration and noise control of a submerged circular plate

This paper presents a numerical approach for modelling of a thin circular plate clamped on
the edges in a rectangular enclosure and containing distributed piezoelectric actuators under
dynamic mechanical and electrical loadings. The plate is also loaded on one side by heavy
fluid (water) and on the other side contacts with air. The finite element method analysis was
performed, supported by the ANSYS computer package. The numerical solutions were confirmed
experimentally. The obtained results demonstrate a significant reduction of the vibration
level and sound pressure level with the use of piezoceramic actuators.