The European Physical Journal Special Topics

, Volume 154, Issue 1, pp 229–233 | Cite as

Sound radiation by set of L-jointed plates with four pairs of piezoelectric elements

  • J. WiciakEmail author


In the paper the possibilities of reducing the amplitude of structural vibrations and radiated noise in the way of use of piezoelectric actuators are discussed. The tests were done for the L-jointed aluminium plates. On one of its surfaces there were mounted four piezoelectric actuators and on the opposite one there were placed four piezoelectric sensors. The one of the four actuators was used as vibrations generator, while the remaining ones were used for vibration control. The influence of activation and mode shape form on the structure's response were investigated. The finite element method [15] analysis was performed, with the application of ANSYS computer package [1]. The numerical solutions were confirmed experimentally.


European Physical Journal Special Topic Sound Pressure Level Piezoelectric Actuator Sound Radiation Anechoic Chamber 
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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2008

Authors and Affiliations

  1. 1.Department of Mechanics and VibroacousticsAGH University of Science and TechnologyKrakówPoland

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