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- W2015746873 abstract "Compared to piezoceramic material, polyvinylidene fluoride polymer has anisotropic electromechanical material properties. Using the fact that the anisotropy and shape of distributed piezopolymer actuators have coupling effects with the vibration modes of structures, studies on the design of distributed piezopolymer actuators are performed in order to improve the effectiveness of active control of the sound fields radiated from composite structures. The sound fields induced by the complicated dynamic behaviors of a composite structure was analyzed using coupled finite element and boundary element methods. Active control of sound fields is attempted through minimization of the radiated sound power from a plate. Some numerical results of sound control problems are presented with actuators of various shapes and lamination angles. The results indicate that the anisotropy and shape of distributed piezopolymer actuators are promising factors in the design of distributed piezoelectric actuators for controlling acoustic radiation from structures." @default.
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- W2015746873 date "1997-05-01" @default.
- W2015746873 modified "2023-10-13" @default.
- W2015746873 title "ACTIVE CONTROL OF SOUND FIELDS FROM A COMPOSITE PLATE USING THE ANISOTROPY AND SHAPE OF DISTRIBUTED PVDF ACTUATORS" @default.
- W2015746873 doi "https://doi.org/10.1006/jsvi.1996.0857" @default.
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