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首页> 外文期刊>Smart Materials & Structures >Theoretical and experimental investigations on the active structural-acoustic control of a thin plate using a vertically reinforced 1-3 piezoelectric composite
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Theoretical and experimental investigations on the active structural-acoustic control of a thin plate using a vertically reinforced 1-3 piezoelectric composite

机译：垂直增强1-3压电复合材料薄板的主动结构声控制的理论和实验研究

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摘要

This paper deals with investigations on the active structural-acoustic control of a thin homogeneous isotropic plate using vertically reinforced 1-3 piezoelectric composite (PZC) material. A finite element model is developed for the plate which is integrated with a patch of active constrained layer damping (ACLD) treatment and coupled with an acoustic cavity to describe the coupled structural-acoustic behavior of the plate. The constraining layer of the ACLD treatment is composed of the vertically reinforced 1-3 PZC material. Both in-plane and out-of-plane actuations by the constraining layer of the ACLD treatment have been utilized for deriving the finite element model. An experiment is also carried out to investigate the performance of the patch of the ACLD treatment in which the constraining layer of the patch is made of vertically reinforced 1-3 PZC for active structural-acoustic control of the plate. Both the finite element analysis and the experimental investigation agree with each other and reveal that the vertically reinforced 1-3 PZC material performs excellently for achieving active structural-acoustic control of the isotropic plate.
机译：本文研究了使用垂直增强1-3压电复合材料（PZC）的均匀均质薄板的主动结构声控制的研究。为该板开发了有限元模型，该模型与主动约束层阻尼（ACLD）处理的补丁集成在一起，并与声腔耦合，以描述板的耦合结构-声学特性。 ACLD处理的约束层由垂直增强的1-3 PZC材料组成。 ACLD处理的约束层在平面内和平面外的驱动都已用于推导有限元模型。还进行了一项实验来研究ACLD处理的贴片的性能，其中贴片的约束层由垂直增强的1-3 PZC制成，用于主动控制板的结构。有限元分析和实验研究都彼此一致，并揭示了垂直增强的1-3 PZC材料在实现各向同性板的主动结构声学控制方面表现出色。

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