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首页> 外文期刊>Zeitschrift fur Angewandte Mathematik und Mechanik >An analytic approach to piezoelectric fiber composites - From micromechanics modeling to beam behavior
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An analytic approach to piezoelectric fiber composites - From micromechanics modeling to beam behavior

机译：压电纤维复合材料的一种分析方法-从微力学建模到射束行为

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摘要

In the context of adaptive systems, the technology of piezoelectric fiber composites with its capabilities for high-speed actuation and the beneficial effects of tailorable anisotropy is of great interest for structurally integrated vibration suppression and acoustic control. In order to study the interaction between active and load carrying functionalities and to analyze the influence of the diverse parameters, an analytic model containing all major characteristics from the micromechanics to the structural mechanics level is described. The effective electroelastic properties of a lamina with embedded continuous piezoceramic fibers exposed to an electric field in fiber direction are examined in the closeup investigation of a representative volume. With the aid of the classical lamination theory, extended by the internal actuation loads, such plies can be combined for the respective purpose. Finally, the active and passive properties of a single-cell closed cross-section beam with walls made from these laminated composites are derived. [References: 4]
机译：在自适应系统的背景下，压电纤维复合材料技术具有高速驱动能力和可调整的各向异性的有益效果，对结构集成的振动抑制和声学控制非常感兴趣。为了研究主动功能和负载功能之间的相互作用并分析各种参数的影响，描述了一个包含从微观力学到结构力学水平的所有主要特征的分析模型。在具有代表性的体积的特写研究中检查了具有嵌入的连续压电陶瓷纤维在纤维方向上暴露于电场的薄片的有效电弹性性能。借助于经典的层压理论，通过内部致动载荷的扩展，可以将这些帘布层组合用于各自的目的。最后，得出了具有由这些层压复合材料制成的壁的单孔封闭截面梁的主动和被动特性。 [参考：4]

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