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首页> 外文期刊>Journal of thermal stresses >DEFORMATION CONTROL OF LAMINATED COMPOSITE PLATES CONTAINING PIEZOELECTRIC LAYERS UNDER THERMAL LOADING
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DEFORMATION CONTROL OF LAMINATED COMPOSITE PLATES CONTAINING PIEZOELECTRIC LAYERS UNDER THERMAL LOADING

机译：热载荷作用下含压电层的复合材料层合板的变形控制

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摘要

A composite plate containing piezoceramics on both the upper and bottom surfaces is considered. Based on the piezoelectricity with consideration for the coupling between the strain field and the electric field, a finite element formulation is developed. An eight-node three-dimensional brick element is used, and three-dimensional incompatible modes are introduced to take into account the bending behavior of the structure. The response of the structure and the sensor electrical outputs subjected to thermal loading as well as the required voltage that should be applied to reduce the deflection resulting from thermal loading are analyzed. In addition, this study also analyzes the effect of coupling between the strain field and the electrical field. It shows that the coupling effect may not be negligible; the larger the piezoelectric constant, or the thinner the main structure, the larger the coupling effect will be.
机译：考虑在上表面和下表面均包含压电陶瓷的复合板。基于压电性，考虑应变场和电场之间的耦合，开发了有限元公式。使用八节点三维砖单元，并引入三维不兼容模式以考虑结构的弯曲行为。分析了结构的响应以及传感器承受热负荷的电输出以及应施加的电压，以减少热负荷引起的挠度。此外，本研究还分析了应变场与电场之间的耦合效应。这表明耦合效应可能是不可忽略的。压电常数越大，或者主体结构越薄，则耦合效果越大。

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