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首页> 外文会议>Applied Simulation and Modelling >FINITE ELEMENTS MODELING FOR THE CHARACTERIZATION OF RIGIDITY INCREMENT OF A PIEZOCERAMIC ACTUATOR INTEGRATED IN THERMOPLASTIC PARTS
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FINITE ELEMENTS MODELING FOR THE CHARACTERIZATION OF RIGIDITY INCREMENT OF A PIEZOCERAMIC ACTUATOR INTEGRATED IN THERMOPLASTIC PARTS

机译：集成在热塑零件中的压电陶瓷作动器的刚度增加的有限元建模

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摘要

Plate and shell laminates that include piezoelectric layers have found increasing use in modern engineering applications, especially in the field of smart structures, where the piezoelectric components are used as actuator and sensor. Many functional constraints prohibit controlling the structure by elements reported on surfaces of the object. Thus, the piezoelectric actuators and sensors necessary for the control of the structures will be integrated into this one, i.e., in material even the material of the shell. The current development of the integrated smart structures is primarily carried out in supports with thermosetting materials which constitute an obstacle to their development in the automobile sector where the parameter of recycling is dominating. For this reason, we propose to use thermoplastic materials. Unfortunately, the current processes of achieving models in smart thermoplastic structures are not directly exploitable for the integration of components such as the piezoelectric actuators and sensors which are fragile and sensitive to the temperature. The objective of this work consists on studying the thermal behavior of piezoelectric actuator in order to characterize its rigidity increment with a systematic increase of temperature by using the homogenization theory and the finite elements modeling developed under "ANSYS" and "ROBOT Millennium" software.
机译：包含压电层的板壳层压板在现代工程应用中得到了越来越多的使用，尤其是在智能结构领域，其中压电组件用作致动器和传感器。许多功能限制禁止通过报告在对象表面上的元素控制结构。因此，控制结构所必需的压电致动器和传感器将被集成到该结构中，即，在材料上，甚至在外壳的材料上。集成智能结构的当前开发主要是在具有热固性材料的支架中进行的，这阻碍了它们在以回收参数为主导的汽车领域的发展。因此，我们建议使用热塑性材料。不幸的是，在智能热塑性结构中实现模型的当前过程不能直接用于集成易碎且对温度敏感的组件（例如压电致动器和传感器）。这项工作的目的在于研究压电致动器的热行为，以便利用均质化理论和在“ ANSYS”和“ ROBOT Millennium”软件下开发的有限元模型来表征随着温度的系统升高而引起的刚性增量。

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