NONLINEAR MECHANICS AND BUCKLING ANALYSIS OF COMPOSITE SHELLS WITH EMBEDDED PIEZOELECTRIC ACTUATORS AND SENSORS

机译：嵌入式压电致动器和传感器的复合材料壳的非线性力学和屈曲分析

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Nonlinear mechanics for piezoelectric composite laminates and shells are presented which include nonlinear effects due to large displacements and rotations. The mechanics are incorporated into the mixed piezoelectric laminate theory. Using the mechanics, a nonlinear finite element method and an incremental solution are formulated for the nonlinear analysis of adaptive shell structures. An eight-node shell finite element is developed. The mechanics are applied to predict the buckling of laminated piezoelectric shells induced by combined electromechanical loading. Application cases quantify the mechanical buckling of composite circular beams and cylindrical panels with piezoelectric sensors, the piezoelectric buckling of active circular beams and shells, and the feasibility of active buckling compensation.

机译：提出了压电复合材料层压板和壳体的非线性力学，其中包括由于大位移和旋转而引起的非线性效应。该力学被纳入混合压电层压板理论。利用力学原理，为自适应壳结构的非线性分析制定了非线性有限元方法和增量解。开发了八节点壳有限元。将该力学应用于预测由组合的机电载荷引起的层压压电壳的屈曲。应用案例量化了带有压电传感器的复合圆梁和圆柱面板的机械屈曲，主动圆梁和壳体的压电屈曲以及主动屈曲补偿的可行性。

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来源
《The 2001 ASME International Mechanical Engineering Congress and Exposition, 2001, Nov 11-16, 2001, New York, New York》|2001年|p.129-140|共12页
会议地点 New York NY(US)
作者
Dimitris Varelis; Dimitris A. Saravanos;
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作者单位

Department of Mechanical Engineering Aeronautics University of Patras, Patras, GR26500, Greece;

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原文格式 PDF
正文语种 eng
中图分类机械、仪表工业;
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NONLINEAR MECHANICS AND BUCKLING ANALYSIS OF COMPOSITE SHELLS WITH EMBEDDED PIEZOELECTRIC ACTUATORS AND SENSORS

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