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首页> 外文期刊>Applied Mathematical Modelling >Dynamic instability zone analysis of laminated piezoelectric cylindrical shell with delamination under hygrothermal effects
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Dynamic instability zone analysis of laminated piezoelectric cylindrical shell with delamination under hygrothermal effects

机译:湿热效应下分层叠层压电圆柱壳动态不稳定区分析

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摘要

To use effectively the shell in high-performance applications, analyzing the effect of hygrothermal effects on a piezoelectric delamination event is necessary. A laminated piezoelectric cylindrical shell with delamination is first established under hygrothermal effects, followed by an internal force analysis and an energy analysis of the shell. Then, a parametric vibration equation of the Mathieu for the shell is obtained by using the energy variation of the Rayleigh-Ritz method; later on, the harmonic balance method is employed to solve this equation. Finally, the effects of delamination parameters, geometric parameters, hygrothermal effects, and piezoelectric materials on the shell under uniformly distributed axial load are discussed.
机译:为了有效地使用壳体在高性能应用中,需要分析湿热效应对压电分层事件的影响。 首先在湿热效应下建立具有分层的层压压电圆柱壳,其次是内部力分析和壳体的能量分析。 然后,通过使用瑞利-Ritz方法的能量变化来获得用于外壳的Mathieu的参数振动方程; 后来,采用谐波平衡方法来解决这个方程。 最后,讨论了分层参数,几何参数,湿热效应和壳体上均匀分布轴向载荷下壳体上的压电材料的影响。

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