嵌入形状记忆合金的三角形复合板在超音速流动时的热航空弹性分析

IF 2.4 3区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Intelligent Material Systems and Structures Pub Date : 2024-07-24 DOI:10.1177/1045389x241262609
Zabihulah Zabihi, Morteza Dardel, Alireza Fathi
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引用次数: 0

摘要

这项研究探讨了形状记忆合金(SMA)在超音速流动条件下控制三角形复合板不稳定性的有效性。Lagoudas 的二次多项式硬化理论建立了 SMA 效应模型。一阶活塞理论用于空气动力学建模,参考温度法用于热加热建模。研究了四种不同铺层在不同边界条件下的屈曲和屈曲后行为。此外,还研究了有形状记忆合金丝和无形状记忆合金丝复合板的屈曲和后屈曲。还精确研究了 SMA 线对气动弹性不稳定性的影响。嵌入的 SMA 线明显增加了稳定区域(后发散和扑腾速度)和屈曲温度。此外,还测定了三角形复合板在不同马赫数下的时间响应,结果表明通过增加马赫数,SMA 线可以控制或减小振动幅度。
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Thermo-aeroelastic analysis of triangular composite plate with embedded shape memory alloy at supersonic flow
This work investigates the effectiveness of a shape-memory alloy (SMA) in controlling the instabilities of triangular composite plates under supersonic flow. Lagoudas’ quadratic polynomial hardening theory models the SMA effect. First-order piston theory was used for the aerodynamic modeling, and the reference-temperature method was used for modeling the thermal heating. The buckling and post-buckling behaviors were studied for different boundary conditions with four different layups. In addition, buckling and post-buckling of the composite plate, with and without shape memory alloy wire, has been studied. The effect of SMA wire on aeroelastic instabilities is accurately studied. The embedded SMA wire significantly increased the stability region (postpone divergence and flutter velocities) and buckling temperature. Also, the time responses of the triangular composite plate are determined at different Mach numbers, showing that by increasing the Mach number, the SMA wire can control or decrease the vibration amplitudes.
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来源期刊
Journal of Intelligent Material Systems and Structures
Journal of Intelligent Material Systems and Structures 工程技术-材料科学:综合
CiteScore
5.40
自引率
11.10%
发文量
126
审稿时长
4.7 months
期刊介绍: The Journal of Intelligent Materials Systems and Structures is an international peer-reviewed journal that publishes the highest quality original research reporting the results of experimental or theoretical work on any aspect of intelligent materials systems and/or structures research also called smart structure, smart materials, active materials, adaptive structures and adaptive materials.
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