基于渐近均质化方法的压电复合材料静态特性的机电耦合等距分析

IF 2.4 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Intelligent Material Systems and Structures Pub Date : 2024-07-25 DOI:10.1177/1045389x241265155

Liming Zhou, He Zhu, Zhong Zhang, Fei Cheng

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引用次数: 0

摘要

精确的力学分析对于可靠利用压电复合材料 (PCM) 至关重要。本研究介绍了基于渐近均质化方法 (AHM) 的 PCM 等距分析 (IGA)（称为 PCMIGA），并将其用于研究 PCM 的静态力学特性。PCMIGA 具有精确的曲线表示和较短的预处理时间，因此既精确又高效。首先，利用 AHM 计算不同体积分数下 PCM 的有效参数。然后，将这些有效参数与 PCM 的基本方程和边界条件相结合，得出基于 AHM 的 PCMIGA 方程。最后，将几个数值示例的结果与参考解进行比较，以验证其收敛性和精确性。实践证明，PCMIGA 是分析 PCM 力学性能的一种可靠而精确的方法。

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Electro-mechanical coupling isogeometric analysis of static characteristics in piezoelectric composite materials based on asymptotic homogenization method

Accurate mechanical analysis is essential for reliable utilization of piezoelectric composite materials (PCMs). Isogeometric analysis (IGA) of PCMs (termed PCMIGA) based on the asymptotic homogenization method (AHM) is presented in this study and employed to investigate the static mechanical characteristics of PCMs. PCMIGA provides accurate curve representation and shorter preprocessing time, and thus demonstrates both precision and efficiency. First, AHM is utilized to calculate the effective parameters of PCMs at different volume fractions. Next, these effective parameters are combined with the basic equations and boundary conditions of PCMs to derive equations of PCMIGA based on AHM. Finally, the results from several numerical examples are compared with the reference solution to validate the convergence and precision. PCMIGA is proven to be a reliable and accurate method for analyzing the mechanical properties of PCMs.

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来源期刊

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.