Wave propagation analysis of graphene platelet-reinforced functionally graded porous plates resting on viscoelastic foundations using an integral HSDT

IF 5.7 1区工程技术 Q1 ENGINEERING, CIVIL

Thin-Walled Structures Pub Date : 2025-06-07 DOI:10.1016/j.tws.2025.113502

Qais Gawah , Mohammed A. Al-Osta , Mazen Anwar Abdullah , Fouad Bourada , Abdelouahed Tounsi , Shamsad Ahmad , Salah U. Al-Dulaijan , Mesfer M. Al-Zahrani

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引用次数: 0

Abstract

This paper investigates wave propagation in a functionally graded graphene platelet-reinforced ceramic-metal (FG-GPLRCM) porous plate on viscoelastic substrates. The study employs integral high-order shear deformation theory, effectively reducing the number of unknowns, ensuring compliance with boundary conditions, and accounting for transverse shear effects without the need for shear correction factors. The effective properties of the materials are determined using the Halpin-Tsai model and the rule of mixtures. The governing equations are formulated using Hamilton's principle and solved using a plane wave solution approach. Reinforcement is distributed across the plate's thickness following various configurations, including UD-, O-, X-, A-, and V-types. The proposed model has been validated through several examples, demonstrating its accuracy and efficiency in predicting wave propagation behavior in FG-GPLRCM plates. A comprehensive parametric study examines the influence of porosity, GPL weight fraction, reinforcement distribution patterns, FGM gradient index, plate thickness ratio, and foundation parameters on the wave propagation characteristics of these plates. Results show that phase velocity increases significantly with higher GPL content, especially at greater wavenumbers and porosity levels. Among reinforcement patterns, A-type consistently yields the highest phase velocities, emphasizing the importance of distribution layout. This study highlights key factors affecting FG-GPLRCM plate performance, offering a foundation for optimized design and improved real-world reliability.

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基于积分HSDT的粘弹性基础上石墨烯平板增强功能梯度多孔板的波传播分析

本文研究了粘弹性基底上功能梯度石墨烯片状增强陶瓷-金属（FG-GPLRCM）多孔板中的波传播。本研究采用积分高阶剪切变形理论，有效地减少了未知量，保证了边界条件的遵从性，并且在不需要剪切修正因子的情况下考虑了横向剪切效应。利用Halpin-Tsai模型和混合规律确定了材料的有效性能。控制方程采用哈密顿原理，用平面波解法求解。钢筋分布在板的厚度以下的各种配置，包括UD型，O型，X型，A型和v型。通过实例验证了该模型在FG-GPLRCM板中波传播特性预测中的准确性和有效性。综合参数研究考察了孔隙率、GPL重量分数、配筋分布模式、FGM梯度指数、板厚比和基础参数对这些板的波传播特性的影响。结果表明，随着GPL含量的增加，相速度显著增加，特别是在较大的波数和孔隙度水平下。在强化模式中，a型始终产生最高的相速度，强调了分布布局的重要性。本研究突出了影响FG-GPLRCM板性能的关键因素，为优化设计和提高实际可靠性提供了基础。

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来源期刊

Thin-Walled Structures 工程技术-工程：土木

CiteScore

9.60

自引率

20.30%

发文量

801

审稿时长

66 days

期刊介绍： Thin-walled structures comprises an important and growing proportion of engineering construction with areas of application becoming increasingly diverse, ranging from aircraft, bridges, ships and oil rigs to storage vessels, industrial buildings and warehouses. Many factors, including cost and weight economy, new materials and processes and the growth of powerful methods of analysis have contributed to this growth, and led to the need for a journal which concentrates specifically on structures in which problems arise due to the thinness of the walls. This field includes cold– formed sections, plate and shell structures, reinforced plastics structures and aluminium structures, and is of importance in many branches of engineering. The primary criterion for consideration of papers in Thin–Walled Structures is that they must be concerned with thin–walled structures or the basic problems inherent in thin–walled structures. Provided this criterion is satisfied no restriction is placed on the type of construction, material or field of application. Papers on theory, experiment, design, etc., are published and it is expected that many papers will contain aspects of all three.