On propagation analysis of flexural waves in functionally graded poroelastic biocomposite higher-order beams

IF 2.9 3区工程技术 Q2 MECHANICS

Acta Mechanica Pub Date : 2025-05-29 DOI:10.1007/s00707-025-04362-1

Hu Yuanchao, Wu Yijiang, Mostafa Habibi, Dong Zhicong, Li Bei, Liang Yuhuan

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引用次数: 0

Abstract

The present work uses higher-order shear deformation theory to investigate the propagation behavior of a functionally graded poroelastic biocomposite (FGPB) beam placed on an elastic medium. Titanium-hydroxyapatite and gold-hydroxyapatite alloy were used as ingredients for two biocomposites. It is assumed that the structure is supported by an elastic medium. An improved power-law homogenization scheme that calculates porosity is used to compute the effective material characteristics of the FGPB beam. The result showed that the wave number, porosity coefficients, and Winkler–Pasternak parameters have an increasing role in the wave frequency and phase speed of both biocomposites. The power index also presented different behaviors in two biocomposites. Emphasizing the theoretical analysis, the current study shows how the change in the distribution patterns of the elastic medium and the amount of porosity can affect the performance and efficiency of biocomposites. These findings can be effective in designing and optimizing biocomposite materials with desirable mechanical properties and various applications in bioengineering and composite materials.

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功能梯度多孔弹性生物复合材料高阶梁中弯曲波的传播分析

本研究利用高阶剪切变形理论研究了功能梯度多孔弹性生物复合材料（FGPB）束流在弹性介质上的传播行为。以钛-羟基磷灰石和金-羟基磷灰石合金为原料制备了两种生物复合材料。假设结构是由弹性介质支撑的。采用改进的幂律均匀化方法计算孔隙率，计算了FGPB梁的有效材料特性。结果表明，波数、孔隙系数和温克勒-帕斯捷尔纳克参数对两种生物复合材料的波频率和相速度的影响都越来越大。功率指数在两种生物复合材料中表现出不同的行为。本研究着重于理论分析，揭示了弹性介质的分布模式和孔隙率的变化如何影响生物复合材料的性能和效率。这些发现可以有效地设计和优化具有理想力学性能的生物复合材料，并在生物工程和复合材料中得到各种应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Acta Mechanica 物理-力学

CiteScore

4.30

自引率

14.80%

发文量

292

审稿时长

6.9 months

期刊介绍： Since 1965, the international journal Acta Mechanica has been among the leading journals in the field of theoretical and applied mechanics. In addition to the classical fields such as elasticity, plasticity, vibrations, rigid body dynamics, hydrodynamics, and gasdynamics, it also gives special attention to recently developed areas such as non-Newtonian fluid dynamics, micro/nano mechanics, smart materials and structures, and issues at the interface of mechanics and materials. The journal further publishes papers in such related fields as rheology, thermodynamics, and electromagnetic interactions with fluids and solids. In addition, articles in applied mathematics dealing with significant mechanics problems are also welcome.