功能分级阀杆优化了固定和滑动表面耦合机制。

IF 1.7 4区医学 Q3 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS

Computer Methods in Biomechanics and Biomedical Engineering Pub Date : 2025-03-01 Epub Date: 2023-12-18 DOI:10.1080/10255842.2023.2293654

Mincong Wang, Yuzhu Wang, Yue Meng, Chenglong Pan

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引用次数: 0

摘要

固定面和滑动面耦合机制的优化是否与功能分级多孔茎杆的分级水平有关尚不清楚。采用四面体微结构构建了功能分级多孔有限元骨干模型，孔隙率为 47%-95%。植入后，股骨头的应力分布逐渐增强，应力屏蔽随着股骨柄层次的增加而减弱。功能梯度多孔骨干可以优化固定面和滑动面的耦合机制，其性能优势随着结构层次的增加而更加突出。

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Functionally graded stem optimizes the fixed and sliding surface coupling mechanism.

Whether the optimization of fixed surface and sliding surface coupling mechanism is related to the hierarchical level of functionally graded porous stem is unknown. The functionally graded porous finite element stem models were constructed using tetrahedral microstructure with the porosities of 47-95%. The stress distribution for femoral bone gradually strengthened, the stress shielding was decreased along the increase of hierarchical levels of the stem after implantation. The coupling mechanism of fixed and sliding surfaces can be optimized by the functional gradient porous stem, the performance advantages become more prominent with the increase of hierarchical levels of the structure.

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来源期刊

Computer Methods in Biomechanics and Biomedical Engineering 工程技术-工程：生物医学

CiteScore

4.10

自引率

6.20%

发文量

179

审稿时长

4-8 weeks

期刊介绍： The primary aims of Computer Methods in Biomechanics and Biomedical Engineering are to provide a means of communicating the advances being made in the areas of biomechanics and biomedical engineering and to stimulate interest in the continually emerging computer based technologies which are being applied in these multidisciplinary subjects. Computer Methods in Biomechanics and Biomedical Engineering will also provide a focus for the importance of integrating the disciplines of engineering with medical technology and clinical expertise. Such integration will have a major impact on health care in the future.