Computational analysis of interlocking joints with different geometries under tensile loads

IF 6.4 1区工程技术 Q1 ENGINEERING, CIVIL

Engineering Structures Pub Date : 2026-04-15 Epub Date: 2026-02-12 DOI:10.1016/j.engstruct.2026.122339

Yirui Sun, Yujie Chen, Zonghan Xie

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引用次数: 0

Abstract

Advances in modelling and simulation are driving innovation in mechanical joint design. However, the lack of standardized evaluation criteria hinders meaningful comparison across geometries, rendering the rational design and improvement difficult. To address this, we studied three representative joint shapes—trapezoid, circle, and ellipse. Finite element analysis (FEA) was employed to evaluate their tensile performance within the elastic regime. The elliptical joint showed the highest stiffness, while the circular joint exhibited the greatest load capability and resilience. Joint performance was also influenced by friction coefficient, yield strength, and blade number. Applying edge constraints notably enhanced performance, especially for single-blade joints, with up to 7.6 × increase in load capability and 5.4 × in resilience for circular joints, and 11.2 × in stiffness for trapezoidal joints. An Ashby-type plot was developed to support the comparative selection of joint designs. These results provide a foundation for establishing standardized evaluation criteria for tensile joint performance.

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不同几何形状联锁节点在拉伸载荷作用下的计算分析

建模和仿真的进步正在推动机械关节设计的创新。然而，缺乏标准化的评价标准阻碍了几何之间有意义的比较，使得合理的设计和改进变得困难。为了解决这个问题，我们研究了三种典型的关节形状——梯形、圆形和椭圆形。采用有限元分析（FEA）对其弹性拉伸性能进行评价。椭圆节点的刚度最高，圆形节点的承载能力和回弹能力最高。摩擦系数、屈服强度和叶片数对接头性能也有影响。应用边缘约束显著增强了性能，特别是对于单叶片接头，高达7.6 × 的载荷能力增加，5.4 × 的弹性圆形接头，和11.2 × 的刚度梯形接头。开发了一个ashby类型的地块，以支持联合设计的比较选择。研究结果为建立规范的抗拉接头性能评价标准提供了依据。

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

Engineering Structures 工程技术-工程：土木

CiteScore

10.20

自引率

14.50%

发文量

1385

审稿时长

67 days

期刊介绍： Engineering Structures provides a forum for a broad blend of scientific and technical papers to reflect the evolving needs of the structural engineering and structural mechanics communities. Particularly welcome are contributions dealing with applications of structural engineering and mechanics principles in all areas of technology. The journal aspires to a broad and integrated coverage of the effects of dynamic loadings and of the modelling techniques whereby the structural response to these loadings may be computed. The scope of Engineering Structures encompasses, but is not restricted to, the following areas: infrastructure engineering; earthquake engineering; structure-fluid-soil interaction; wind engineering; fire engineering; blast engineering; structural reliability/stability; life assessment/integrity; structural health monitoring; multi-hazard engineering; structural dynamics; optimization; expert systems; experimental modelling; performance-based design; multiscale analysis; value engineering. Topics of interest include: tall buildings; innovative structures; environmentally responsive structures; bridges; stadiums; commercial and public buildings; transmission towers; television and telecommunication masts; foldable structures; cooling towers; plates and shells; suspension structures; protective structures; smart structures; nuclear reactors; dams; pressure vessels; pipelines; tunnels. Engineering Structures also publishes review articles, short communications and discussions, book reviews, and a diary on international events related to any aspect of structural engineering.