What question did this study set out to answer?

To establish a multiscale interface shape design method accounting for surface roughness and geometric uncertainties to achieve uniform stress distribution in mechanical assemblies.

August 14, 2026Materials & DesignOpen Access

Multiscale design and uncertainty analysis of assembly interface oriented to uniform stress assembly

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Authors

YZYicong ZhouHunan University JDJinyan DuanNational University of Singapore JHJun HongXi'an Jiaotong University

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Implication

Computational modeling study demonstrates a heuristic multiscale interface design method for precision mechanical assemblies, revealing similarity laws to achieve uniform stress distribution.

Key Points

To establish a multiscale interface shape design method accounting for surface roughness and geometric uncertainties to achieve uniform stress distribution in mechanical assemblies.
Derived a general similarity law relating assembly interface geometry to resulting contact stress distributions.
Developed and evaluated a heuristic multiscale shape design method using elastic-to-elastic and pipe flange bolted assembly models.
Investigated the effects of varying surface roughness conditions and quantitatively analyzed multiscale shape uncertainty on stress uniformity.
The heuristic design method successfully generated multiscale interface shapes that optimized contact stress uniformity across different roughness levels.
Quantitative uncertainty analysis revealed the precise impact of multiscale interface variations on maintaining consistent, uniform stress distributions.

Cite This Study

Zhou et al. (2026) studied this question.

synapsesocial.com/papers/6a7ec6c6b70b84ec8b912e94 https://doi.org/10.1016/j.matdes.2026.116770

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Implication

Computational modeling study demonstrates a heuristic multiscale interface design method for precision mechanical assemblies, revealing similarity laws to achieve uniform stress distribution.

Multiscale design and uncertainty analysis of assembly interface oriented to uniform stress assembly

Discussion

Member takes

Implication

Key Points

Cite This Study

Multiscale design and uncertainty analysis of assembly interface oriented to uniform stress assembly

Discussion

Member takes

Implication

Key Points

Cite This Study

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