Progressive bearing failure analysis and strength prediction method for the initial assembly and tensile process of composite bolted joints

Qingyuan, Lin; Zhao, Yong; Yan, Chen; Liu, Yuming; Pan, Wei

doi:10.1016/j.compositesa.2024.108476

Composites Part A: Applied Science and Manufacturing

2024

DOI: 10.1016/j.compositesa.2024.108476

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Progressive bearing failure analysis and strength prediction method for the initial assembly and tensile process of composite bolted joints

Lin Qingyuan,

Yong Zhao,

Chen Yan

et al.

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2024

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Cited by 2 publications

References 33 publications

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Optimizing pipeline assembly: a novel model for predicting assembly pose considering clamp constraints

Cheng,

Gu,

et al. 2024

RIA

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Purpose This paper aims to develop an optimization model to enhance pipeline assembly performance. It focuses on predicting the pipeline’s assembly pose while ensuring compliance with clamp constraints. Design/methodology/approach The assembly pose of the pipeline is quantitatively assessed by a proposed indicator based on joint defects. The assembly interference between the pipeline and assembly boundary is characterized quantitatively. Subsequently, an analytical mapping relationship is established between the assembly pose and assembly interference. A digital fitting model, along with a novel indicator, is established to discern the fit between the pipeline and clamp. Using the proposed indicators as the optimization objective and penalty term, an optimization model is established to predict the assembly pose based on the reinforced particle swarm optimization, incorporating a proposed adaptive inertia weight. Findings The optimization model demonstrates robust search capability and rapid convergence, effectively minimizing joint defects while adhering to clamp constraints. This leads to enhanced pipeline assembly efficiency and the achievement of a one-time assembly process. Originality/value The offset of the assembly boundary and imperfections in pipeline manufacturing may lead to joint defects during pipeline assembly, as well as failure in the fit between the pipeline and clamp. The assembly pose predicted by the proposed optimization model can effectively reduce the joint defects and satisfy clamp constraints. The efficiency of pipeline modification and assembly has been significantly enhanced.

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Optimizing pipeline assembly: a novel model for predicting assembly pose considering clamp constraints

Cheng,

Gu,

et al. 2024

RIA

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Pull-Out Progressive Damage and Failure Analysis of Laminated Composite Bolted Joints

Zeng,

Fan,

Liao

et al. 2024

Materials

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Laminated composite bolted joints are increasingly used in the aerospace field, and their damage and failure behavior has been studied in depth. In view of the complexity and stability requirements of laminated composite bolted structures, accurate prediction of damage evolution and failure behavior is significant to ensure the safety and reliability of the structures. In this paper, a novel asymptotic damage model is developed to predict the damage process and failure behavior of laminated composite bolted joints. In this model, the modified Puck criterion and the maximum shear stress criterion are used for fiber yarns. The parabolic yield criterion is adopted for the matrix, and the fiber fracture, inter-fiber fracture and matrix fracture are considered at the microscopic level. The pull-out strength and progressive failure behavior of countersunk and convex bolted joints structures are predicted by using the proposed model, and the corresponding experimental studies are carried out. The results show that the prediction results are in good agreement with the experimental data, which verifies the reliability of the model. Additionally, the effects of different structural parameters (thickness and aperture) on the progressive damage and failure behavior during pull-out is analyzed by the proposed model, and correction factors of pull-out strength are obtained, which provides a powerful tool for the design, analysis and progression of laminated composite bolted joint structures.

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Progressive bearing failure analysis and strength prediction method for the initial assembly and tensile process of composite bolted joints

Cited by 2 publications

References 33 publications

Optimizing pipeline assembly: a novel model for predicting assembly pose considering clamp constraints

Optimizing pipeline assembly: a novel model for predicting assembly pose considering clamp constraints

Pull-Out Progressive Damage and Failure Analysis of Laminated Composite Bolted Joints

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