Variability-enhanced knowledge-based engineering (VEN) for reconfigurable molds

Qaiser, Zeeshan; Yang, Kunlin; Chen, Rui; Johnson, Shane

doi:10.1007/s10845-024-02361-y

J Intell Manuf

2024

DOI: 10.1007/s10845-024-02361-y

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Variability-enhanced knowledge-based engineering (VEN) for reconfigurable molds

Zeeshan Qaiser,

Kunlin Yang,

Rui Chen

et al.

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Design, Simulation, and Fabrication of Composite Lattice Orthoses With Enhanced Structural Performance

Mo,

Johnson

2024

Journal of Mechanical Design

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Orthoses play a critical role in rehabilitation by providing fracture stabilization, external load protection, and deformity correction. Traditional methods of orthotic manufacturing often result in reduced breathability leading to potential skin problems, and increased bulkiness and weight due to material and processing limitations. Method: This study aims to enhance breathability and structural performance of orthoses through the utilization of a fiber-reinforced composite lattice design fabricated using a Coreless Filament Winding (CFW) process. An arm brace was designed and manufactured, which incorporates four modules made of fiberglass/polystyrene composite lattices assembled together using adjustable thermoplastic connectors. To simulate the structural performance, a Finite Element Model (FEM) was constructed with careful consideration of the interactions between the connectors and the lattice modules, and this was subsequently validated through experiment. Results: In comparison to a benchmark brace made of Polylactic Acid (PLA) lattice, the composite brace exhibits a significant reduction in thickness (60%) and weight (44%) while maintaining equivalent structural performance. The validation test indicates the FEM's reliability in predicting structural stiffness and strength, with the predicted peak loading being slightly conservative (5%) compared to experimental results. Conclusion: Composite lattice structures represent a significant advancement in the design of breathable, lightweight, and high-strength orthoses. Moreover, the developed FEM serves as a valuable tool for accurately predicting structural performance and optimizing orthotic design under varying loading conditions.

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Design, Simulation, and Fabrication of Composite Lattice Orthoses With Enhanced Structural Performance

Mo,

Johnson

2024

Journal of Mechanical Design

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Variability-enhanced knowledge-based engineering (VEN) for reconfigurable molds

Cited by 1 publication

References 32 publications

Design, Simulation, and Fabrication of Composite Lattice Orthoses With Enhanced Structural Performance

Design, Simulation, and Fabrication of Composite Lattice Orthoses With Enhanced Structural Performance

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