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  • SAGE Publications  (2)
  • Ashok, Dara  (2)
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  • SAGE Publications  (2)
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  • 1
    Online Resource
    Online Resource
    Experimental and numerical investigation on 2.5-dimensional nature-inspired infill structures under out-plane quasi-static loading
    SAGE Publications ; 2023
    In:  Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering
    Details
    In: Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, SAGE Publications
    Abstract: The 2.5-dimensional (2.5D) infill structures are gaining more attention due to their better energy absorption capabilities and lightweight. The additive manufacturing eases the fabrication of these structures and made them accessible for industrial and transport applications. The present work is focused on enhancing energy absorption capability, and mean crush force (MCF) for a novel nature-inspired 2.5D infilled structure through nature-inspired 2.5D geometries. Six nature-inspired geometries are considered for a comparative analysis with the proposed novel snowflake-inspired 2.5D infilled structure to sustain under quasi-static out-plane loading. These structures are cylindrical shells filled with different infill configurations and maintained at constant volume. The structures are fabricated using three-dimensional printing through the digital light processing technique with photopolymer resin and tested under compressive out-plane quasi-static loading conditions. Numerical simulations were performed by ANSYS and compared with experimental results to corroborate the reliability. The effect of infill configurations and supported ribs on the crushing behaviour is discussed in detail. The results reveal a significant improvement in MCF, specific energy absorption, and confined crushing deformation for the proposed lightweight 2.5D infill structures.
    Type of Medium: Online Resource
    ISSN: 0954-4089 , 2041-3009
    URL: Article
    DOI: 10.1177/09544089231197853
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2023
    detail.hit.zdb_id: 2024897-0
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    Online Resource
  • 2
    Online Resource
    Online Resource
    A novel nature inspired 3D open lattice structure for specific energy absorption
    SAGE Publications ; 2022
    In:  Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering Vol. 236, No. 6 ( 2022-12), p. 2434-2440
    Details
    In: Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, SAGE Publications, Vol. 236, No. 6 ( 2022-12), p. 2434-2440
    Abstract: Energy absorption is a key performance criterion for several engineering structures. Lightweight lattice structures are better suited for this purpose. The convolute design patterns that exist in nature are proven effective for several engineering applications. In this paper, a George lily flower leaf is considered to build a novel 3D open lattice pattern for specific energy absorption (SEA) purposes. A multi-cellular specimen is designed and fabricated using Vat photopolymerization 3D printing process. Quasi-static compression tests have been conducted and the performance of proposed structure is compared with 2.5D closed thin-walled structures and found the proposed 3D open lattice structure has shown significant improvement in SEA over other thin-walled structures.
    Type of Medium: Online Resource
    ISSN: 0954-4089 , 2041-3009
    URL: Article
    DOI: 10.1177/09544089221092894
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2022
    detail.hit.zdb_id: 2024897-0
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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