Prediction of mechanical response of hexagonal honeycomb SPS blast wall under explosive loading: In-depth review and empirical formula

Kim, Do Kyun; Looi, Chee Kean; Topa, Ameen; Cho, Nak Kyun

doi:10.1016/j.oceaneng.2023.116578

Ocean Engineering

2024

DOI: 10.1016/j.oceaneng.2023.116578

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Prediction of mechanical response of hexagonal honeycomb SPS blast wall under explosive loading: In-depth review and empirical formula

Do Kyun Kim,

Chee Kean Looi,

Ameen Topa

et al.

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2024

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Cited by 3 publications

References 65 publications

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Development of design formulas for predicting deflection in corrugated blast walls under explosion loads

Kim,

Sohn

2024

Structures

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Development of design formulas for predicting deflection in corrugated blast walls under explosion loads

Kim,

Sohn

2024

Structures

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An advanced design diagram of stiffened plate subjected to combined in-plane and lateral loads considering initial deflection effects

Wang,

Kong,

et al. 2024

Thin-Walled Structures

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Improving the crashworthiness of bi-tubular architectures with ABS cores under axial loading: Experimental and numerical investigation

Doan,

Le,

Topa

et al. 2024

Proceedings of the Institution of Mechanical Engineers, Part L:

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In this study, quasi-static axial compression tests were conducted on mild steel bi-tubular architectures with rectangular nested tube (RNT) and square nested tube (SNT) geometries to evaluate their crushing and crashworthiness performance. A multi-criteria decision-making approach was employed to identify the optimal energy-absorbing architecture. The SNT structure, with the smallest gap size between the inner and outer tubes, exhibited the most desirable energy absorption characteristics among the considered cases. Acrylonitrile butadiene styrene (ABS) cores, with either rhombic or square cell configurations, were used to enhance the energy absorption performance of the SNT structure. A finite element model was created to evaluate the responses of the SNT structure filled with ABS cores. The validity of finite element simulations of the ABS cores and optimal architecture under axial compression were confirmed by comparing them with experimental results. The integration of the cores into the nested architecture enhanced crashworthiness performance and contributed to the control of the structure deformation. The SNT structure filled with rhombic ABS core exhibited superior crashworthiness performance compared to the counterpart filled with square core. The energy absorption of nested SNT structures filled with rhombic ABS core can be 116.93% greater than the corresponding non-filled structure. The crashworthiness indices of ABS-filled structures were highly sensitive to the number of cells and wall thickness of the core. A nested architecture with an ABS core could serve as a novel architecture for energy-absorbing devices.

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Prediction of mechanical response of hexagonal honeycomb SPS blast wall under explosive loading: In-depth review and empirical formula

Cited by 3 publications

References 65 publications

Development of design formulas for predicting deflection in corrugated blast walls under explosion loads

Development of design formulas for predicting deflection in corrugated blast walls under explosion loads

An advanced design diagram of stiffened plate subjected to combined in-plane and lateral loads considering initial deflection effects

Improving the crashworthiness of bi-tubular architectures with ABS cores under axial loading: Experimental and numerical investigation

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