Steel and Composite Structures

  • 제23권1호
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  • Pages.107-114
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  • 2017
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Design of stepwise foam claddings subjected to air-blast based on Voronoi model

  • Liang, Minzu (College of Science, National University of Defense Technology) ;
  • Lu, Fangyun (College of Science, National University of Defense Technology) ;
  • Zhang, Guodong (College of Science, National University of Defense Technology) ;
  • Li, Xiangyu (College of Science, National University of Defense Technology)
  • 투고 : 2016.09.12
  • 심사 : 2016.12.14
  • 발행 : 2017.01.20
⟨ 이전 논문 다음 논문 ⟩

초록

Design of stepwise foam claddings subjected to air-blast is performed based on random Voronoialgorithm. FE models are constructed using the random Voronoialgorithm, and numerical analysis is carried out to simulate deformation mode and energy absorption of the cladding by the ABAQUS/Explicit software. The FE model is validated by test result, and good agreement is achieved. The deformation patterns are presented to give an insight into the influences of distribution on deformation mechanisms. The energy absorbed by the stepwise foam cladding is examined, and the parameter effects, including layer number, gradient, and blast loading, are discussed. Results indicate that the energy absorption capacity increases with the number of layer, gradient degree, and blast pressure increasing.

키워드

과제정보

연구 과제 주관 기관 : China National Natural Science Funding

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피인용 문헌

  1. Compaction Wave Propagation in Layered Cellular Materials Under Air-Blast vol.11, pp.1, 2019, https://doi.org/10.1142/s1758825119500030
  2. Dynamic Compressive Behaviors of Two-Layer Graded Aluminum Foams under Blast Loading vol.12, pp.9, 2017, https://doi.org/10.3390/ma12091445
  3. Factors governing dynamic response of steel-foam ceramic protected RC slabs under blast loads vol.33, pp.3, 2017, https://doi.org/10.12989/scs.2019.33.3.333