Structural Engineering and Mechanics

  • 제48권3호
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  • Pages.309-331
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  • 2013
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

A superelement formulation for efficient structural analysis in progressive collapse

  • Long, Xu (School of Civil and Environmental Engineering, Nanyang Technological University) ;
  • Yuan, Weifeng (School of Civil and Environmental Engineering, Nanyang Technological University) ;
  • Tan, Kang Hai (School of Civil and Environmental Engineering, Nanyang Technological University) ;
  • Lee, Chi King (School of Civil and Environmental Engineering, Nanyang Technological University)
  • 투고 : 2012.05.28
  • 심사 : 2013.10.20
  • 발행 : 2013.11.10
⟨ 이전 논문 다음 논문 ⟩

초록

An integrated superelement concept is proposed to improve the computational efficiency when analyzing structural responses during progressive collapses of large-scale structures, such as multi-storey reinforced concrete buildings. While the proposed methodology is straightforward and can be implemented into an existing finite element program with little effort, it is able to significantly reduce the computational cost without the loss of any critical information of the structural responses. Compared with the models without superelement, significant saving in computational cost and satisfactory prediction accuracy can be obtained with the proposed approach.

키워드

참고문헌

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피인용 문헌

  1. A new method for progressive collapse analysis of RC frames vol.60, pp.1, 2016, https://doi.org/10.12989/sem.2016.60.1.031
  2. Adaptive superelement modeling for progressive collapse analysis of reinforced concrete frames vol.151, 2017, https://doi.org/10.1016/j.engstruct.2017.08.024
  3. Automated static condensation method for local analysis of large finite element models vol.61, pp.6, 2013, https://doi.org/10.12989/sem.2017.61.6.807
  4. A general solution to structural performance of pre-twisted Euler beam subject to static load vol.64, pp.2, 2013, https://doi.org/10.12989/sem.2017.64.2.205