Steel and Composite Structures

  • 제27권2호
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  • Pages.177-184
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  • 2018
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Topology optimization for thin plate on elastic foundations by using multi-material

  • Banh, Thien Thanh (Department of Architectural Engineering, Sejong University) ;
  • Shin, Soomi (Research Institute of Industrial Technology, Pusan National University) ;
  • Lee, Dongkyu (Department of Architectural Engineering, Sejong University)
  • 투고 : 2017.09.23
  • 심사 : 2018.02.22
  • 발행 : 2018.04.25
⟨ 이전 논문 다음 논문 ⟩

초록

This study contributes to evaluate multiphase topology optimization design of plate-like structures on elastic foundations by using classic plate theory. Multi-material optimal topology and shape are produced as an alternative to provide reasonable material assignments based on stress distributions. Multi-material topology optimization problem is solved through an alternative active-phase algorithm with Gauss-Seidel version as an optimization model of optimality criteria. Stiffness and adjoint sensitivity formulations linked to thin plate potential strain energy are derived in terms of multiphase design variables and Winkler-Pasternak parameters considering elastic foundation to apply to the current topology optimization. Numerical examples verify efficiency and diversity of the present topology optimization method of elastic thin plates depending on multiple materials and Winkler-Pasternak parameters with the same amount of volume fraction and total structural volume.

키워드

과제정보

연구 과제 주관 기관 : NRF(National Research Foundation of Korea)

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피인용 문헌

  1. Topology optimization of thermal structure for isotropic and anisotropic materials using the element-free Galerkin method vol.52, pp.7, 2018, https://doi.org/10.1080/0305215x.2019.1636979
  2. Optimization of a composite beam for high-speed railroads vol.37, pp.4, 2018, https://doi.org/10.12989/scs.2020.37.4.493
  3. Thermo-mechanical behavior of porous FG plate resting on the Winkler-Pasternak foundation vol.9, pp.6, 2018, https://doi.org/10.12989/csm.2020.9.6.499
  4. Optimization of structural and mechanical engineering problems using the enriched ViS-BLAST method vol.77, pp.5, 2018, https://doi.org/10.12989/sem.2021.77.5.613