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Smart Structures and Systems
  Volume 22, Number 3, September 2018 , pages 249-257
DOI: https://doi.org/10.12989/sss.2018.22.3.249
 


Topology optimization of multiphase elastic plates with Reissner-Mindlin plate theory
Thanh T. Banh, Dongkyu Lee, Jaehong Lee, Joowon Kang and Soomi Shin

 
Abstract
    This study contributes to evaluate multiphase topology optimization design of plate-like elastic structures with constant thickness and Reissner-Mindlin plate theory. Stiffness and adjoint sensitivity formulations linked to Reissner-Mindlin plate potential energy of bending and shear are derived in terms of multiphase design variables. Multiphase optimization problem is solved through alternative active-phase algorithm with Gauss-Seidel version as an optimization model of optimality criteria. Numerical examples verify efficiency and diversity of the present topology optimization method of Reissner-Mindlin elastic plates depending on multiphase and Poisson\' s ratio.
 
Key Words
    topology optimization; multiplase; Reissner-Mindlin plate; Q4 element approximation, adjoint sensitivity; Poisson
 
Address
Thanh T. Banh, Dongkyu Lee and Jaehong Lee:Department of Architectural Engineering, Sejong University, Seoul 05006, Korea
Joowon Kang: Department of Architecture, Yeungnam University, Gyeongsan 38541, Korea
Soomi Shin: Research Institute of Industrial Technology, Pusan National University, Busan 46241, Korea
 

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