Steel and Composite Structures

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Nonlinear deflection responses of layered composite structure using uncertain fuzzified elastic properties

  • Patle, B.K. (Department of Mechanical Engineering, CVR College of Engineering) ;
  • Hirwani, Chetan K. (Department of Mechanical Engineering, National Institute of Technology Patna) ;
  • Panda, Subrata Kumar (Department of Mechanical Engineering, National Institute of Technology Rourkela) ;
  • Katariya, Pankaj V. (Department of Mechanical Engineering, National Institute of Technology Rourkela) ;
  • Dewangan, Hukum Chand (Department of Mechanical Engineering, National Institute of Technology Rourkela) ;
  • Sharma, Nitin (School of Mechanical Engineering, KIIT Bhubaneswar)
  • Received : 2019.09.26
  • Accepted : 2020.05.23
  • Published : 2020.06.25
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Abstract

In this article, the influence of fuzzified uncertain composite elastic properties on non-linear deformation behaviour of the composite structure is investigated under external mechanical loadings (uniform and sinusoidal distributed loading) including the different end boundaries. In this regard, the composite model has been derived considering the fuzzified elastic properties (through a triangular fuzzy function, α cut) and the large geometrical distortion (Green-Lagrange strain) in the framework of the higher-order mid-plane kinematics. The results are obtained using the fuzzified nonlinear finite element model via in-house developed computer code (MATLAB). Initially, the model accuracy has been established and explored later to show the dominating elastic parameter affect the deflection due to the inclusion of fuzzified properties by solving a set of new numerical examples.

Keywords

References

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