Structural Engineering and Mechanics

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A refined functional and mixed formulation to static analyses of fgm beams

  • Madenci, Emrah (Department of Civil Engineering, Faculty of Engineering and Architecture, Necmettin Erbakan University)
  • Received : 2018.09.11
  • Accepted : 2019.12.29
  • Published : 2019.02.25
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Abstract

In this study, an alternative solution procedure presented by using variational methods for analysis of shear deformable functionally graded material (FGM) beams with mixed formulation. By using the advantages of $G{\hat{a}}teaux$ differential approaches, a refined complex general functional and boundary conditions which comprises seven independent variables such as displacement, rotation, bending moment and higher-order bending moment, shear force and higher-order shear force, is derived for general thick-thin FGM beams via shear deformation beam theories. The mixed-finite element method (FEM) is employed to obtain a beam element which have a 2-nodes and total fourteen degrees-of-freedoms. A computer program is written to execute the analyses for the present study. The numerical results of analyses obtained for different boundary conditions are presented and compared with results available in the literature.

Keywords

References

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