In this article, the nonlinear bending behavior of functionally graded (FG) curved (cylindrical, hyperbolic, and elliptical) panel is investigated under combined thermomechanical loading. In this study, two temperature fields (uniform and linear) across the thickness of shell panel are considered. The panel model is developed mathematically using higher-order shear deformation midplane kinematics with Green–Lagrange-type nonlinear strains. The individual constituents of functionally graded material (FGM) are assumed to be temperature-dependent (TD) and graded continuously using the power-law distribution. The effective material properties of FG shell panel are evaluated based on Voigt's micromechanical model. The governing equation of the panel structure is obtained using the variational principle and discretized through suitable finite-element (FE) steps. A direct iterative method is employed to compute the desired responses of the curved panel structure. The efficacy of the present nonlinear model has been shown by comparing the responses with those available published literature and commercial FE tool ansys. Finally, the model has been extended to examine the effect of various parameters (volume fractions, temperature, thickness ratios, curvature ratios, aspect ratios, and support conditions) on the nonlinear bending behavior of curved FG panel by solving wide variety of numerical illustrations.
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December 2016
Research-Article
Nonlinear Thermomechanical Behavior of Functionally Graded Material Cylindrical/Hyperbolic/Elliptical Shell Panel With Temperature-Dependent and Temperature-Independent Properties
V. R. Kar,
V. R. Kar
Department of Mechanical Engineering,
Raghu Engineering College,
Visakhapatnam 531162, Andhra Pradesh, India
e-mail: visheshkar@gmail.com
Raghu Engineering College,
Visakhapatnam 531162, Andhra Pradesh, India
e-mail: visheshkar@gmail.com
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S. K. Panda
S. K. Panda
Department of Mechanical Engineering,
National Institute of Technology, Rourkela,
Rourkela 769008, Odisha, India
e-mail: pandask@nitrkl.ac.in
National Institute of Technology, Rourkela,
Rourkela 769008, Odisha, India
e-mail: pandask@nitrkl.ac.in
Search for other works by this author on:
V. R. Kar
Department of Mechanical Engineering,
Raghu Engineering College,
Visakhapatnam 531162, Andhra Pradesh, India
e-mail: visheshkar@gmail.com
Raghu Engineering College,
Visakhapatnam 531162, Andhra Pradesh, India
e-mail: visheshkar@gmail.com
S. K. Panda
Department of Mechanical Engineering,
National Institute of Technology, Rourkela,
Rourkela 769008, Odisha, India
e-mail: pandask@nitrkl.ac.in
National Institute of Technology, Rourkela,
Rourkela 769008, Odisha, India
e-mail: pandask@nitrkl.ac.in
1Corresponding author.
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received August 27, 2015; final manuscript received May 18, 2016; published online July 22, 2016. Assoc. Editor: Albert E. Segall.
J. Pressure Vessel Technol. Dec 2016, 138(6): 061202 (13 pages)
Published Online: July 22, 2016
Article history
Received:
August 27, 2015
Revised:
May 18, 2016
Citation
Kar, V. R., and Panda, S. K. (July 22, 2016). "Nonlinear Thermomechanical Behavior of Functionally Graded Material Cylindrical/Hyperbolic/Elliptical Shell Panel With Temperature-Dependent and Temperature-Independent Properties." ASME. J. Pressure Vessel Technol. December 2016; 138(6): 061202. https://doi.org/10.1115/1.4033701
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