Flexure of power law governed functionally graded plates using ABAQUS UMAT

This paper presents a study on bending performance of transversely isotropic functionally graded (FG) plates under transverse mechanical load. Computational and analytical tools are used to study the behavior of FG plates under bending. Analytical modeling is based on Reddy's third order theory...

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Bibliographic Details
Published in:Aerospace science and technology 2015-10, Vol.46, p.51-59
Main Authors: Shiyekar, S.M., Lavate, Prashant
Format: Article
Language:English
Subjects:
ABAQUS
Analytical solution
Computation
Computer programs
Computer simulation
Finite element method
Functionally gradient materials
Mathematical analysis
Mathematical models
Plate
Plates
TOT
UMAT
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Summary:This paper presents a study on bending performance of transversely isotropic functionally graded (FG) plates under transverse mechanical load. Computational and analytical tools are used to study the behavior of FG plates under bending. Analytical modeling is based on Reddy's third order theory (TOT) [1] and a finite element computational tool ABAQUS [2] is used to model FG material through user defined subroutine UMAT. Elastic properties of FG material are based on power law and are varying across the thickness of the plate while Poisson's ratio is kept constant. Results from computational tools for an FG plate with standard boundary and loading conditions are validated with literature and TOT. After validation, FG plate with various boundary conditions and shape are analyzed.
ISSN:1270-9638
1626-3219
DOI:10.1016/j.ast.2015.06.021