Evaluation of the bending response of compact and thin-walled FG beams with CUF

The study deals with the stress evaluations of the functionally graded beams (FGBs) using refined beam models. The refined beam models are obtained within the framework of the Carrera unified formulation (CUF), where expansions are used across the cross-section to enrich the kinematics of the finite...

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Bibliographic Details
Published in:Mechanics of advanced materials and structures 2021-09, Vol.28 (17), p.1755-1764
Main Authors: Demirbas, Munise Didem, Caliskan, Umut, Xu, Xiangyang, Filippi, Matteo
Format: Article
Language:English
Subjects:
Beams (structural)
Carrera Unified Formulation (CUF)
Cost analysis
Finite element method
finite element methods
functionally graded beams
Functionally gradient materials
Kinematics
numerical analysis
stress analysis
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Summary:The study deals with the stress evaluations of the functionally graded beams (FGBs) using refined beam models. The refined beam models are obtained within the framework of the Carrera unified formulation (CUF), where expansions are used across the cross-section to enrich the kinematics of the finite elements and obtain 3 D-like accuracy of the solution. Analyses of FGBs are performed by using different structural theories based on Taylor-like and Lagrange expansions. The results are compared with the literature and 3 D finite element solutions. It is observed that calculation costs are significantly decreased in finite element analyses performed with CUF.
ISSN:1537-6494
1537-6532
DOI:10.1080/15376494.2019.1704951