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ARTICLE
An investigation of stresses and deformation states of clamped rotating functionally graded disk
| 1 | Department of Mechanical Engineering, Shri Shankaracharya Technical Campus (SSGI), Bhilai |
| 2 | Department of Mechanical Engineering, National Institute of Technology (NIT), Raipur |
Submission date: 2016-06-01
Acceptance date: 2016-07-05
Online publication date: 2017-01-15
Publication date: 2017-01-21
Journal of Theoretical and Applied Mechanics 2017;55(1):189–198
KEYWORDS
functionally graded material (FGM)linear elastic analysisannular rotating diskvariable thickness rotating diskfinite element method (FEM)
ABSTRACT
The present study deals with the linear elastic analysis of variable thickness rotating disks
made of functionally graded materials (FGMs) by the finite element method. The disks have
radially varying material properties according to an exponential law, which is achieved by
the element based grading of the material properties on the meshed domain. The results are
reported for three types of thickness profiles, namely, uniform, linearly varying and concave
thickness, having their mass constant. The disks are subjected to the clamped boundary
condition at the inner surface and the free boundary condition at the outer surface. The
obtained results show that in a variable thickness rotating disk, deformation and stresses
are less as compared to the uniform thickness disk.
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