Evaluation of strees intensity factor for an infinite hollow cylinder containing a crack and two rigid inclusions by finite element analysis
by
Öterkuş, Ertan.
Title
:
Evaluation of strees intensity factor for an infinite hollow cylinder containing a crack and two rigid inclusions by finite element analysis
Author
:
Öterkuş, Ertan.
Personal Author
:
Öterkuş, Ertan.
Publication Information
:
[s.l.]: [s.n.], 2002.
Physical Description
:
xiv, 97 leaves.: ill. + 1 computer laser optical disc.
Abstract
:
A numerical implementation based on the finite element method for the infinite cracked hollow cylinder under the action of axisymmetric tensile loads at infinity is considered in this study. The infinite cylinder contains a ring-shaped crack of width (b . a) at the symmetry plane z . 0, and two rigid inclusions of width (d . c) located symmetrically on both sides of the crack. Material of the cylinder is assumed to be linearly elastic and isotropic.The proposed model uses efficiently the capabilities of a commercially available finite element analysis program, ANSYS, to determine the stress intensity factors at the crack tips. In the finite element analysis, six-noded triangular elements were used to model the square-root stress singularity at the crack tips. In order to get the stress intensity factors, the displacement extrapolation method was used.The numerical results for various crack and inclusion configurations are obtained and compared with the analytical results in order to verify Artem.s study. When the inclusions are far away from the crack, the interaction among them vanishes. In this case, the numerical and analytical results are in good agreement. On the other hand, when the inclusions get closer to the crack, a discrepancy has been occurred within the acceptable limits.
Subject Term
:
Strains and stresses -- Analysis.
Finite element method.
Fracture mechanics.
Added Author
:
Artem Altundağ, H.Seçil
Added Corporate Author
:
İzmir Institute of Technology. Mechanical Engineering.
Added Uniform Title
:
Thesis (Master)--İzmir Institute of Technology: Mechanical Engineering.
İzmir Institute of Technology: Mechanical Engineering--Thesis (Master).
Electronic Access
:
| Library | Material Type | Item Barcode | Shelf Number | Status |
|---|
| IYTE Library | Thesis | T000160 | TA407 .O84 2002 | Tez Koleksiyonu |
| IYTE Library | Supplementary CD-ROM | ROM0658 | TA407 .O84 2002 EK1 | Tez Koleksiyonu |