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Stress Intensity factors of a semi-elliptical crack in a Compressor blade of dovetail joint through numerical approach

    Chandramouli Harige Ramaswamy Chakradhar Goud

International Research Journal on Advanced Science Hub, 2021, Volume 3, Issue 4, Pages 61-66
10.47392/irjash.2021.115

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Abstract

Induced fatigue has led to a large number of deviations of service failures in a wide range of applications, where the deterioration of properties occurs due to the slipping between surfaces at a small displacement. In this article, a numerical simulation of a semi-elliptical crack in the dovetail joint of the compressor was performed to understand the destruction of the blade due to the stress contour in the contact area. A three-dimensional crack is modelled using the ANSYS Finite Element Analysis program, and the blade profile is modelled by CATIA V5R20 software. The study considers a model of an open semi-elliptical crack, and the parameters of the movement of the crack tip are estimated using three-dimensional singular elements of the crack tip in ANSYS. Initially, a three-dimensional finite element model of a compressor blade with a dovetail contact area was simulated in CATIA V5 and analysed in the ANSYS working environment to determine the maximum principal stresses in the crack-free region. After the crack front has been precisely identified and confirmed, fracture modelling is used to determine the impact of crack size with one side, as well as rotation speed, on fracture parameters (stress intensity factors).
Keywords:
    Dovetail joint Elliptical crack Stress Intensity factor finite element analysis
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(2021). Stress Intensity factors of a semi-elliptical crack in a Compressor blade of dovetail joint through numerical approach. International Research Journal on Advanced Science Hub, 3(4), 61-66. doi: 10.47392/irjash.2021.115
Chandramouli Harige Ramaswamy; Chakradhar Goud. "Stress Intensity factors of a semi-elliptical crack in a Compressor blade of dovetail joint through numerical approach". International Research Journal on Advanced Science Hub, 3, 4, 2021, 61-66. doi: 10.47392/irjash.2021.115
(2021). 'Stress Intensity factors of a semi-elliptical crack in a Compressor blade of dovetail joint through numerical approach', International Research Journal on Advanced Science Hub, 3(4), pp. 61-66. doi: 10.47392/irjash.2021.115
Stress Intensity factors of a semi-elliptical crack in a Compressor blade of dovetail joint through numerical approach. International Research Journal on Advanced Science Hub, 2021; 3(4): 61-66. doi: 10.47392/irjash.2021.115
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