Call For Paper Volume:4 Issue:10 Oct'2017 |

Interference Effect of V, U & Square Notches of Variation of Parameters on Elastic Stress & Strain Concentration of Periodic Notches on The bars

Publication Date : 10/07/2015

Author(s) :

Ahire Hemantkumar Jagnnath , Prof. S. S. Barve , Prof. H. S. Deore .

Conference Name :
4th International Conference on Recent Trends in Engineering & Technology(ICRTET-2015) July 2-4,2015 Organized by SNJB's KBJ College of Engineering,Chandwad,Nashik,Maharashtra,India

Abstract :

Geometrical features such as notches and corners give rise to stress concentrations. In industrial components these features are often designed with a constant radius, width, depth & Centre distance; however it is already known that a more complex shape, having a variable r, w, d, cd can have a much lower stress concentration factor. In this paper we describe new approaches for obtaining useful variable-r, w, d, Cd of notches. In the presence of sharp V-notches, U- notches, Square- Notches the stress distributions are singular and the intensity of the stress fields is given in terms of the notch stress intensity factors which are largely used in the literature for fatigue strength assessments of bars. The FEM is employed to study the effect of notch depth on a new strainconcentration factor (SNCF) for circular bars with a multiple-notch under axial, pure bending, torsion condition. In the presence of notches with different radius, width and depth & CD, the equations obtained are compared with finite element results, showing a very good agreement. Keywords- stress concentration, FEA, notch parameters

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