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The paper presents the results of numerical and experimental linear elastic analyses carried out to investigate the stress gradient of notched V-shaped specimens. Specimens with different Vshaped notch geometry subjected to uniaxial tensile loading have been considered. It was shown that the stress fields around the notch-tip are similar to each other regardless the notch shape. The most familiar analytical functions describing the stress field at the notch-tip have been presented. Some of the available approximation formulas are verified with the obtained numerical data. Finite Element Method (FEM) is used for the numerical stress analysis and photoelasticity is applied for the experimental investigation of the stress field. The experimental results of the maximum dimensionless stress derived from the photoelasticity experiments are compared to the respective theoretical stress results of the finite element analysis. In this study, understand the aspect of FEA as well as Experimental Stress Analysis with the help of one mechanical component in various literatures. The investigate the state of stress around the v-notch tip in the several photoelastic strips with different sizes of v-notches were prepared. The resulting photoelastic fringe patterns were obtained by the time-averaged photoelastic technique. In addition, commercially available finite element method (FEM) software package ANSYS was employed to verify the experimental results. Very well-matched results between the photoelastic and FEM were obtained. The von Mises stress distribution ahead of the notch tip was also calculated by ANSYS to evaluate the appropriateness of the dimensions of the v-notch.

Stress Analysis of V Notches on the Components using Photo elasticity and FEM