alexa ANALYSIS AND MITIGATION OF STRESS CONCENTRATION FACTOR OF A RECTANGULAR ISOTROPIC ANDORTHOTROPIC PLATE WITH CENTRAL CIRCULAR HOLE SUBJECTED TO IN-PLANE STATIC LOADING BY DESIGN OPTIMIZATION
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
Open Access

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Research Article

ANALYSIS AND MITIGATION OF STRESS CONCENTRATION FACTOR OF A RECTANGULAR ISOTROPIC ANDORTHOTROPIC PLATE WITH CENTRAL CIRCULAR HOLE SUBJECTED TO IN-PLANE STATIC LOADING BY DESIGN OPTIMIZATION

 
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Abstract

A number of analytical and numerical techniques are available for the two dimensional study of stress concentration around the hole(s) and notches in isotropic and orthotropic plates subjected to in-plane or transverse loading conditions. The influence of the structural dimension D/A (where D is hole diameter and A is plate width) ratio upon stress concentration factor for different cases is studied in the present work. Peculiarity in Stress concentration factor for different stresses like x, y, xy, von and deflection for different materials is observed. Stress concentration factor for all stresses shows marked mitigation upon introduction of auxiliary holes. Finite element method has been adopted for analysis and the results have been presented in graphical forms with discussion. The finite element formulation and its analysis are carried out using ANSYS package. This research work can provide structure engineers a simple and efficient way to estimate the effect of SCF and its mitigation in plate structures made of isotropic and orthotropic materials

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