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Research Article Open Access
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 Ã¯ÂÂ³x, Ã¯ÂÂ³y, Ã¯ÂÂ³xy, Ã¯ÂÂ³von 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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Author(s): Shubhrata Nagpal, Dr. S. Sanyal, Dr. N.K.Jain
Finite Element Method, Stress Concentration Factor, Orthotropic Material, Mitigation of Stress Concentration Factor., Aerospace Engineering,Applied Electronics,Applied Sciences,Biomedical Engineering,Botany,Fluid Dynamics.