Application of Taguchi Method for Optimization of Parameters in Mitigation of Stress concentration Factor of Thin Rectangular Plate under Static Loading
Abstract
Taguchi method is based on performing evaluation or experiments to test the sensitivity of a set of response variables to a set of control parameters by considering experiments in “orthogonal array” with an aim to attain the optimum setting of the control parameters. Orthogonal arrays provide a best set of well balanced experiments. In this study the Taguchi method is used to find the parameters for reducing stress concentration factor of a thin rectangular plate having central circular hole. The orthogonal array, signal to noise ratio and the analysis of variance are employed to study the factors responsible for inducing stress concentration factor. In these analysis two factors namely distance and shape of auxiliary hole were considered. Accordingly a suitable orthogonal array was selected and the experiments were carried out. After conducting the experiment stress concentration factor is calculated and signal to noise ratio was calculated. With the help of graphs optimum parameter values were obtained and the confirmation experiment was carried out. Finite element analysis results were provided to illustrate the effectiveness of this approach.
References
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