Abstract
The buckling and post-buckling strength of stiffened panels subjected to compressive loads largely depends upon type and dimensions of stiffeners used. The current research investigates the use of T shaped stiffener in vertical configuration in rectangular plate with square opening for improving strength and buckling characteristics. The static structural analysis is conducted using ANSYS FEA software and dimensions of T shaped stiffeners are optimized using Taguchi response surface optimization. The design points are generated using CCD (Central Composite Design) scheme of response surface method and corresponding responses of optimization variables are captured in 3D plots. The sensitivity chart is generated to determine the effect of optimization variables on parameters of interest which are stress, strain, deformation, buckling load and safety factor. The optimization technique has successfully provided set of values for different parameters for which buckling and stresses are minimum and maximum.
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