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Size and Topological Optimization of Cantilever Beam

Author(s): S Darshan#1 , Akshay Varik#2 , Anirudh N Katti#3 , Amit Kumar Singh#4 , Rahul R Kamath

Journal: International Journal of Engineering Trends and Technology
ISSN 2231-5381

Volume: 4;
Issue: 5;
Start page: 2077;
Date: 2013;
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Keywords: Structural Optimization | Cantilever Beam | Johnson’s method | topological optimization | COMSOL.

Optimization is the process of selecting the best possible results among many possible results under given circumstances. Mathematically it is finding the global maxima or minima of a function. This paper concerns with the optimization of a cantilever beam. The governing idea is to reduce the mass of the beam for a given strength. The cross section under consideration is a rectangular one. A Graphical Approach has been adopted to plot SOM equations on Matlab to obtain a common acceptable domain. A traditional method, Johnson’s method was considered to account for fatigue strength of the material and obtain optimum dimensions. Finally COMSOL software was used to topologically optimize the beam.

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