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In today’s highly competent world, it has become very important to design an efficient and cost effective system. Proper analytical and optimum design concepts are needed to design such systems. Steel stacks play an important role in this era of industrialization. Stacks are vertical tall slender structures which discharge chemical waste gases from industries to the atmosphere. The main aim of this paper is to minimize total weight and thus, cost of the steel chimney. Our attempt is to generate data and optimize the various design parameters of steel stack. Weight reduction of steel stack will occur by reducing values of the design variables but to an extent such that the steel stack continues to stand and it does not fail in stress analysis. Wind force calculations, stress calculations and deflection calculations have been done in excel sheet referring to IS 875 and IS 6533. Further optimization of these design parameters have been done referring to BS code guidelines. This excel sheet program will also save an individual’s time for manual calculations. Analysis of steel stack has been done using ANSYS WORKBENCH. Optimization techniques play a big role in structural design. The purpose is to find an economic path so that a designer or a decision maker can derive maximum benefit from the available resources.

Optimization and Analysis of Steel Stacks for Weight Reduction.