Journal of Civil and Environmental Engineering

ISSN: 2165-784X

Open Access

Behaviour-Finite Elements Analysis-Modeling of Hyperbolic Cooling Towers under Static and Vortex Wind Forces


Sumit Guha*

Aim of this paper is software package utilized towards a practical application by considering problem of natural draught hyperbolic cooling towers. This paper deals with the study of hyperbolic cooling tower of 120 m high above ground level. This cooling tower has been analyzed for wind load using ANSYS by assuming fixity at the shell base. For this analysis a single case of the tower with alternative ‘I’ and ‘V’ supports is taken up. The wind load on this cooling towers has been calculated in the form of pressure by using the circumferentially distributed design wind pressure coefficients as given in IS: 11504-1985 code along with the design wind pressures at different levels as per IS: 875 (Part 3)-1987 code. The analysis has been carried out using and 4-noded shell element. The vertical distribution of membrane forces along and the circumferential distributions at base, throat and top levels have been studied for the cooling tower.


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