Abstract
. Reinforced concrete tanks are currently used to store various substances and products. Most often they serve as drinking water reservoirs, to sewage treatment or to store various technical fluids. Although rectangular tanks are less used, they have advantages, such as less sensitivity to one-sided loading and better utilization of space when using a group of tanks. Rectangular tank which is the matter of interest in this paper is for the purposes of analysis considered as fulfilled with water. Dynamic analysis of the tank considering fluid-structure interaction (FSI) was the matter of interest here. Deformations and bending moments of walls were obtained.
Highlights
To solve tasks related with continuum mechanics, three numerical methods are currently used
The results of the modal analysis are listed in the Chapter 1.3. and results of spectral analysis are listed in the Chapter 1.4
This is the response spectrum corresponding to the subsoil category C, area with seismic acceleration a = 1.10 m/s2
Summary
To solve tasks related with continuum mechanics, three numerical methods are currently used (finite element method, finite band method and boundary element method). The finite element method (FEM) is the most widely used method thanks to the development in the field of computer programming. The FEM is based on variational principles. Software ANSYS Academic was used to solve tasks included in this paper. In this paper rectangular concrete tank was modelled included water filling. Interaction between the fluid and tank was considered in the calculation. The subsoil category C was chosen to include subsoil effects in FSI analysis [1, 2]. A response spectrum method was used to obtain results from the dynamic loading of the tank. The most interesting variables are deformation of the tank and bending moments of the tank walls
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