| Abstrakt: |
Elevated liquid-containing tanks are vital constructions. They are regarded as one of the more vulnerable constructions to dynamic loads. Before performing the dynamic analysis, it is critical to compute the structure’s free vibration model analysis properties. So, the study conducts the free vibration model analysis of various elevated tanks. Prior studies have indicated that modal analysis of this kind of Liquid-Storage system with various shapes and staging models has received little attention. A free vibration analysis was performed to identify the natural frequencies, corresponding natural periods, and mode shapes of various elevated water tanks. In the finite element-based ETAB software, various elevated water tanks with cross and standard staging are simulated and studied for free vibration. The number of simulated modes is determined by the vibration of various frequencies. The study examines the differences in staging patterns between cross and conventional designs for elevated water retaining containers of circular, square, and rectangular shapes. Based on the data, the natural frequency of cross-staging patterns is higher in rectangular tanks compared to rectangular tanks with a higher model number. The findings indicate that circular tanks with cross-staging exhibit the lowest vibration frequency, whereas rectangular tanks with standard staging have the most significant frequency. Circular and square-shaped tanks typically exhibit a greater natural frequency in standard staging than cross-staging tanks. |
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