Abstract
In this study, structural analysis and optimal design of several shapes of valve body were performed to derive the optimal shape of valve. The structural safety of the development angle valves was determined through the fluid-structural interaction analysis for the optimal shape valve. The material of the valve body is STS304, and the safety factor is obtained in comparison with the allowable stress. As a result of the analysis of the optimal shape valve, the safety factor was 2.44 and the valve was safe. Comparing the structural analysis results with the fluid-structural interaction analysis, the stress increased by about 41.3% in the case of the interaction analysis. For the optimal shape valve, the mass was reduced by about 25% compared to the original valve model.
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