Research on Opening Holes in Cylindrical Shell Based on ANSYS Simulation

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Abstract:

With the development of production and technology, the devices of oil refining, chemical, fertilizer and others are progressing to the direction of high parameters (high pressure, high temperature). Pressure vessels must be open, which will made the stress concentration problems more serious, and traditional design methods derived from empirically formula fails to meet the actual demand. In this paper, a theoretical result is calculated with a simplified model of the opening holes in cylindrical shell, verified by a group of solutions got by the ANSYS simulation. And it turns out that the result is rather satisfactory.

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127-130

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March 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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[2] Draw a developed curve with r=0. 5, R=0. 5: 0. 55: 0. 6 in Matlab. It means that the opening rate of the developed curve is from 0. 24 to 0. 9 , as shown in Fig. 1. Therefore, when the opening rate is less than 0. 6, the difference between the expansion curve and the projection curve is very little. In a certain error range, the curve can be handled as a round hole.

DOI: 10.1057/9781137374660.0009

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