A Unified Analytical Method of Stress Analysis for Tubesheet--Part II-Case Study

[+] Author and Article Information
Hongsong Zhu

Independent Researcher, ShiDa ErCun, Putuo District, Shanghai 200062, PR China

1Corresponding author.

ASME doi:10.1115/1.4038655 History: Received February 17, 2017; Revised November 13, 2017


Based on the unified analytical method of stress analysis for Tubesheet(TS) presented in Part I, theoretical and numerical comparison with ASME method are performed in this paper as Part II. Theoretical comparison shows that ASME method can be obtained from the special case of the simplified mechanical model of the unified method. Numerical Comparison results indicate that predictions given by the unified method agree well with finite element analysis (FEA), while ASME results are not accurate or not correct. Therefore, it is concluded that the unified method deals with thin TS of different type HEX in equal detail with confidence to predict design stresses.

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