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|標題:||Finite element modeling for analysis of cracked cylindrical pipes||作者:||Sung, W.P.
|關鍵字:||crack shell;super-element;pressure vessel;infinitely small element;dynamic problem;super-element;singularity;components;point||Project:||Journal of Zhejiang University-Science A||期刊/報告no：:||Journal of Zhejiang University-Science A, Volume 8, Issue 9, Page(s) 1373-1379.||摘要:||
The characteristic properties of shell element with similar shapes are used to generate a so-called super element for the analysis of the crack problems for cylindrical pressure vessels. The formulation is processed by matrix condensation without the involvement of special treatment. This method can deal with various singularity problems and it also presents excellent results to crack problems for cylindrical shell. Especially, the knowledge of the kind of singular order is not necessary in super element generation; it is very economical in terms of computer memory and programming. This method also exhibits versatility to solve the problem of kinked crack at cylindrical shell.
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