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Analysis of piping stress intensification factors based on numerical models

机译:基于数值模型的管道应力强化因子分析

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摘要

Paper presents review of the existing equations for stress intensification factors widely used in the engineering practice. Based on a significant number of data points obtained by means of numerical (i.e. finite element) analysis it has been shown that the existing equations may yield non-conservative results which may lead to underestimate of piping stresses. New equations have been proposed which are a better fit to both numerical data and the experimental data used to establish the original stress intensification factors.
机译:论文介绍了在工程实践中广泛应用于应力强化因素的现有方程的审查。 基于通过数值(即有限元)分析获得的大量数据点,已经证明现有等式可以产生非保守结果,这可能导致管道应力低估。 已经提出了新的方程,其对数值数据和用于建立原始应力强化因素的实验数据更好。

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