STRAIN MEASURES FOR FATIGUE ASSESSMENT USING ELASTIC-PLASTIC FEA

机译：弹塑性有限元疲劳评估的应变措施

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In the ASME Code, Section Ⅲ NB-3228.4 (c) requires that if an elastic-plastic fatigue analysis is performed, the fatigue curve shall be entered with the numerically maximum principal total (elastic plus plastic) strain range multiplied by one-half the modulus of elasticity of the material at the mean cycle temperature. This paper discusses the choice of the principal strain range as well as other possible strain range measures for elastic-plastic fatigue analysis. Several generic observations that form the basis for the discussion are outlined.

机译：在ASME规范中，第Ⅲ部分NB-3228.4（c）要求，如果进行了弹塑性疲劳分析，则应输入疲劳曲线，其最大数字总应变（弹性加塑料）应变范围应乘以一半。材料在平均循环温度下的弹性模量。本文讨论了用于弹塑性疲劳分析的主应变范围的选择以及其他可能的应变范围度量。概述了构成讨论基础的一些一般性意见。

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《ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference vol.2: Computer Technology; 20050717-21; Denver,CO(US)》|2005年|P.223-231|共9页
会议地点 DenverCO(US)
作者
W. Reinhardt;
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Babcock Wilcox Canada 581 Coronation Boulevard Cambridge ON N1R 5V3 CANADA;

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正文语种 eng
中图分类压力容器;
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STRAIN MEASURES FOR FATIGUE ASSESSMENT USING ELASTIC-PLASTIC FEA

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