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SYSTEMS AND METHODS TO ESTIMATE NOMINAL STRESS USING FINITE ELEMENT CALCULATED STRESS
SYSTEMS AND METHODS TO ESTIMATE NOMINAL STRESS USING FINITE ELEMENT CALCULATED STRESS
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机译:用有限元计算应力估算名义应力的系统和方法
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摘要
Systems and methods described herein are configured to estimate nominal stress using finite element (FE) stress calculations, without hand calculations, specific mesh density requirements, or identifying specific geometric parameters such as plate thickness. The systems and methods described herein may be utilized to identify nominal stress in welded structures and components, and also in non-welded components that have stress raisers due to other causes. The systems and methods described herein also allow readily available FE stress results to be utilized in a consistent manner, as well as providing user feedback regarding the accuracy of the nominal stress approximations. Furthermore, the systems and methods described herein are generally faster and less error prone than conventional techniques, and are relatively insensitive to mesh density of the FE stress calculations.
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