Numerical Study of Defect Free Elbows Subjected to In-Plane Bending Moment

Wang Chen; Yin Pei Wang; Pei Ning Li; Chen Jin; Xiao Ming Sun

doi:10.4028/www.scientific.net/AMR.189-193.1494

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 189-193Numerical Study of Defect Free Elbows Subjected to...

Numerical Study of Defect Free Elbows Subjected to In-Plane Bending Moment

Abstract:

Elbow is a type of components widely used in a piping system, and so it is very important to know the plastic carrying capacity of elbow. In this study, the elastic-plastic behavior of elbows with various ratios of t/rm and relative bending radius R/rm were investigated in detail by using of three-dimensional (3D) non-linear finite element (FE) analyses, assuming elastic-perfectly-plastic material behaviour and taking geometric nonlinearity into account. The analyses indicated that elbow exhibited different behavior obviously at the elastic-plastic states subjected to In-Plane opening bending moment and closing bending moment. The closed form equations of elbow involving effect of tangent pipes were established.

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Periodical:

Advanced Materials Research (Volumes 189-193)

Pages:

1494-1497

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.189-193.1494

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Online since:

February 2011

Authors:

Wang Chen, Yin Pei Wang, Pei Ning Li, Chen Jin, Xiao Ming Sun

Keywords:

Elbow, FE Analysis, In-Plane Opening/Closing Bending Moment, Limit Load

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