Finite element based plastic loads for elbows with local wall thinning

Jong Hyun Kim; Chang Sik Oh; Joon Hyuk Ahn; Yun Jae Kim; Chi Yong Park; Sung Ho Lee; Tae Ryong Kim

doi:10.1115/PVP2007-26219

Finite element based plastic loads for elbows with local wall thinning

Jong Hyun Kim, Chang Sik Oh, Joon Hyuk Ahn, Yun Jae Kim, Chi Yong Park, Sung Ho Lee, Tae Ryong Kim

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Based on systematic three-dimensional (3-D), large strain FE limit analyses using elastic-perfectly plastic materials, this paper quantifies the effect of local wall thinning on plastic behaviors and TES (twice-elastic-slope) plastic loads for 90° elbows under in-plane bending. The thinning geometry is assumed to be rectangular rather than circular, but the nonlinear geometry effect is fully considered. Results from systematic analyses lead to simple approximations for TES plastic loads, covering a wide range of elbow and thinning geometries.

Original language	English
Title of host publication	2007 Proceedings of the ASME Pressure Vessels and Piping Conference - Materials and Fabrication
Pages	777-787
Number of pages	11
DOIs	https://doi.org/10.1115/PVP2007-26219
Publication status	Published - 2008
Event	2007 ASME Pressure Vessels and Piping Conference, PVP 2007 - San Antonio, TX, United States Duration: 2007 Jul 22 → 2007 Jul 26

Publication series

Name	American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume	6
ISSN (Print)	0277-027X

Other

Other	2007 ASME Pressure Vessels and Piping Conference, PVP 2007
Country/Territory	United States
City	San Antonio, TX
Period	07/7/22 → 07/7/26

ASJC Scopus subject areas

Mechanical Engineering

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10.1115/PVP2007-26219

Cite this

Kim, J. H., Oh, C. S., Ahn, J. H., Kim, Y. J., Park, C. Y., Lee, S. H., & Kim, T. R. (2008). Finite element based plastic loads for elbows with local wall thinning. In 2007 Proceedings of the ASME Pressure Vessels and Piping Conference - Materials and Fabrication (pp. 777-787). (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 6). https://doi.org/10.1115/PVP2007-26219

Finite element based plastic loads for elbows with local wall thinning. / Kim, Jong Hyun; Oh, Chang Sik; Ahn, Joon Hyuk et al.
2007 Proceedings of the ASME Pressure Vessels and Piping Conference - Materials and Fabrication. 2008. p. 777-787 (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 6).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kim, JH, Oh, CS, Ahn, JH, Kim, YJ, Park, CY, Lee, SH & Kim, TR 2008, Finite element based plastic loads for elbows with local wall thinning. in 2007 Proceedings of the ASME Pressure Vessels and Piping Conference - Materials and Fabrication. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, vol. 6, pp. 777-787, 2007 ASME Pressure Vessels and Piping Conference, PVP 2007, San Antonio, TX, United States, 07/7/22. https://doi.org/10.1115/PVP2007-26219

Kim JH, Oh CS, Ahn JH, Kim YJ, Park CY, Lee SH et al. Finite element based plastic loads for elbows with local wall thinning. In 2007 Proceedings of the ASME Pressure Vessels and Piping Conference - Materials and Fabrication. 2008. p. 777-787. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP). doi: 10.1115/PVP2007-26219

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abstract = "Based on systematic three-dimensional (3-D), large strain FE limit analyses using elastic-perfectly plastic materials, this paper quantifies the effect of local wall thinning on plastic behaviors and TES (twice-elastic-slope) plastic loads for 90° elbows under in-plane bending. The thinning geometry is assumed to be rectangular rather than circular, but the nonlinear geometry effect is fully considered. Results from systematic analyses lead to simple approximations for TES plastic loads, covering a wide range of elbow and thinning geometries.",

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AU - Lee, Sung Ho

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N2 - Based on systematic three-dimensional (3-D), large strain FE limit analyses using elastic-perfectly plastic materials, this paper quantifies the effect of local wall thinning on plastic behaviors and TES (twice-elastic-slope) plastic loads for 90° elbows under in-plane bending. The thinning geometry is assumed to be rectangular rather than circular, but the nonlinear geometry effect is fully considered. Results from systematic analyses lead to simple approximations for TES plastic loads, covering a wide range of elbow and thinning geometries.

AB - Based on systematic three-dimensional (3-D), large strain FE limit analyses using elastic-perfectly plastic materials, this paper quantifies the effect of local wall thinning on plastic behaviors and TES (twice-elastic-slope) plastic loads for 90° elbows under in-plane bending. The thinning geometry is assumed to be rectangular rather than circular, but the nonlinear geometry effect is fully considered. Results from systematic analyses lead to simple approximations for TES plastic loads, covering a wide range of elbow and thinning geometries.

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Finite element based plastic loads for elbows with local wall thinning

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