An important issue in engineering application of the “design by analysis” approach in pressure vessel design is how to decompose an overall stress field obtained by finite element analysis into different stress categories defined in the ASME B&PV Codes III and VIII-2. In many pressure vessel structures, it is difficult to obtain due to the lack of information about primary bending stress. In this paper, a simple approach to derive the primary bending stress from the finite element analysis was proposed with application examples and verifications. According to the relationship of the bending stress and applied loads or the relationship of the bending stress and displacement agreement, it is possible to identify loads causing primary bending stress for typical pressure vessel structures. By applying the load inducing primary bending stress alone and necessary superposition, the primary bending stress and corresponding stress intensity can be determined for vessel design, especially for axisymmetric problems.
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e-mail: bjgao@hebut.edu.cn
e-mail: huixiao_chen@126.com
e-mail: xpshi@hebut.edu.cn
e-mail: djh2006@hebut.edu.cn
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December 2010
Research Papers
An Approach to Derive Primary Bending Stress From Finite Element Analysis for Pressure Vessels and Applications in Structural Design
Bingjun Gao,
Bingjun Gao
School of Chemical Engineering and Technology,
e-mail: bjgao@hebut.edu.cn
Hebei University of Technology
, Tianjin 300130, China
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Xiaohui Chen,
Xiaohui Chen
School of Chemical Engineering and Technology,
e-mail: huixiao_chen@126.com
Hebei University of Technology
, Tianjin 300130, China
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Xiaoping Shi,
Xiaoping Shi
School of Chemical Engineering and Technology,
e-mail: xpshi@hebut.edu.cn
Hebei University of Technology
, Tianjin 300130, China
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Junhua Dong
Junhua Dong
School of Chemical Engineering and Technology,
e-mail: djh2006@hebut.edu.cn
Hebei University of Technology
, Tianjin 300130, China
Search for other works by this author on:
Bingjun Gao
School of Chemical Engineering and Technology,
Hebei University of Technology
, Tianjin 300130, Chinae-mail: bjgao@hebut.edu.cn
Xiaohui Chen
School of Chemical Engineering and Technology,
Hebei University of Technology
, Tianjin 300130, Chinae-mail: huixiao_chen@126.com
Xiaoping Shi
School of Chemical Engineering and Technology,
Hebei University of Technology
, Tianjin 300130, Chinae-mail: xpshi@hebut.edu.cn
Junhua Dong
School of Chemical Engineering and Technology,
Hebei University of Technology
, Tianjin 300130, Chinae-mail: djh2006@hebut.edu.cn
J. Pressure Vessel Technol. Dec 2010, 132(6): 061101 (8 pages)
Published Online: October 15, 2010
Article history
Received:
September 24, 2009
Revised:
March 29, 2010
Online:
October 15, 2010
Published:
October 15, 2010
Citation
Gao, B., Chen, X., Shi, X., and Dong, J. (October 15, 2010). "An Approach to Derive Primary Bending Stress From Finite Element Analysis for Pressure Vessels and Applications in Structural Design." ASME. J. Pressure Vessel Technol. December 2010; 132(6): 061101. https://doi.org/10.1115/1.4001656
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