Determining blast loadings on an explosion containment vessel (ECV) is the foundation to design the ECV. Explosion of TNT centrally located in a thick-walled cylindrical vessel and its impact on the cylinder was simulated using the explicit finite element code LS-DYNA. Blast loadings on the cylinder computed are in good agreement with the corresponding experimental results. Then wall thickness and yield stress of the cylinder were changed in the following simulation to investigate effect of shell deformation on blast loadings. It is revealed that shell deformation during the primary pulses of blast loadings is so slight that it has little influence on the blast loadings. Though the deformation may increase greatly after the primary pulses, the dynamic response of an ECV is mainly affected by the primary pulses. Therefore, decoupled analyses are appropriate, in which the shell of an ECV is treated as a rigid wall when determining blast loadings on it.
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ASME 2007 Pressure Vessels and Piping Conference
July 22–26, 2007
San Antonio, Texas, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
0-7918-4282-7
PROCEEDINGS PAPER
Numerical Simulation of Blast Loadings on a Thick-Walled Cylindrical Vessel
Guide Deng,
Guide Deng
Zhejiang University, Hangzhou, Zhejiang, China
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Ping Xu,
Ping Xu
Zhejiang University, Hangzhou, Zhejiang, China
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Jinyang Zheng,
Jinyang Zheng
Zhejiang University, Hangzhou, Zhejiang, China
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Yongjun Chen,
Yongjun Chen
Zhejiang University, Hangzhou, Zhejiang, China
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Yongle Hu,
Yongle Hu
Northwest Institute of Nuclear Technology, Xi’an, Shaanxi, China
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Longmao Zhao,
Longmao Zhao
Tianyuan University of Technology, Taiyuan, Shanxi, China
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Yuanyuan Ma
Yuanyuan Ma
Zhejiang University, Hangzhou, Zhejiang, China
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Guide Deng
Zhejiang University, Hangzhou, Zhejiang, China
Ping Xu
Zhejiang University, Hangzhou, Zhejiang, China
Jinyang Zheng
Zhejiang University, Hangzhou, Zhejiang, China
Yongjun Chen
Zhejiang University, Hangzhou, Zhejiang, China
Yongle Hu
Northwest Institute of Nuclear Technology, Xi’an, Shaanxi, China
Longmao Zhao
Tianyuan University of Technology, Taiyuan, Shanxi, China
Yuanyuan Ma
Zhejiang University, Hangzhou, Zhejiang, China
Paper No:
PVP2007-26499, pp. 195-198; 4 pages
Published Online:
August 20, 2009
Citation
Deng, G, Xu, P, Zheng, J, Chen, Y, Hu, Y, Zhao, L, & Ma, Y. "Numerical Simulation of Blast Loadings on a Thick-Walled Cylindrical Vessel." Proceedings of the ASME 2007 Pressure Vessels and Piping Conference. Volume 4: Fluid-Structure Interaction. San Antonio, Texas, USA. July 22–26, 2007. pp. 195-198. ASME. https://doi.org/10.1115/PVP2007-26499
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