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Numerical Simulation of Dynamic Plastic Response of Cylindrical Steel Lining-concrete Structure Under Internal Intense Blast Loading

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This paper presents numerical simulation results of cylindrical steel lining-concrete structure's dynamic plastic response under internal intense blast loading by ANSYS/lS-DYNA finite element software. The emphasis is put on the dynamic plastic deformation and three-dimensional stress conditions of steel lining-concrete structure. It is shown that maximal plastic deformation of steel lining-concrete structure results from the first action of shock wave on internal surface of the structure. For the steel lining of the structure, radial stress is compressive stress, while hoop and axial stress is tension stress. For concrete of the structure, three-dimension stress is compressive stress near the out surface of steel lining. Radial stress of concrete at intense shock wave seems to decay as an exponential function with increasing of scaled–distance.

Affiliations: 1: School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechinal University, Xi' an, 710072 P.R. China, Northwestern Nuclear Technology Institute, Xi' an, 710024, P.R. China;, Email: npuwwp@yahoo.com.cn; 2: School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechinal University, Xi' an, 710072 P.R. China; 3: Northwestern Nuclear Technology Institute, Xi' an, 710024, P.R. China

10.1163/157361108784890688
/content/journals/10.1163/157361108784890688
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/content/journals/10.1163/157361108784890688
2008-06-01
2016-12-08

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