Study on Elasto-Plastic Response of the Unsupported Random Launching Site for the Missile

Jie Ren; Xiao He Zhou; Da Wei Ma; Jian Lin Zhong

doi:10.4028/www.scientific.net/AMR.945-949.1274

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 945-949Study on Elasto-Plastic Response of the...

Study on Elasto-Plastic Response of the Unsupported Random Launching Site for the Missile

Abstract:

The elasto-plastic response of the launching site for a missile during the launching phase is studied. Firstly, simulate the asphalt concrete layer with Drucker-Prager/Creep creeping model. Secondly, the finite element model of the launching site is built. Finally, research the elasto-plastic response of launching site under the launch canister under catapult load. The results show that: integral subsidence appears in the unsupported random launching site under catapult load, the sedimentation value of the center point is greater than that in the edge of the launching site under catapult load, the edge of the launching site is higher as a whole than the middle, the stress at the edge of the catapult load is the greatest, the instantaneous stress of the center point under catapult load is the greatest when the launching load finishes.

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Periodical:

Advanced Materials Research (Volumes 945-949)

Pages:

1274-1279

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.945-949.1274

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Online since:

June 2014

Authors:

Jie Ren, Xiao He Zhou, Da Wei Ma, Jian Lin Zhong

Keywords:

Elasto-Plastic Response, Launching Site, Unsupported Random Launching

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