An analysis of the dynamic response of nuclear containment under the impact of a large commercial aircraft

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Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (20) : 8-14.

HUANG Tao1,ZHANG Tao2,DONG Zhanfa1,WU Hao3,FANG Qin2

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Abstract

The dynamic response of a nuclear containment structure under the impact of a large commercial aircraft is a focus in the field of nuclear safety.By using the LS-DYNA program, the entire impact process of a large commercial aircraft impacting on the containment was numerically simulated.Based on a large commercial aircraft A380 and enveloping the basic features of a current typical commercial aircraft, the fine FE model of a full-scale aircraft was established and modified by comparing its simulated impact force with the specified objective curve.Meanwhile, the FE models of containment and its surrounding houses were established, which were verified based on a aircraft engine impact test.Exerting on the relatively weaker position, the normal impact was reproduced with the missile-target interaction method, and the impact phenomena, impact force, concrete damage and the impact displacement were obtained.The related work and conclusions can provide references for the engineering safety evaluation and structural design. 

Key words

aircraft impact / nuclear containment / dynamic response / simulation analysis

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HUANG Tao1,ZHANG Tao2,DONG Zhanfa1,WU Hao3,FANG Qin2. An analysis of the dynamic response of nuclear containment under the impact of a large commercial aircraft[J]. Journal of Vibration and Shock, 2018, 37(20): 8-14

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