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| A study on soft-landing buffering process of manned armored vehicle airdrop |
| FU Xinhua1，WANG Jun1，CHEN Yong2，CHEN Xueyang1 |
1. Airborne Training Center, Guilin 541003, China;
2. Aerospace Life-Support Industries Ltd., AVIC, Xiangyang 441003, China |
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Abstract Since it was very costly and complicated to implement airdrop test using real equipment, finite element method(FEM) was taken to build the simulation model of manned armored vehicle airdrop to analyze its landing buffering adaptability. The finite element model was verified by real equipment airdrop test, and the model was proved to be feasible. Through simulating calculation of the soft-landing buffering process of manned armored vehicle airdrop under typical airdrop conditions, an analysis was conducted towards the dynamic characteristics and safety of the crew under the impact of landing.The simulation results show that the airbag buffer system can help manned armored vehicle airdrop realize effective buffer under the circumstances of the landing ground at an altitude of 3000m below sea level, vertical landing velocity less than 9m/s, longitudinal horizontal landing speed less than 8m/s, horizontal speed less than 6m/s. The damage parameters of crew’s head, chest and neck are less than the tolerance limits of human body. Manned armored vehicle airdrop is safe.
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Received: 13 July 2020
Published: 28 December 2021
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