Volume 45 Issue 3
Mar.  2019
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BAO Jiayi, WANG Xingwei, ZHOU Qianxiang, et al. Analysis and prediction of neck injury of pilots during carrier aircraft arrest deck-landing[J]. Journal of Beijing University of Aeronautics and Astronautics, 2019, 45(3): 499-507. doi: 10.13700/j.bh.1001-5965.2018.0404(in Chinese)
Citation: BAO Jiayi, WANG Xingwei, ZHOU Qianxiang, et al. Analysis and prediction of neck injury of pilots during carrier aircraft arrest deck-landing[J]. Journal of Beijing University of Aeronautics and Astronautics, 2019, 45(3): 499-507. doi: 10.13700/j.bh.1001-5965.2018.0404(in Chinese)

Analysis and prediction of neck injury of pilots during carrier aircraft arrest deck-landing

doi: 10.13700/j.bh.1001-5965.2018.0404
Funds:

National Key R & D Program of China 2016YFC0802807

More Information
  • Corresponding author: WANG Xingwei, E-mail:xingweiwang2013@sina.cn
  • Received Date: 02 Jul 2018
  • Accepted Date: 13 Jul 2018
  • Publish Date: 20 Mar 2019
  • Aimed at the high incidence of neck pain caused by large blocking load in the process of arrest deck-landing the aircraft carrier, the biomechanical response of pilots under the condition of continuous overload is studied by the finite element method. Based on CT scanning images, Mimics was used to perform the 3D reconstruction of the head and C1-T1 vertebrae, and Geomagic Studio was used to form a curved surface. The finite element model was established by Hypermesh and ABAQUS, and the stress and strain of each vertebra and soft tissue were calculated in ABAQUS. Combined with damage assessment criteria NIC and Nij, the neck injury of pilots was analyzed and predicted. The results show that the dynamic response of the finite element model is in agreement with the static and dynamic experimental results, and the accuracy of the model and the feasibility of the modeling method are verified. The tension of the articular capsule ligament is longer than the other ligaments, and it is easy to cause injury or relaxation. Long-term training will cause diseases such as ligament damage, intervertebral disc herniation and instability of cervical vertebra. The mean stress of C4-C5 intervertebral disc is greater than that of C5-C6 intervertebral disc. Therefore, it is easier to cause injury and should be strengthened. The probability of critical and above injuries in head and neck is only 6.07%, that is, the possibility of injury to vertebrae and spinal cord is very small. The research results can provide theoretical support for the design and improvement of neck protection devices, countermeasures and flight training methods for pilots.

     

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