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首页> 美国卫生研究院文献>Journal of Biomechanical Engineering >Head and Neck Response of a Finite Element Anthropomorphic Test Device and Human Body Model During a Simulated Rotary-Wing Aircraft Impact
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Head and Neck Response of a Finite Element Anthropomorphic Test Device and Human Body Model During a Simulated Rotary-Wing Aircraft Impact

机译：模拟旋翼飞机撞击过程中有限元拟人化测试装置和人体模型的头部和颈部响应

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摘要

A finite element (FE) simulation environment has been developed to investigate aviator head and neck response during a simulated rotary-wing aircraft impact using both an FE anthropomorphic test device (ATD) and an FE human body model. The head and neck response of the ATD simulation was successfully validated against an experimental sled test. The majority of the head and neck transducer time histories received a CORrelation and Analysis (CORA) rating of 0.7 or higher, indicating good overall correlation. The human body model simulation produced a more biofidelic head and neck response than the ATD experimental test and simulation, including change in neck curvature. While only the upper and lower neck loading can be measured in the ATD, the shear force, axial force, and bending moment were reported for each level of the cervical spine in the human body model using a novel technique involving cross sections. This loading distribution provides further insight into the biomechanical response of the neck during a rotary-wing aircraft impact.
机译：已经开发了有限元（FE）仿真环境，以使用FE拟人测试设备（ATD）和FE人体模型研究在模拟旋翼飞机撞击过程中飞行员头部和颈部的反应。 ATD模拟的头部和颈部反应已通过实验雪橇测试成功验证。大多数头颈部换能器的时间历史记录的相关性和分析（CORA）评分为0.7或更高，表明总体相关性良好。与ATD实验测试和模拟相比，人体模型模拟产生了更大的生物理想的头颈部反应，包括颈部曲率的变化。尽管在ATD中只能测量上下颈部的负荷，但是使用涉及横截面的新技术报告了人体模型中颈椎每个水平的剪切力，轴向力和弯矩。这种载荷分布提供了对旋翼飞机撞击过程中颈部生物力学响应的进一步了解。

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