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首页> 外文会议>2002 ASME International Mechanical Engineering Congress and Exposition , Nov 17-22, 2002, New Orleans, Louisiana >FINITE ELEMENT MODEL OF THOR DUMMY LOWER LEG
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FINITE ELEMENT MODEL OF THOR DUMMY LOWER LEG

机译：索哑下腿的有限元模型

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摘要

THOR is a next generation crash test dummy incorporating additional advanced instrumentation and improved biofidelity than the Hybrid III dummy. This paper describes the development and validation of a finite element model of the lower leg assembly of the THOR 50th percentile male. The lower leg assembly has one translational degree-of-freedom in the axial direction along the tibia, and three rotational degrees-of-freedom in the ankle area with respect to its knee joint. It also includes a representation of the Achilles tendon load path, Modeling approaches used to simulate these features are discussed. Material properties of individual deformable components and articulated joints, as well as overall dynamic model performance, are calibrated using results of physical tests that mimic the loading environments experienced by the lower leg and foot in typical vehicle crashes. The model provides a computational tool for studying lower extremity injuries, including that of foot and ankle, which have gained increasing attention in recent years.
机译：THOR是下一代碰撞测试假人，与Hybrid III假人相比，具有更多的先进仪器和更高的生物保真度。本文介绍了THOR 50％男性小腿组件的有限元模型的开发和验证。小腿组件在沿胫骨的轴向上具有一个平移自由度，在脚踝区域相对于其膝关节具有三个旋转自由度。它还包括跟腱加载路径的表示形式，并讨论了用于模拟这些特征的建模方法。使用物理测试的结果来校准各个可变形部件和关节的材料特性以及整体动力学模型的性能，这些结果模拟了小腿和脚在典型的车辆碰撞中所经历的载荷环境。该模型为研究下肢受伤（包括脚和脚踝受伤）提供了一种计算工具，近年来受到越来越多的关注。

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