Multiscale Validation of Multiple Human Body Model Functional Spinal Units.
Multiscale Validation of Multiple Human Body Model Functional Spinal Units.
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多个人体模型功能性脊柱单位的多尺度验证。
DOI：
10.1115/1.4049332
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发表时间：
2021
期刊：
影响因子：
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通讯作者：
Draper D
中科院分区：
文献类型：
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作者：
Draper D
对五个人体模型(HBM)腰椎进行了两个加载情况下的验证，目的是在汽车乘员模拟等高应变率应用中使用和应用HBMS。第一个加载情况是由材料试验机以1/S的应变率加载的单个椎间盘。第二种加载情况是腰椎功能脊柱单元(FSU)，使用落塔装置进行压缩，产生高达48/S的应变率。与FSU模拟相比，IVD模拟与实验更符合，并且根据加载情况的不同，HBMS与实验最匹配的排名也不同。这些观察结果表明，需要对腰椎进行更多的分级验证，以增加HBMS在高应变率加载情况下的实用性。
A validation comparing five human body model (HBM) lumbar spines is carried out across two load cases, with the objective to use and apply HBMs in high strain rate applications such as car occupant simulation. The first load case consists of an individual intervertebral disc (IVD) loaded in compression at a strain rate of 1/s by a material testing machine. The second load case is a lumbar functional spine unit (FSU) loaded in compression using a drop tower setup, producing strain rates of up to 48/s. The IVD simulations were found to have a better agreement with the experiments than the FSU simulations, and the ranking of which HBMs matched best to the experiment differed by load case. These observations suggest the need for more hierarchical validations of the lumbar spine for increasing the utility of HBMs in high strain rate loading scenarios.