人体脊柱在全身振动中的数值分析

S. Mačužić Saveljić, D. Nikolić, N. Filipovic
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引用次数: 0

摘要

振动是机械系统的振荡运动,其中点的位移与系统的尺寸相比很小。暴露在全身振动中会降低乘客在车内的舒适度,造成压力、疲劳和不适。振动会影响腰椎、胃肠系统、外周静脉和前庭系统。在这项研究中,一名男性受试者在高速公路上以80公里/小时的速度驾驶时暴露于WBV。记录在汽车座椅上的运动被转移到一个3D脊柱模型中。给出了Von mises应力和变形的数值结果。
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NUMERICAL ANALYSIS OF HUMAN SPINE DURING WHOLE BODY VIBRATION
Vibrations are oscillatory movements of the mechanical system, in which displaments of points are small compared to the dimensions of the system. Exposure to whole body vibrations reduces the comfort of passengers in the vehicles, causing stress, fatigue and discomfort. Vibrations can affect the lumbar spine, the gastrointestinal system, the peripheral veins and the vestibular system. In this study, one male subject was exposed to WBV while driving on the highway at a speed of 80 km/h. The movements recorded on the vehicle seat were transferred to a 3D spine model. Numerical results of Von Misses stress and deformation were presented.
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