| 摘要: |
| 目的采用有限元方法建立颌面部枪弹伤模型，并对人下颌骨颏部正中位置枪弹伤的致伤过程及损伤程度进行动态模拟和分析，探讨建立人下颌骨枪弹伤模型的新方法。方法在以往动物实验建模方法及内置参数的基础上，利用数字化人下颌骨的CT扫描数据建立人下颌骨的三维有限元模型；动态模拟不同投射条件下下颌骨颏部正中位置枪弹伤的发生过程；计算不同投射物以不同初速度及不同角度入射后的终末速度及其穿出下颌骨后的能量损耗数值及能量损耗率；并对所得数据进行比较分析。结果成功模拟了2种投射物以3种初速度及3种入射角度击伤人下颌骨颏部正中位置的 |
| 关键词: 下颌骨 创伤弹道学 有限元分析 数值模拟 生物力学 |
| DOI：10.3724/SP.J.1008.2011.0845 |
| 投稿时间：2011-04-11修订日期：2011-07-19 |
| 基金项目: |
|
| Dynamic simulation and finite element analysis of gunshot wounds to the center of mandible mental region in human |
| TANG Zhen1,ZHOU Zhong-hua2,ZHANG Shao-xiang3,ZHANG Gang1,CHEN Yu-bin1,LEI Tao1,TAN Ying-hui1* |
| (1. Department of Oral and Maxillofacial Surgery, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China;2. Department of Oral and Maxillofacial Surgery, Changhai Hospital, Second Military Medical University, Shanghai 200433, China;3. Department of Anatomy, College of Medicine, Third Military Medical University, Chongqing 400037, China) |
| Abstract: |
| ObjectiveTo establish a finite element model of gunshot wound on the maxillofacial region in human, and to conduct dynamic simulation and analysis of the injury process and degree of gunshot wounds to the center of mandible mental region, so as to explore |
| Key words: mandible wound ballistics finite element analysis numerical simulation biomechanics |
