吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (6): 1571-1577.doi: 10.13229/j.cnki.jdxbgxb201406006
陈吉清1, 2, 马正伟1, 2, 兰凤崇1, 2, 杜天亚1, 2
CHEN Ji-qing1, 2, MA Zheng-wei1, 2, LAN Feng-chong1, 2, DU Tian-ya1, 2
摘要:
为了研究碰撞过程中骨盆的生物力学响应和损伤机理,构建了一个基于50百分位中国男性CT影像的骨盆三维有限元模型。模型采用Guillemot实验和Salzar实验进行仿生可靠性验证,并比较了皮质骨分别采用六面体单元和壳单元模拟时模型的准确性。结果表明:两者均能有效地预测骨盆的碰撞响应和损伤,但皮质骨采用六面体单元模拟时,与试验结果具有更好的一致性。此外,通过与同等条件下女性骨盆碰撞仿真及试验结果的对比分析,发现男女骨盆由于几何形状以及外部尺寸差异,导致两者在碰撞条件下抵抗变形的能力不同。
中图分类号:
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