Establishment and validation of a dynamic finite element model of human head-neck
10.16156/j.1004-7220.2017.05.001
- VernacularTitle:建立人体头颈动力学有限元模型和验证
- Author:
Ying-Fu GUO
1
;
Hong-Xi HE
;
Wen-Xin NIU
;
Zhi-Hua CAI
Author Information
1. 湖南科技大学机电工程学院
- Keywords:
Finite element model;
Neck injury;
Head acceleration;
Model validation;
Biomechanics
- From:
Journal of Medical Biomechanics
2017;32(5):393-400
- CountryChina
- Language:Chinese
-
Abstract:
Objective To construct a three-dimensional (3D) dynamic head-neck finite element model which ac cords with the anatomical structure,and study its dynamic responses under the extemal force.Methods By using the neck CT images of a Chinese adult male volunteer and obtaining the 3D cervical point cloud data,the finite element model of cervical spine was established using ICEM-CFD and HyperMesh software.This model,including vertebrae,intervertebral discs,facet joints,ligaments and cartilage tissues,and combining with the es tablished and verified head finite element model,was assembled as human head-neck finite element model with detailed anatomical structures.Results The model was validated by data of head-neck axial impact experiments reported in previously published literature.The simulation results showed that the neck deformation,head acceleration,head force and injury positions were preferably consistent with the experimental data.Conclusions The established 3D dynamic finite element model can be used to study head-neck dynamic responses and damage mechanism in the fields of traffic safety and impact injuries.
