【摘要】：目的建立符合解剖結(jié)構(gòu)的頭頸三維動力學(xué)有限元模型,研究沖擊力作用下頭頸部動力學(xué)響應(yīng)。方法采用中國成年男性志愿者頸部CT掃描圖像,獲取頸椎三維點(diǎn)云數(shù)據(jù),通過有限元前處理軟件ICEM-CFD和Hyper Mesh建立頸部有限元模型。模型包括椎骨、椎間盤、小關(guān)節(jié)、韌帶和軟骨等組織,結(jié)合已建立并驗證的頭部有限元模型,裝配成具有詳細(xì)解剖結(jié)構(gòu)的人體頭頸部有限元模型。結(jié)果模型參考公開發(fā)表的頭頸部軸向沖擊實(shí)驗數(shù)據(jù)進(jìn)行驗證,其頸部變形、頭部加速度、接觸力曲線以及損傷部位與實(shí)驗數(shù)據(jù)吻合較好。結(jié)論動力學(xué)三維有限元模型可用于汽車安全、運(yùn)動學(xué)損傷等領(lǐng)域人體頭頸部的動態(tài)響應(yīng)和損傷機(jī)制研究。
[Abstract]:Objective to establish a three-dimensional dynamic finite element model of head and neck in accordance with anatomical structure and to study the dynamic response of head and neck under impact force. Methods the cervical CT images of Chinese adult male volunteers were used to obtain 3D point cloud data of cervical vertebrae. The cervical finite element model was established by ICEM-CFD and Hyper Mesh. The model consists of vertebrae intervertebral disc facet joint ligaments and cartilage. Combined with the established and verified finite element model of the head the finite element model of head and neck with detailed anatomical structure is assembled into the finite element model of human head and neck. Results the model was verified by referring to the published experimental data of axial impact on the head and neck. The deformation of the neck, the acceleration of the head, the contact force curve and the location of the injury were in good agreement with the experimental data. Conclusion the dynamic three dimensional finite element model can be used to study the dynamic response and damage mechanism of human head and neck in the field of automobile safety and kinematics.
【作者單位】： 湖南科技大學(xué)機(jī)電工程學(xué)院;同濟(jì)大學(xué)附屬上海市養(yǎng)志康復(fù)醫(yī)院(上海市陽光康復(fù)中心);湖南大學(xué)汽車車身先進(jìn)設(shè)計制造國家重點(diǎn)實(shí)驗室;
【基金】：博士后面上項目(2016M592421) 國家自然科學(xué)基金項目(51405153) 湖南省科技支撐計劃重點(diǎn)項目(2015NK3031) 湖南省重點(diǎn)研發(fā)計劃(2016GK2077) 湖南省教育廳重點(diǎn)項目(17A068)
【分類號】：R318.01

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