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| 1 | 颅脑有限元模型的研究进展及应用显示文摘有限元法(finite element method,FEM)是随着电子计算机的发展而迅速发展起来的一种数值分析方法,同时也是一种比较先进的生物力学研究方法。FEM早期应用于工程科学技术领域,近几年来,生物医学工程领域已经广泛应用FEM进行脑方面的研究。随着交通、运输业的发展,颅脑损伤发生的概率越来越高,严重威胁着人类的身体健康。通过建立颅脑有限元模型,可以很好地研究颅脑损伤的生物力学机制。总结颅脑有限元模型的建立、发展和应用,并对未来的研究方向进行展望。 | 张丙淑 随力 | 2017 | 医用生物力学2017，32，6： | 7 |
| 2 | A Study on the Finite Element Model for Head Injury in Facial Collision Accident显示文摘In order to predict and evaluate injury mechanism and biomechanical response of the facial impact on head injury in a crash accident.With the combined modern medical imaging technologies,namely computed tomography(CT)and magnetic resonance imaging(MRI),both geometric and finite element(FE)models for human head-neck with detailed cranio-facial structure were developed.The cadaveric head impact tests were conducted to validate the headneck finite element model.The intracranial pressure,skull dynamic response and skull-brain relative displacement of the whole head-neck model were compared with experimental data.Nine typical cases of facial traffic accidents were simulated,with the individual stress wave propagation paths to the intracranial contents through the facial and cranial skeleton being discussed thoroughly.Intracranial pressure,von Mises stress and shear stress distribution were achieved.It is proved that facial structure dissipates a large amount of impact energy to protect the brain in its most natural way.The propagation path and distribution of stress wave in the skull and brain determine the mechanism of brain impact injury,which provides a theoretic basis for the diagnosis,treatment and protection of craniocerebral injury caused by facial impact. | Bin Yang Hao Sun Aiyuan Wang Qun Wang | 2020 | Molecular & Cellular Biomechanics2020，17，1： | 0 |
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