| 基于三维有限元模型的脊柱生物力学特性研究进展 |
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| 引用本文： | 李芳燕,黄永锋. 基于三维有限元模型的脊柱生物力学特性研究进展[J]. 国际生物医学工程杂志, 2008, 31(4) |
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| 作者姓名： | 李芳燕 黄永锋 |
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| 作者单位： | 东华大学计算机科学与技术学院,上海,201620;东华大学计算机科学与技术学院,上海,201620 |
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| 基金项目： | 东华大学校科研和教改项目 |
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| 摘 要： | 脊柱相关疾病研究是一门新兴的边缘学科,其研究重点即为脊柱的生物力学特性.综合分析了基于三维有限元模型的腰椎和颈椎生物力学特性研究方法;总结出有限元建模的三种方法,即几何建模法、三维坐标仪建模法以及图像建模法;提炼出图像建模法的关键步骤,即几何模型的建立、椎骨和软组织的材料特性定义、边界条件定义以及模型验证分析;最后提出有限元建模的两个主要改进方面及其研究趋势.
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| 关 键 词： | 三维有限元模型 生物力学特性 脊柱 |
Research on the biomechanical properties of spine based on the 3D finite demem model |
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| LI Fang-yan,HUANG Yong-feng. Research on the biomechanical properties of spine based on the 3D finite demem model[J]. International Journal of Biomedical Engineering, 2008, 31(4) |
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| Authors: | LI Fang-yan HUANG Yong-feng |
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| Abstract: | The research of spine related disease is an emerging interdisciplinary subject and the key point is the spinal biomechanical properties.In this paper,the method of studying biomechanical properties of lumhar and cervical vertebra based on 3D finite element model is analyzed.Three kinds of method in building finite element model are specified:geometric modeling method,3D coordinatngraphic modeling method and image modeling method.The three key steps of image modeling method for building of basic geometric model are extracted as defining material behavior of vertebra and soft tissue,defining boundary condition,and confirming of the model.Then two principal improving aspects of building finite element model and the foreground of the research are discussed. |
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| Keywords: | 3D finite dement model Biomechanical properties Spine |
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