| 人工椎间盘的超弹性变形分析 |
| |
| 引用本文： | 杨庆生,许芳.人工椎间盘的超弹性变形分析[J].北京工业大学学报,2007,33(8):796-801. |
| |
| 作者姓名： | 杨庆生 许芳 |
| |
| 作者单位： | 北京工业大学,机械工程与应用电子技术学院,北京,100022;北京工业大学,机械工程与应用电子技术学院,北京,100022 |
| |
| 基金项目： | 国家自然科学基金(30470439);;北京市优秀人才专项基金(20041A0501517) |
| |
| 摘 要： | 为了分析人工生物材料的基本性能,并了解人工生物材料在人体环境中的实际工作状态,建立了人工椎间盘的平面应变超弹性力学模型,包括上下骨板、外环和中间核3部分;研究了在拉、压、剪切作用下人工椎间盘的超弹性变形和应力-应变关系.研究结果表明,超弹性力学模型能很好地模拟人工椎间盘的非线性载荷-位移曲线和应力-位移曲线.
|
| 关 键 词： | 人工椎间盘 超弹性 有限变形 平面应变 应力-应变关系 |
| 文章编号： | 0254-0037（2007）08-0796-06 |
| 修稿时间： | 2006-06-06 |
Hyperelastic Behavior and Deformation of Artificial Intervertebral Disc |
| |
| YANG Qing-sheng,XU Fang.Hyperelastic Behavior and Deformation of Artificial Intervertebral Disc[J].Journal of Beijing Polytechnic University,2007,33(8):796-801. |
| |
| Authors: | YANG Qing-sheng XU Fang |
| |
| Affiliation: | College of Mechanical Engineering and Applied Electronics Technology;Beijing University of Technology;Beijing 100022;China |
| |
| Abstract: | In order to analyze the basic performance of artificial biomedical material and study their actual work state in the human environment,a hyperelastic plan-strain model of artificial intervertebral disc which consists of end-plates,annulus and nucleus is developed.The hyperelastic deformation of artificial inter- vertebral disc under the loadings of extension,pressure and shearing force are investigated.The nonlinear load-displacement curves and the stress-displacement curves of the artificial intervertebral... |
| |
| Keywords: | artificial intervertebral disc hyperelastic finite deformation plain-strain stress-strain relations |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
