摘要
目的利用有限元法计算力载荷引起的大鼠胫骨骨密度变化。方法利用大鼠胫骨的工业CT扫描图像,建立其三维计算机模型;应用Beaupr啨提出来的内部骨重建方程,采用有限元法计算骨密度的变化。结果得到了各单元的骨密度变化量,及密度变化量的分布图。结论计算结果与生物实验结果吻合,证明了计算结果的准确性。
Objective To calculate changes of rat tibial density induced by mechanical load with the finite element method. Method A three-dimensional computer model was formed by processing the industrial CT image of rat tibia; bone remodeling results were predicted by using the internal bone remodeling theory presented by Beaupré in conjunction with the finite element method. Result The increments of the elements density and its distribution plot were obtained. Conclusion The simulation results agree well with the results of the biological experiment, so the simulation results were proved to be accurate.
出处
《航天医学与医学工程》
CAS
CSCD
北大核心
2005年第1期55-57,共3页
Space Medicine & Medical Engineering
基金
中国载人航天工程资助项目
关键词
有限元法
骨重建
骨密度
力载荷
CT
图像
finite element method
bone remodeling
bone density
mechanical loads
CT
image
