数字人体的数值模拟计算研究

Study on Calculation of Numerical Simulation of Digital Human Body

本文主要讨论三维原型人体模型构建的理论与方法和数字人体动态全过程数值模拟的数学力学原理部分内容。前者包括数字人体系统的设计、数据库技术及其实现和三维可视化模型系统 ;后者包括有限元法数值模拟的基本概念、弹塑性非线性问题的有限单元法分析、粘弹塑性流变问题的有限单元法分析、损伤力学问题的有限单元法分析和大变形运动过程的离散单元法。

The theory and methods constructed by three-dimension prototype human body model and parts of mathematical mechanical principles of numerical simulation of dynamic whole courses of digital human body were mainly discussed in this paper. The former included design of digital human body system, technique of database and its realization, and three-dimension visual model system. The latter included basic concept of finity cell method numerical simulation, finity cell method analysis of spring and mold nonlinear problems, finity cell method analysis of viscidity spring and mold flow change problems, finity cell method analysis of mar mechanical problems and discrete cell method of great distortion movement process.