中国机械工程2011，Vol.22Issue(19)：2341-2343,2348,4.
基于多项式混沌方法的柔性多体系统不确定性分析
Uncertainty Analysis of Flexible Multibody Systems Using Polynomial Chaos Methods
摘要
Abstract
A parametrical uncertainty analysis of flexible multibody systems was presented.The deformations of flexible parts were modeled using ANCF.Polynomial chaos methods were employed to solve ANCF-based flexible multibody systems with random variables.Theoretical analysis and numerical examples were made to compare the accuracy and efficiency of polynomial chaos methods and Monte Carlo simulation method.Results show that polynomial chaos methods are more effective than Monte Carlo simulation to achieve the same accuracy in solving complex flexible multibody systems.关键词
柔性多体系统/绝对节点坐标/多项式混沌/随机响应面方法Key words
flexible multibody system/absolute nodal coordinate formulation（ANCF）/polynomial chaos/stochastic response surface method（SRSM）分类
数理科学引用本文复制引用
皮霆,张云清,吴景铼..基于多项式混沌方法的柔性多体系统不确定性分析[J].中国机械工程,2011,22(19):2341-2343,2348,4.基金项目
国家自然科学基金资助项目（60874064) （）
