摘要
推导了随机有限元的基本方程并编制了计算机程序。利用程序计算了某型号摩托车架结构强度的可靠性。数值结果表明,在结构优化设计中,重量的减轻可能会引起结构可靠度的大幅度下降,因而在重要结构的优化设计中,须对优化结果验算其可靠度。
In this paper,the basic stochastic FEM equations are developed and used to analyse the raliabity of a motorbike frame structure. The numerical velues show that the reliability constraint must be taken into account in structural optimization design becaues the lighter weight will usually result in a sharp drop of reliability.
出处
《贵州工业大学学报(自然科学版)》
CAS
1998年第2期39-42,共4页
Journal of Guizhou University of Technology(Natural Science Edition)
关键词
随机有限元
结构强度
可靠性
摩托车
stochastic FEM
strcture strength
reliability analysis
structural optimization design