摘要
提出了用简单连续化模型分析框架侧移的近似方法 .根据应变能相等的原则 ,得出了与原框架等效的连续化模型及其侧移的解析解 .实例分析表明 ,用此种方法分析框架侧移具有较高的精确度 .同时 ,连续化方法能使计算分析得以大大简化 .因此 ,它对分析大型框架 ,尤其在初步设计阶段具有很高的实用价值 .
An approximate method based on a continuous model is proposed for analysis of strain energy equalization, and a continuum model equivalent to the original frame is derived. By use of this model, a function of frame lateral displacement is established. The analysis of practical examples illustrates that the method for analysing frame lateral displacement is of high accuracy. In the meantime, the continuum method can result in considerable simplicity in computation analysis,making the method attractive in the analysis of large frames,especially during the preliminary design stage.
出处
《河海大学学报（自然科学版）》
CAS
CSCD
北大核心
2001年第1期12-16,共5页
Journal of Hohai University(Natural Sciences)
基金
上海市教委青年科学基金资助项目! (812 95 3 )
关键词
连续化模型
变分原理
框架结构
frame
lateral displacement
continuum model
variational principle
