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大型高空作业车臂架大变形分析

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2011-07-09

Journal: 建筑机械(上半月)

Issue: 7

Page Number: 92-97

ISSN: 1001-554X

Key Words: 高空作业车;大变形;非线性有限元;梁单元;非线性

Abstract: 针对目前大型高空作业车伸缩式箱形臂架变形分析中不考虑臂架扭转、变幅与回转平面内的藕合作用以及大变形因素影响的问题,通过引入几何非线性有限元方法,按照梁单元特点建立高空作业车臂架有限元模型,进行非线性大变形分析.算例结果表明臂架变形非线性因素的影响较大,比线性分析结果高42.6%.该分析方法对高空作业车臂架系统的设计、分析与优化具有参考价值.

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