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Abstract:
对结构优化设计中压杆稳定可靠度约束进行了简化处理,在3类截面的压杆稳定曲线下给出临界抗力均值、变异系数的表达式,用一个等效随机变量来代替构件抗应力与截面积的乘积,将非线性极限状态方程简化为线性方程,推导了替代公式并有效地消除了当量化过程的误差.通过4个桁架算例的验证表明,该方法显著提高了计算效率,在满足精度要求的同时便于工程应用.
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Source :
北京工业大学学报
ISSN: 0254-0037
Year: 2001
Issue: 1
Volume: 27
Page: 35-38
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 8
Chinese Cited Count:
30 Days PV: 9
Affiliated Colleges: