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1)  sectional optimization
截面优化
1.
The optimality criteria(OC) method and mathematical programming(MP) were combined to found the sectional optimization model of frame structures.
将准则法和数学规划相结合,对于不同的约束采用不同的处理方法:应力约束作为局部性约束,用0阶近似进行处理,借助满应力准则将其转化为动态尺寸下限;位移约束作为全局性约束,根据单位虚载荷法将其显式化,从而建立了满足应力和位移约束的框架结构截面优化的显式模型。
2.
The sectional optimization of truss is achieved, satisfying size, stress and local stability constraints.
基于满应力设计思想,考虑桁架杆件在压力作用下的局部稳定约束,采用相似变换的方法,找出了惯性矩I与截面面积A的关系,根据压杆的临界应力分别导出大、中、小柔度的迭代公式,设计出压杆的截面积,解决了同时满足应力约束和局部稳定约束的桁架结构截面优化问题。
3.
Based on MSC/NASTRAN software, this paper uses the PATRAN/PCL (PATRAN Command Language) to secondly develop a new software of optimum design module for sectional optimization of truss structures.
本文利用MSC/PATRAN提供的PCL语言,针对桁架结构的截面优化对MSC/NASTRAN优化模块进行了二次开发。
2)  section optimization
截面优化
1.
The basic course of theory of optimized design of structure from section optimization to shape optimization and topology optimization and related characteristics were described,all kinds of algorithms selected for design optimization were classified and their application scope and relevant advantages and disadvantages were also given briefly.
阐述了工程结构优化设计理论从最初的截面优化发展到形状优化、拓扑优化的基本历程及其相关特点,对优化设计选用的各种算法进行归类,简要叙述了它们的应用范围及相应的优缺点。
2.
This paper presents the object-oriented program architecture for optimal design of tensegrity cable domes, which can be adopted in pre-press optimization, section optimization, and shape optimization.
该优化设计程序可以对张拉整体索穹顶结构进行预应力优化、截面优化和形状优化设计。
3.
The proposed algorithm could be applied to section optimization of large and medium reticulated domes withseveral optimum variables,and could ensure the quality of the results.
该算法可以应用于优化变量繁多的大中型网壳结构截面优化问题,优化效果明显。
3)  sectional area optimization
截面积优化
4)  section optimization design
截面优化设计
5)  optimization of section of purlin
檩条截面优化
6)  section parameters optimization
截面参数优化
补充资料:Cu/NbTi加工锭截面


Cu/NbTi加工锭截面


Cu/NbTi加工锭截面
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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