The longitudinal shape and size optimization of the cable-stayed bridge girder is studied and the structural model consists of shell, beam and cable cells.
根据横截面拓扑优化的结果，确定主梁横截面拓扑，建立考虑壳、梁和索单元的斜拉桥形状和尺寸优化设计模型，对斜拉桥主梁进行了纵向的形状和尺寸优化。 目标函数为主梁应变能最小。
参考来源 - 基于应变能准则的斜拉桥结构优化设计研究In the sizing optimization, the stiffened plate in air and finite stiffened double cylindrical shell in water be analyzed.
结构尺寸优化分析了空气中的加肋板结构的声辐射优化问题和在水中的有限长双层加肋圆柱壳结构的声辐射优化问题。
参考来源 - 基于多学科设计优化的潜艇结构In the sizing optimization, we obtained a more rigid structure with weight not changed, and a lighter structure with the same deformation as the origin design by setting different objective functions.
进行尺寸优化设计时,分别进行了以最小变形量和最小重量为目标函数的两次优化设计。
参考来源 - 淀粉餐具生产线关键问题研究·2,447,543篇论文数据，部分数据来源于NoteExpress
最后对无梁板桥的结构尺寸优化作了一下探讨。
At last, the paper approaches to the structural measurement optimization of beam-less slab bridge.
针对桁架拓扑优化问题提出桁架拓扑和尺寸优化的协同演化算法。
A co evolution algorithm used to solve topology and size optimization of trusses is proposed.
与形状优化和尺寸优化相比较，拓扑优化的难度最大，也最具有挑战性。
Compared with shape and size optimization, it is considered as the most difficult and challenging problem.
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