Taking the minimum initial-strain of the structure as the objective function of the optimal prestress design and the minimum light of the structure as the.
以初始应变能最小为预应力优化目标和重量最轻为截面优化目标进行了优化设计，获得了合理的初始预应力分布和截面大小。
This paper deals with optimal design of a vehicle frame. The unevenness of the dynamic stresses in vehicle frame is taken as objective function and the size of cross -section as design variable.
本文以表征汽车车架动应力不均匀度为目标函数，以截面尺寸的大小为设计变量，对车架进行了优化设计。
Sensitivities of an objective function with respect to design variables are evaluated using the complex-variable method in the present paper, which are used in the process of optimal design.
应用复变量方法计算目标函数关于设计变量的灵敏度，以此进行优化设计。
Orthogonal array is used to row design parameter. On the objective function using F-test, the optimal parameters of the system and suitable tolerances are determined.
用正交表排列设计参数，用F检验确定系统的最优设计参数和恰当的容差。
The feasible direction method and the complex method are used in the optimal design of dam section, with the same design variables and the objective function. They led to the same result.
大坝断面优化采用可行方向法和复合形法，在设计变量、目标函数相同的条件下，二种方法取得了几乎完全一致的结果。
The many stage helical gear train system optimal design which takes the dynamic properties as an objective function is presented.
提出了提高多级斜齿圆柱齿轮传动系统动态性能优化设计方法。
The many stage helical gear train system optimal design which takes the dynamic properties as an objective function is presented.
提出了提高多级斜齿圆柱齿轮传动系统动态性能优化设计方法。
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