Optimal design of runner system in injection molding 增强梁结构形状控制的机理研究
A selfequilibrating stress system must be found . force density method is deve1oped for form finding 本文推导了用力密度法进行索膜结构形状确定的理论公式。
Therefore , the difficulties can be solved by applying the two - phase control method 因此,使用二级控制理论可以有效的解决二维连续体结构形状优化的主要困难。
In order to solve this problem , apply the concept of reliability design to shape optimization for structure 为解决这个问题,将可靠性设计的概念引入结构形状优化中。
By using the design unit and keypoint , a change of structural shape can be controlled and described precisely 通过设计单元和关键点,准确地描述和控制结构形状的变化。
Good impedance imaging reconstruction can be gotten for models with various shapes and differential conductivity 对不同结构形状、不同导电性能的模型进行实验,均可获得较好的阻抗图像重构效果。
A cut is usually used to illustrate the shape of a cutting plane of an object or the holes and grooves in the solid shaft 断面一般用于表达机件某一部分的切断的表面的形状,或轴及实心杆上孔、槽等的结构形状。
Shape optimization of structure based on the definite finite element had not considered the design variable ' s randomness ; it cannot re - fleet the real condition of structure 摘要基于确定性有限元分析的结构形状优化没有考虑设计变量的随机性,不能够反映结构的真实状况。
For shape optimization of truss structure , the design variables are separated into two kinds of bar sectional size and nodal position by multilevel decomposition optimization method 对于桁架结构形状优化,应用层次分解优化方法,将设计变量分成杆件截面积和节点位置两类变量。
It can be widely used in nucleus domain , architecture domain and so on . by ansys software , the fourth part of this paper analyzed the static characters of the cable dome 所设计的游泳馆结构方案的受力性能如何,索穹顶的结构形状和预应力状态与结构的受力性能有何关系,本文第四章回答了这个问题。