提出一种处理结构优化应力约束的新近似方法。
A new approximation method for dealing with stress constraints in structural optimization is presented.
提出一种应力约束下的格栅结构的拓扑优化方法。
A method to optimize the topology of grillage structure with stress constraints is presented.
提出一种应力约束下的格栅结构的拓扑优化方法。
The method to optimize topology of grillage structures with stress constraints is studied.
提出一种多工况应力约束下格栅结构的拓扑优化方法。
A method to optimize the topology of grillage structures under multiple load cases with stress constraints is presented.
应力约束下连续体结构拓扑优化。北京工业大学学报。
Topological optimization of the continuum structure with stress constraints. Journal of Beijing University of Technology.
研究了应力约束下最小重量悬臂梁桁架结构的拓扑优化设计。
Topology optimization design of minimum weight cantilever trusses subjected to stress constraints is studied.
除应力约束采用满应力法外，其他各约束都采用均匀导数准则。
Excepting that the full stress design is employed for the stress constraint, the uniform derivative criteria are used for the other constraints.
本文给出了具有多个频率、位移和应力约束的结构最轻重量设计。
This paper presents a minimum weight design method of structures with multi frequency, displacement and stress constraints.
本文处理了具有几何约束、应力约束和位移约束的结构优化设计问题。
Several typical structures with stress, displacement and side constraints have been optimized to illustrate the power of this method.
这种方法能直接求解具有应力约束和几何约束的离散变量结构优化设计问题。
The structural optimum design with discrete variables under stress and section size constraints is performed using this method.
研究裂纹端部三维应力约束、塑性约束和位移约束等对谱载疲劳裂纹扩展的影响。
The objective of this paper is to study the effects of three dimensional constraints on fatigue crack growth under aircraft spectrum loading.
遵循杆件应力约束、几何尺寸约束、刚度约束条件，建立了杆件截面尺寸相互关系式。
Besides, following the constraint of the member geometrical sizes and stiffness, this paper has set up the relationship between member section sizes.
对筏型基础的加强梁分布进行拓扑优化分析，提出一种应力约束下的格栅结构的拓扑优化方法。
A method of topology optimization of grillage structure with stress constraints is presented and applied to analyze the reinforced beam of raft foundation.
基于有限元计算软件ANSYS，结合工程实例，利用参数化设计语言APDL将拱坝等效应力应用于应力约束，进行拱坝体型优化设计。
With the ANSYS software and practical project example, the equivalent finite element stresses is applied in stress restriction for the shape optimization of arch dam by using APDL.
结论为：无论框架的结构和荷载特征如何，在满足应力约束的前提下，只要恰当改变梁或柱的截面尺寸，用复形法即可得到位于位移约束边界上的最优点。
This model is based on a complex shape model and with it the optimal result can be obtained for most light frame structures and the restraining conditions can be satisfied.
研究结果表明：接触应力、上扣扭矩、螺纹啮合时的几何约束，是齿面粘扣的力学要点。
The research result states that the contacting stress, thread torque and thread joggle geometry restriction are mechanical points of the sticky thread.
砌体结构的温度应力不仅与温度有关，还与结构的约束程度、结构的型式、尺寸等因素有关；
Temperature stress in masonry structure is influenced by many factors, such as temperature, restriction degree of the structure, structural patterns and dimension, and etc.
结合边界约束条件对网架温度应力的影响来探讨网架结构边界条件的选型。
Boundary conditions style selection of space grids are discussed based on boundary restraint conditions affecting temperature stress of space grids.
还分析研究了闸门在不同支承约束情况下，构件应力的分配变化规律，提出了相应的改进措施和建议。
The distribution of stress of structures of water gate under conditions of different support restraints is analyzed and some advices are given to improve the design and construction.
研究了具有应力和厚度约束的弹性平面体结构拓扑优化问题。
This paper studied the topology optimization design problem of the plain elastic continuum with stress and thickness constraints.
目的研究指定位移约束对颌骨的应力分布影响。
Objective To study stress distribution in jawbone tissues around dental implant under displacement constraints.
在有些结构中停滞在低应力区的裂纹起着降低约束的作用。
In some structures the cracks arrested in low stress areas served to relieve the restraint condition.
约束有应力、变位、杆件局部稳定、刚度及结构系统稳定。
The stress, displacement, member size, local buckling and system buckling constraints of the structure are taken into account.
混凝土约束改变了有效应力-应变关系：造成强度和临界应变的增加。
Confinement of concrete results in a modification of the effective stress-strain relationship: higher strength and higher critical strains are achieved.
此外，由于梁纵向有非预应力钢筋和预应力钢筋，且拉、压区用钢量不同，所以钢筋约束不同，对梁的挠度影响较大。
Moreover, due to the non prestressed steel and prestressed steel, and the different amount of using steel in pulling and pressing areas, so the restrain of steel is different.
在日本学者提出的约束矩阵法的基础上，提出了用来计算碾压混凝土坝温度应力的广义约束矩阵法。
Based on the constraint matrix method developed by Japanese scholars, a generalized constraint matrix method was proposed for calculation of the temperature stress of RCCDs.
算例中包括了一个三角形机翼受应力、变位和尺寸等约束的最轻重量设计。
Testing problems include a minimum weight design of a triangular wing structure under displacement, stress and size constraints.
采用比例满应力法及序列线性规划方法分别处理强度约束和刚度约束。
The strength constraints and stiffness constraints are treated by proportional full stressed method and sequential linear programming method respectively.
混凝土矩形柱在FRP侧向强约束作用下，极限应力、极限应变的提高系数与FRP的包裹量及截面形状、特征有关。
For rectangular columns sufficiently confined with external FRP, the improvement of ultimate stress and stain is related to the amount of FRP and the shape and characteristics of the cross-section.
混凝土矩形柱在FRP侧向强约束作用下，极限应力、极限应变的提高系数与FRP的包裹量及截面形状、特征有关。
For rectangular columns sufficiently confined with external FRP, the improvement of ultimate stress and stain is related to the amount of FRP and the shape and characteristics of the cross-section.
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