为了解决带预应力的组合结构拓扑优化问题,提出了组合结构优化算法的基本思想。
In order to deal with the problem of combined structural topology optimization, a basic algorithm idea is proposed.
渐进结构拓扑优化(eso)是近年来兴起的一种解决各类结构优化问题的数值方法。
Evolutionary Structural optimization (ESO) is a simple and robust numerical method for optimization problems applicable to various types of structures.
因此,离散变量结构拓扑优化的研究具有重要的理论和实际意义。
Therefore, the research on topology optimization of structures with discrete variables has important theoretic significance and actual significance.
针对多相材料结构的拓扑优化出现的棋盘格问题,研究了周长约束控制方法。
The development of perimeter control of the checkerboard involved in structure topology optimization of multiphase materials is presented.
最后给出了算例证明本文方法求解桁架结构动力拓扑优化问题的有效性。
Finally, an example shows that the proposed method can solve the dynamic topology optimization problem of truss structure effectively.
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.
利用基于有限元法的拓扑优化技术设计车身大骨架的拓扑结构。
The design of the body frame topologic structure is presented, using FEM-based topological optimization technique.
针对某航空望远镜主结构的重量过高的问题,提出了对航空相机望远镜主框架进行拓扑优化设计的方法。
In order to reduce the weight of an aerial telescope main structure, a topologic optimization design method of the aerial telescope main frame was presented.
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.
用ICM方法建立了静位移及频率约束下、重量最小为目标的连续体结构拓扑优化模型。
The topological optimization model of continuum structure that minimizes weight and subjects to static displacement and frequency constraints is established by ICM method.
将相对差商法和混沌优化结合起来,形成求解离散变量桁架结构拓扑优化设计的混合算法。
A hybrid algorithm for topology optimization of trusses with discrete variables is developed which combines relative difference quotient algorithm with chaos optimization.
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.
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.
建立了多工况下具有位移和体系可靠性约束的桁架结构拓扑优化设计数学模型。
The topology optimal model of truss structures with the constraints of displacement and systematic reliability under multiple load cases is constructed.
探讨了拓扑优化设计过程中,基本结构建立、优化过程控制及优化结果分析与应用等问题。
Problems of the establishment of basic structure, control of optimization process and analysis and application of optimized result etc. were discussed during the course of topological optimal design.
从偏微分方程反问题的角度解释了结构拓扑优化中棋盘格式、网格依赖性等数值不稳定现象的本质。
Form the point view of inverse PDE, the essence of numerical instabilities in the topology optimization is given, including checkerboard pattern and mesh-dependence.
本文分别对基于概率的连续体结构的静力拓扑优化和动力特性拓扑优化进行了研究。
In this paper, the research of topology optimization under the static loads and structural dynamic characteristic topological optimization is individually presented.
最后的优化结果表明,该模型连同数值处理技巧可以非常有效地实现微结构的拓扑优化设计。
The final optimal results show that the approach with the numerical technique are very effective in obtaining composite with extremal constitutive properties.
研究了具有随机参数的连续体结构在频率概率约束下的动力特性拓扑优化问题。
Based on frequency probability constraints, the models of topology optimization for a bending thin plate and a plain stress thin plate are constructed.
为了解决机载计算机零件结构设计过程中出现的材料分布不合理及重量要求苛刻等问题,在设计过程中引入拓扑优化。
Topology optimization is used during the design process to solve the problems of weight restriction and material distribution in construct design of air-bomb computer.
提出了连续体结构静力学和动力学多目标拓扑优化设计的模糊-目标规划方法。
A hybrid fuzzy-goal programming scheme for continuum topology optimization with static and dynamic objectives was proposed.
本文讨论了连续体结构拓扑优化的均匀化方法及其相关理论,分别针对静力问题和特征值问题建立了相应的结构拓扑优化模型。
The topology optimization models of the static problem and the eigenvalue problem for the continuums based on the homogenization method are proposed in this paper.
采用拓扑优化和形状优化相结合的集成优化方法,研究了结构优化方法在发动机气缸体轻量化设计中的应用。
An integrated method of topology optimization and shape optimization was presented to study the application of structure optimization to the light-weight design of engine block.
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.
本文应用遗传算法,采用基于“链码”的编码方式和数学形态学的变异算子,设计了一种连续体结构拓扑优化的新方法。
A novel algorithm for topology optimization of continuum structures has been designed on the basis of "chain-code" encoding and mathematical morphologic operators.
结构拓扑优化设计是结构初始方案设计的重要方法。
Topology optimization is considered as a most difficult problem among structural optimization.
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.
结构拓扑优化设计是结构优化设计中近十几年来的热点研究领域。
In recent years the topology optimization for structure has become a widely studying point in structural optimization design domain.
提出了一种基于水平集方法的结构刚度拓扑优化设计方法。
This paper presents a new scheme for stiffness topology optimization using topological description functions also named level set methods.
提出了一种基于水平集方法的结构刚度拓扑优化设计方法。
This paper presents a new scheme for stiffness topology optimization using topological description functions also named level set methods.
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