An optimization method for preform die shape in non-isothermal metal forming using plastic finite element method, sensitivity analysis and engineering optimization algorithm is presented.
采用塑性有限元、灵敏度分析和工程优化算法相结合的方法，对非等温成形过程中预锻模具形状进行了优化设计。
An integrated system FSOP2D, including modules for the shape optimal modeling, structural analysis, sensitivity analysis, optimal method library and post - processing, is developed.
研制了包括二维形状优化建模、结构分析、敏度分析、优化方法库、后处理等功能的集成软件系统FSOP2D。
Combining boundary element method (BEM) with the perturbation theory, this paper presents a perturbation method based on BEM for shape design sensitivity analysis of elastic structures.
本文将边界元方法与摄动法相结合，提出了计算结构响应对其形状改变的灵敏度的边界元摄动法。
The analysis indicates that the sensitivity on a unit mass is nearly independent of the shape of the mass block, whereas it is more dependent on the resonance frequency of that block.
分析表明：单位质量灵敏度和质量块的形状关系甚小，而和共振频率的关系较大。
This paper studies 3-d sensitivity analysis in arch dam shape optimization based on FEM with the Improved Semianalytical Method (ISM).
本文针对基于有限元分析的拱坝体形优化，采用改进的半解析法进行三维敏度分析。
This paper studies 3-d sensitivity analysis in arch dam shape optimization based on FEM with the Improved Semianalytical Method (ISM).
本文针对基于有限元分析的拱坝体形优化，采用改进的半解析法进行三维敏度分析。
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