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。
The method of dynamic internal heat resource is adopted to deal with the latent heat during FEM analysis of 3-d temperature field of plastics thermoforming in this paper.
对塑料板材热成形过程的三维温度场进行有限元分析时采用动态内部热源的方法对潜热进行了处理。
The general elastic modulus of the dam is back analyzed by using the statistic model, hybrid model and the 3-D FEM analysis result.
应用统计模型、混合模型以及三维有限元的计算分析成果，反演了坝体的综合弹性模量；
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