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；
D FEM analysis model is adopted for the stability analysis in construction including hoisting and closing single steel tubular arch rib and service stages respectively.
采用空间杆系计算模型对包括单根钢管拱肋吊装合龙在内的施工和运营阶段进行稳定性分析。
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。
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 analysis model of seismic response and earthquake induced permanent deformation of dam is established with the 3-d nonlinear FEM.
采用三维非线性动力有限元分析方法，建立了坝体的地震反应和地震永久变形的分析模型。
Numerical calculation of fluid-structure acoustic coupling vibration were carried out for a 3-d elastic structure with FEM applied to structure analysis and BEM to fluid respectively.
本文对水下三维弹性结构振动的声辐射问题进行了流体-结构声耦合振动的数值计算。
A 3-d FEM model was built up, which included a non-linear coupled thermal-mechanical analysis accounting for the temperature dependency of the thermal and mechanical properties of the material.
建立了成形过程的三维非线性热力耦合有限元模型，模型中考虑了材料热物性参数和力学性能参数与温度的相关性。
A 3-d FEM model was built up, which included a non-linear coupled thermal-mechanical analysis accounting for the temperature dependency of the thermal and mechanical properties of the material.
建立了成形过程的三维非线性热力耦合有限元模型，模型中考虑了材料热物性参数和力学性能参数与温度的相关性。
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