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Process for computing geometric perturbations for probabilistic analysis

机译:计算几何扰动以进行概率分析的过程

摘要

A method for computing geometric perturbations for probabilistic analysis. The probabilistic analysis is based on finite element modeling, in which uncertainties in the modeled system are represented by changes in the nominal geometry of the model, referred to as “perturbations”. These changes are accomplished using displacement vectors, which are computed for each node of a region of interest and are based on mean-value coordinate calculations.
机译:一种计算几何扰动以进行概率分析的方法。概率分析基于有限元建模,其中建模系统中的不确定性由模型名义几何形状的变化表示,称为“扰动”。这些变化是使用位移矢量实现的,位移矢量是针对感兴趣区域的每个节点计算的,并且基于平均值坐标计算。

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