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Stochastic inversion and prediction applied to concrete overlay systems

机译:随机反演和预测应用于混凝土覆盖系统

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摘要

A model for a concrete overlay structure using two beams with interface stiffnesses as unknown parameter is used to examine the inverse problem formulation. Using deformation and frequency data, probability density functions (p.d.f.'s) are constructed over a sample space consisting of interfacial stiffness coefficients. Estimators of interfacial parameters can be obtained as maximizers of these p.d.f.'s. Furthermore, the p.d.f.'s are used to assess likely performance under loading. Finally, a comparison is made to compare the information content for different finite element refinements when using deformation and frequency data to construct p.d.f.'s. (C) 2002 Elsevier Science Inc. All rights reserved. [References: 7]
机译:使用两根界面刚度为未知参数的梁的混凝土覆盖结构模型,用于研究反问题的表述。利用变形和频率数据,在由界面刚度系数组成的样本空间上构造概率密度函数(p.d.f.)。界面参数的估计值可以作为这些p.d.f.的最大化子获得。此外,使用p.d.f.来评估负载下可能的性能。最后,当使用变形和频率数据构造p.d.f.时,进行比较以比较不同有限元精炼的信息内容。 (C)2002 Elsevier Science Inc.保留所有权利。 [参考:7]

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