期刊
FINITE ELEMENTS IN ANALYSIS AND DESIGN
卷 70-71, 期 -, 页码 44-56出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.finel.2013.04.003
关键词
PGD; Reduced model; Uncertainties; Stochastic model updating
In this work we propose to use a reduced model based on the Proper Generalized Decomposition (PGD) method to obtain a quick estimate of the response of a structure whose material parameters are considered to be uncertain. First, we give a detailed description of the construction of this reduced model in a finite element framework. Then, the performance of the proposed method is illustrated through two examples. Finally, we show how this reduced model can be used in an inverse approach in order to estimate the dispersion of the material parameters based on measurements taken from a family of structures. (C) 2013 Elsevier B.V. All rights reserved.
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