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- W2369692579 abstract "A new method for updating FE analytical model is put forward in this paper. In this method,the result data from experimental test and modal parametric identification are used as reference base to refine the analytical model.The optimal approximation is defined as the refinement of FE model with minimum mass matrix change to make the spectrum point of updated model approach to the one coming from the incomplete experimental mode.The optimum matrix approach theory introduced in this method is testified to have the ability keeping the misshapen mode away,which often come up in other incomplete mode updating methods.As another key barrier in practical updating process,the experiment errors are taken into account by making use of Baysian estimation principle.An example of cantilever shows the physical characteristics of this method and the clearness of computation.This method needs no iteration." @default.
- W2369692579 created "2016-06-24" @default.
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- W2369692579 date "2000-01-01" @default.
- W2369692579 modified "2023-09-23" @default.
- W2369692579 title "RESEARCH OF A MODEL UPDATING METHOD BASED ON MATRIX APPROXIMATION THEORY" @default.
- W2369692579 hasPublicationYear "2000" @default.
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