Updating / Improving a Finite Element Model from Measurements

Hi,
I am looking for literature about how to update Finite Element Models
(FEMs) by using results of measurements (e.g. frequency responses)
performed on the previously modelled structure.
I know that one can compare eigenfrequencies, and maybe estimate the
modal damping ratio for those, but is there a systematic approach for
doing this, or is this more a manual operation? Are there specific
methods around? ("model identification", "model update").
It's all about checking the accuracy of a FEM by comparison with
measurements.
Thanks in advance for any helpful tips!
Rainer
Reply to
Willy
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