Finite element updating

View Full-Text This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited . Chicago/Turabian Style Wu, Bitao; Lu, Huaxi; Chen, Bo; Gao, Zhicheng. We use cookies to make interactions with our website easy and meaningful, to better understand the use of our services, and to tailor advertising.We use cookies to offer you a better experience, personalize content, tailor advertising, provide social media features, and better understand the use of our services.

Herein, its effectiveness is validated through the fatigue assessment of a lively footbridge considering two different numerical models: (i) a preliminary finite element (FE) model and (ii) an updated version of the preliminary model based on the modal parameters of the footbridge identified experimentally.

Finally, a comparison is performed between the fatigue damage of some cables of the footbridge considering the two mentioned FE models.

The safe life method was used to assess such damage.

The relationship between the macro-strain and local element stiffness was studied first.

It is revealed that the macro-strain is inversely proportional to the local stiffness covered by the long-gauge strain sensor.

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