Effects of model uncertainty in nonlinear structural finite element model updating by numerical simulation of building structures

• Published in: Structural control and health monitoring Vol. 26; no. 3; pp. e2297 - n/a
• Main Authors: Astroza, Rodrigo, Alessandri, Andrés
• Format: Journal Article
• Language: English
• Published: Pavia Wiley Subscription Services, Inc 01.03.2019
• Subjects: Aseismic buildings; Building codes; Building design; Computer simulation; Concrete; Concrete construction; Damage detection; damage identification; Data processing; Earthquake damage; Earthquakes; Economic models; Estimating techniques; Excitation; Finite element method; finite element model updating; Iron; Kalman filters; Mathematical models; model uncertainty; Model updating; Noise measurement; nonlinear finite element model; Parameter estimation; Parameter uncertainty; Reinforced concrete; Reinforcing steels; Seismic activity; Seismic engineering; Seismic response; Steel; Steel structures; unscented Kalman filter

Summary Uncertainties in finite element (FE) model updating arise from two main sources: measurement noise and modeling errors. The latter includes model parameter uncertainty and model uncertainty itself. Among these sources of uncertainty, model uncertainty has been proven to be the most influenti...