The modal frequencies, model shapes or their derivatives are generally used as the characteristic quantities of objective function for finite element (FEM) updating. However, measurement accuracy is low due to few numbers points actual structures, which results in a large correction error. antiresonant frequency reflects local information structure more accurately than mode shapes, good complem...

This paper presents an application of a two-step finite element model updating methodology to a 3D truss bridge model, with the inertial moment and elastic modulus as variables. First, the sensitivity of the change in modal parameters to variations in the physical parameters were analyzed. Based on these sensitivity analyses, the parameters that can be updated were determined. Next, the optimiz...

The recent seismic activity in Croatia has inflicted significant damage upon numerous buildings, with masonry structures being particularly affected. Consequently, experimental investigations and structural condition assessments’ have garnered increased attention, as they become integral to the renovation process for such buildings. Additionally, assessing prior events is vital determining exte...