Results 11 to 20 of about 5,366 (164)

Updating of Finite Element Models Including Damping [PDF]

open access: yesTransactions of the Korean Society for Noise and Vibration Engineering, 2012
Finite element models are updated in two stages in this paper. In the first stage, damping is neglected, and mass and stiffness matrices of a finite element model are updated using an optimization technique. The objective function for optimization consists of natural frequencies and mode shapes obtained from experimental modal testing data and finite ...
Gun-Myung Lee, Young-Ho Ju, Mun-Soo Park
openaire   +1 more source

The improvement of bolted joints model via finite element model updating method

open access: yesJournal of Mechanical Engineering and Sciences, 2021
Efficient schemes to represent mathematical model of thin-sheet metal structures jointed by bolted joints for accurately predict the structure dynamic behaviour has been a significant unresolved issue in structural dynamics community.
M. A. Yunus   +4 more
doaj   +1 more source

A finite element model updating method based on global optimization [PDF]

open access: yesMechanical Systems and Signal Processing, 2021
62 pages, 16 ...
Girardi M   +3 more
openaire   +4 more sources

Finite Element Model Updating Using FRF Measurements

open access: yesShock and Vibration, 2005
This study presents a new updating method based on measured frequency response functions. The objective function of the minimization procedure is formed by the difference between the measured and the analytical frequency responses.
Farid Asma, Amar Bouazzouni
doaj   +1 more source

Latest Advances in Finite Element Modelling and Model Updating of Cable-Stayed Bridges

open access: yesInfrastructures, 2022
As important links in the transport infrastructure system, cable-stayed bridges are among the most popular candidates for implementing structural health monitoring (SHM) technology.
Thomas Sharry   +4 more
doaj   +1 more source

A two-stage model updating method for the linear parts of structures with local nonlinearities

open access: yesFrontiers in Materials, 2023
Finite element model updating provides an important supplement for finite element modelling. However, some studies have shown that if the tested structure involves local nonlinearities due to damages, material properties and large deformation et al., it ...
Hao Zhang   +9 more
doaj   +1 more source

Finite element model updating of natural fibre reinforced composite structure in structural dynamics

open access: yesMATEC Web of Conferences, 2016
Model updating is a process of making adjustment of certain parameters of finite element model in order to reduce discrepancy between analytical predictions of finite element (FE) and experimental results.
Sani M.S.M.   +4 more
doaj   +1 more source

A Statistical Model Updating Method of Beam Structures with Random Parameters under Static Load

open access: yesApplied Sciences, 2017
This paper presents a new statistical model updating method of beam structures with random parameters under static load. The new updating method considers structural parameters and measurement errors to be random.
Zhifeng Wu   +3 more
doaj   +1 more source

A bayesian optimisation methodology for the inverse derivation of viscoplasticity model constants in high strain-rate simulations

open access: yesDefence Technology, 2022
We present an inverse methodology for deriving viscoplasticity constitutive model parameters for use in explicit finite element simulations of dynamic processes using functional experiments, i.e., those which provide value beyond that of constitutive ...
Shannon Ryan   +4 more
doaj   +1 more source

Experimental Studies on Finite Element Model Updating for a Heated Beam-Like Structure

open access: yesShock and Vibration, 2015
An experimental study was made for the identification procedure of time-varying modal parameters and the finite element model updating technique of a beam-like thermal structure in both steady and unsteady high temperature environments.
Kaipeng Sun, Yonghui Zhao, Haiyan Hu
doaj   +1 more source

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