| Issue |
MATEC Web Conf.
Volume 112, 2017
21st Innovative Manufacturing Engineering & Energy International Conference – IManE&E 2017
|
|
|---|---|---|
| Article Number | 03015 | |
| Number of page(s) | 6 | |
| Section | Non-Conventional Technologies in Manufacture and Industry, Welding Technologies | |
| DOI | https://doi.org/10.1051/matecconf/201711203015 | |
| Published online | 03 July 2017 | |
Integrity evaluation concerning vibrations of a welded structure
1 Universitatea “Eftimie Murgu” din Resita, P-ta Taian Vuia 1-4, 320085 Resita, Romania
2 Windkraft Simonsfeld RO S.R.L., Str. Sportului B 26, 320110 Resita, Romania
3 S.C. UCM Reşiţa S.A., Str. Golului Nr. 1, 320053 Resita, Romania, Romania
* Corresponding author: gr.gillich@uem.ro
In this paper, a predictive model that describes the structural behavior in the absence and presence of damage, and anticipates the modal parameter changes, is introduced for weld structures. Degradation of engineering structures in the welds or HAZ due to damage affects their safety by reducing the stiffeners of structural components. In this paper was considered the kinetic energy distribution which reflects the mass participation, and the modal strain energy distribution which take into consideration the stiffeners reduction. The relation is successfully proved against FEM simulation results.
© The Authors, published by EDP Sciences, 2017
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