Multipoint spectral isolation method in dynamic behaviour evaluation of the nonlinear mechanical systems

Authors:
Silviu Nastac;Carmen Debeleac
Affiliations:
Research Center for Mechanics of the Machines and Technological Equipments, University "Dunarea de Jos" of Galati, Braila, Romania;Research Center for Mechanics of the Machines and Technological Equipments, University "Dunarea de Jos" of Galati, Braila, Romania
Venue:
ICS'08 Proceedings of the 12th WSEAS international conference on Systems
Year:
2008

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Abstract

The aim of this study was the identification of the linkage between the vibratory intensive pollutant industrial sources and the vibration level at these industrial site proximities. This analysis acquire high significance when at the side of the site there are the civil constructions, with preponderant human activities, or habitable areas. Based on the virtual instrumentation developed in LabVIEW™ graphical programming package, and using the multipoint spectral isolation method, the authors succeeds to put into the evidence the influences or the absence of these, regarding the vibration sources and their effects on the potential sensitive destinations. Nonlinearities are present both on the source site - through the vibration generator equipments and their isolation systems, and along the propagation way to receivers - through the nonlinear behaviour of the terrain. The instrumental tests was performed at the ASTRA Arad Romania Factory, on the forges sector.