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Computational Acoustics<img alt="" src="http://webtest.cira.it/PublishingImages/ACCO-fig_acco_1.jpg" style="BORDER:0px solid;" />https://www.cira.it/en/competences/environmental-impact-of-air-transport/__subnav/acustica-computazionale/Computational AcousticsComputational Acoustics<div><h3>Mission</h3><p style="text-align:justify;">The mission of the laboratory is to develop and acquire competences in the field of aero-acoustics and vibro-acoustics.  More specifically, the laboratory deals with the development of numerical approaches for noise generation and radiation by aerodynamic fields, mechanical vibrations and fluid structure-interactions, in order to reduce the acoustic impact of aeronautical and space vehicles, driving the low-noise technologies development.</p><p style="text-align:justify;"> </p><h3>Purpose</h3><p>Research activities, developed within national and international frameworks as CleanSky and Horizon 2020 Programs and within collaborative research projects (GARTEUR) are devoted to :</p><ul><li><p>Reducing the aerodynamic noise generated by turbo-jet and turbo-propeller engines;</p></li><li><p>Reducing the aerodynamic noise generated by Landing Gear and Airframe;</p></li><li><p>Reducing the dynamic and vibro-acoustic response of aeronautic and aerospace structures;</p></li><li><p>Optimizing fluid-structure interaction for vibro-acoustic loads reduction;</p></li><li><p>Developing technologies for aerodynamic noise and vibro-acoustic response reduction.</p></li></ul><p>The laboratory cooperates with Universities, Research Centers and national and international Industrial partners, participating to research projects, hosting stageurs, disseminating the know-how and being involved in international organizations like  IFAR, GARTEUR, ATAG e CEAS.</p><p> </p><h3>Research Topics</h3><p style="text-align:justify;">Main research areas of the laboratory include the numerical characterization of aircraft noise sources, the analysis of acoustic propagation phenomena to the ground, and the vibrational acoustics with application to aeronautics with fixed and rotary-wing vehicles and space.</p><p style="text-align:justify;">The laboratory owns several aero and vibro-acoustic software tools, both commercial and developed in-house, for the analysis of noise sources generated by structural fields (FEM) and fluid dynamics (CFD-RANS), such as for noise propagation (semi-analytical and numerical tools FW-H, BEM and FEM).</p><p style="text-align:justify;">The laboratory uses one of the IATA unit experimental infrastructure, called ACAM (acoustic environment and air quality monitoring), which is equipped with the most modern equipment for diagnostics in the field of noise and pollutant emissions.</p><p>Part of the laboratory activities are devoted to the acoustic impact evaluation needed for the design and construction of future space propulsion test facilities at CIRA.</p></div><div><br></div>

 Activities