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FINITE ELEMENT MODELLING OF IMPEDANCE TUBE TEST

Roumen IankovInstitute of mechanics, Bulgarian Academy of SciencesMomir PraščevićUniversity of Nis, Faculty of Occupational Safety in NisMilan RashevskiInstitute of mechanics, Bulgarian Academy of SciencesNodira АbedTashkent State Technical University

Facta Universitatis Series Working and Living Environmental Protectionjournal2025en

ABI

Annotatsiya

Impedance tubes are used to characterize porous acoustic materials. The report proposes a suitable model for numerical simulations of the test of materials in an impedance tube. Numerical simulations make it possible to generate synthetic data on the acoustic characteristics of the material when varying the parameters in the material model. These data are suitable for using machine learning algorithms as well as for solving inverse problems for identifying the material parameters in the mathematical model. The Johnson-Champoux-Allard model is used in the work, which is suitable for a wide class of porous acoustic materials.

Mavzular

Mechanical and Thermal Properties Analysis Electromagnetic Launch and Propulsion Technology Hydraulic and Pneumatic Systems

Identifikatorlar

DOI: 10.22190/fuwlep241002022i

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