Evaluating the Impact of Sample Irregularities on the Dynamic Stiffness of Polyurethane: Insights from Experimental and FEM Analysis

This study investigates the dynamic stiffness and damping characteristics of three polyurethane materials-PM, PS, and PST-using a comprehensive vibroacoustic testing approach. The aim is to examine material parameters such as dynamic stiffness, Young's modulus, critical damping factor, and the...

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Veröffentlicht in:	Materials 2024-12, Vol.17 (23), p.5910
Hauptverfasser:	Nering, Krzysztof, Kwiecień, Arkadiusz, Nering, Konrad
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic insulation Analysis Damping Evaluation Finite element method Impact analysis Insulation Irregularities Modelling Multiple dwellings Noise control Polyurethane resins Polyurethanes Spectrum analysis Stiffness Storage modulus Vibration Vibration analysis Vibration control Vibration measurement
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