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- W3134299670 abstract "In NVH (Noise, Vibration, Harshness) simulations one of the most important parameter is the Damping Loss Factor (DLF). This paper presents a methodology for measuring the DLF of a slightly damped plate in the mid-frequency range (400-1000 Hz) by the Power Injection Method (PIM). The considered case was a steel rectangular flat plate with the size of 650 x 550 x 2 mm, and impact excitation was applied on it. The calculated DLF values were used in Statistical Energy Analysis (SEA) simulation and the results were compared to the experiment. The results showed that the simulation had good agreement with the measurement, the maximum difference was only 1.6 dB.KivonatA vibroakusztikai szimulaciok legfontosabb bemenő parametere a csillapitasi veszteseg tenyező (DLF). Jelen munka egy kis csillapitas ertekkel rendelkező lemez DLF mereset mutatja be a kozepfrekvencia tartomanyban (400-1000 Hz). A teszteset egy 650 x 550 x 2 mm-es acel lemez volt, amin impulzus gerjesztes volt alkalmazva. A csillapitasi ertekek Bevitt Teljesitmeny Modszerrel (Power Injection Method) kerultek meghatarozasra. Az eredmenyek Statisztikai Energia Analizis (SEA) szimulacioban lettek felhasznalva, majd a szimulacio es a meres kerult osszehasonlitasra. A szimulacio jo egyezest mutatott a meressel, a legnagyobb elteres csupan 1,6 dB adodott" @default.
- W3134299670 created "2021-03-15" @default.
- W3134299670 creator A5013059084 @default.
- W3134299670 creator A5064157046 @default.
- W3134299670 date "2020-04-16" @default.
- W3134299670 modified "2023-09-23" @default.
- W3134299670 title "Alacsony csillapítású lemez, csillapítási veszteség tényezőjének a meghatározása Bevitt Teljesítmény Módszerrel: Damping determination for a slightly damped rectangular plate by Power Injection Method" @default.
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- W3134299670 hasPublicationYear "2020" @default.
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