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FME Transactions
2021, vol. 49, br. 3, str. 740-748
Odnos modalnog prigušenja kod simetričnog laminatnog kompozita pod uticajem pričvršćene mase primenom eksperimentalnog dizajna
Abdelhafid Rahmane
University of Constantine 1, Faculty of Mechanical Engineering, Algeria

e-adresa: rahmanehaf@gmail.com
Ključne reči: laminate composite; fundamental frequency; damping ratio; attached mass; vibration
Sažetak
Laminatni materijali imaju široku primenu u građevinarstvu kao i u vojnoj i avio industriji. Potrebno je istražiti njihova mehanička i fizička svojstva. Rad se bavi problemom uticaja pričvršćene mase na odnos prigušenja ugla simetričnog sloja laminatnog kompozita korišćenjem Taguči metode. Razmatraju se sledeći parametri faktora: lokacija pričvršćene mase od pritegnute ivice, redosled slaganja i granični uslovi. Rezultati pokazuju da je odnos prigušenja laminatnih ploča osetljiv na pričvršćenu masu, pri čemu je proporcionalan lokacijama pričvršćene mase. Utvrđeno je da pričvršćena masa smanjuje frekvenciju a da povećava odnos prigušenja, ako je umetnuta u tački izvan nodalne linije. Postoji dobra korelacija između numeričkih rezultata dobijenih za osnovnu frekvenciju primenom softvera ANSYS u poređenju sa rezultatima dobijenim eksperimentalnim putem.
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O članku

jezik rada: engleski
vrsta rada: neklasifikovan
DOI: 10.5937/fme2103740A
primljen: 15.12.2020.
prihvaćen: 15.04.2021.
objavljen u SCIndeksu: 30.07.2021.
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