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机译:A two-dimensional finite element approach to evaluate the sound transmission loss in perforated silencers
Pontificia Univ Catol Parana, Mech Engn Dept, Rua Imaculada Conceicao 1155, BR-80215901 Curitiba, PR, Brazil;
Univ Estado St Catarina, Mech Engn Dept, Rua Paulo Malschitzki 200, BR-89219710 Joinville, SC, Brazil;
Silencer; Perforated duct; Transmission loss; Finite element method; Experimental analyses;