%0 Journal Article %T Impact of threaded openings in composite structures upon sound absorption %A Makarov, V.F. %A Modorsky, V.Y. %A Abzaev, R.S. %A Koynov, I.I. %A Dudarev, A.S. %A Khrolikova, D.N. %K sound absorption, composite, roughness, opening shaping, numerical modeling %J Science intensive technologies in mechanical engineering %D 2019 %N 2019 %P 5 %I Bryansk State Technical University