. "26210" . . "6"^^ . . . "Correct determination of individual SEA parameters is necessary to build a reliable SEA model. Especially for subsystems with complex geometry and material may be desirable to use experimental or numerical methods to identify their parameters. In this paper is Finite Element Method (FEM) in combination with Power injection method used for evaluation of coupling loss factor. Methodology is illustrated on example of L-shaped plates. Analysis of confidence intervals of so predicted parameters is also preseented."@en . "Vyu\u017Eit\u00ED metody kone\u010Dn\u00FDch prvk\u016F pro ur\u010Dov\u00E1n\u00ED faktor\u016F ztr\u00E1t vazeb u model\u016F SEA"@cs . "\u0160vancara, Pavel" . "Determination of SEA coupling loss factors using Finite Element Method"@en . "RIV/00216305:26210/02:PU38912" . "2002-06-03+02:00"^^ . "Determination of SEA coupling loss factors using Finite Element Method"@en . . "Hluk a kmitanie v praxi 2002" . . "Vyu\u017Eit\u00ED metody kone\u010Dn\u00FDch prvk\u016F pro ur\u010Dov\u00E1n\u00ED faktor\u016F ztr\u00E1t vazeb u model\u016F SEA" . . . "statistical anergy analysis, finite element method, coupling loss factor, power injection method"@en . "P(GA101/00/0069)" . . "Vyu\u017Eit\u00ED metody kone\u010Dn\u00FDch prvk\u016F pro ur\u010Dov\u00E1n\u00ED faktor\u016F ztr\u00E1t vazeb u model\u016F SEA"@cs . "[96D44A50687C]" . "Slovensk\u00E1 technick\u00E1 univerzita v Bratislave. Vydavate\u013Estvo STU" . . "Ko\u010Dovce" . . "Ko\u010Dovce" . "Vyu\u017Eit\u00ED metody kone\u010Dn\u00FDch prvk\u016F pro ur\u010Dov\u00E1n\u00ED faktor\u016F ztr\u00E1t vazeb u model\u016F SEA" . "Jedn\u00EDm z \u00FA\u010Dinn\u00FDm n\u00E1stroj\u016F redukce hluku a vibrac\u00ED strojn\u00EDch za\u0159\u00EDzen\u00ED je ve v\u0161ech etap\u00E1ch jejich v\u00FDvoje v\u00FDpo\u010Dtov\u00E9 modelov\u00E1n\u00ED. Pro modelov\u00E1n\u00ED hluku a vibrac\u00ED v n\u00EDzkofrekven\u010Dn\u00ED oblasti se dnes pou\u017E\u00EDvaj\u00ED p\u0159ev\u00E1\u017En\u011B deterministick\u00E9 metody -metoda kone\u010Dn\u00FDch prvk\u016F (MKP) a metoda hrani\u010Dn\u00EDch prvk\u016F (MHP). Ob\u011B tyto metody jsou z\u00E1visl\u00E9 na po\u010Dtu prvk\u016F, na n\u011B\u017E rozd\u011Bl\u00EDme \u0159e\u0161enou oblast, s \u010D\u00EDm\u017E souvis\u00ED n\u00E1roky na \u010Das a n\u00E1klady v\u00FDpo\u010Dtu, p\u0159i zvy\u0161uj\u00EDc\u00ED se po\u010D\u00EDtan\u00E9 frekvenci. Tyto metody vykazuj\u00ED tak\u00E9 velkou citlivost na mal\u00E9\u00E9 zm\u011Bny v materi\u00E1lov\u00FDch vlastnostech, geometrii a okrajov\u00FDch podm\u00EDnk\u00E1ch. Pro vysokofrekven\u010Dn\u00ED oblast je proto je vhodn\u00E9 pou\u017E\u00EDt metody statistick\u00E9. Dominantn\u00ED, a lze \u0159\u00EDci, v sou\u010Dasnosti jedin\u00E1 pou\u017Eiteln\u00E1 pro komplexn\u00ED, pr\u016Fmyslov\u011B vyr\u00E1b\u011Bn\u00E1 za\u0159\u00EDzen\u00ED, je statistick\u00E1 energetick\u00E1 anal\u00FDza (SEA). P\u0159i pou\u017Eit\u00ED t\u00E9to metody, je t\u0159eba do v\u00FDpo\u010Dtov\u00E9ho modelu zadat parametry jednotliv\u00FDch subsyst\u00E9m\u016F a vazeb mezi nimi, jako jsou faktory ztr\u00E1t vazeb (FZV), faktory tlumen\u00ED (FT) a mod\u00E1ln\u00ED hustoty. V komer\u010Dn\u00EDch progr" . . "49-54" . . "0"^^ . . "1"^^ . "0"^^ . "1"^^ . . "RIV/00216305:26210/02:PU38912!RIV/2004/GA0/262104/N" . "670026" . . . "80-227-1713-4" .