"Modelov\u00E1n\u00ED \u0161\u00ED\u0159en\u00ED akustick\u00FDch vln v siln\u011B heterogenn\u00EDch prost\u0159ed\u00EDch; v\u00EDce\u0161k\u00E1lov\u00E9 numerick\u00E9 a analytick\u00E9 p\u0159\u00EDstupy" . "1"^^ . "The project deals with modelling of wave propagation in heterogeneous media comprising at least two material components with very different properties, like phononic-elastic and piezoelectric materials, or porous fluid-saturated media. Besides describing behaviour of such media with given properties of individual components and periodic structures, the project is also aimed at optimal setting of such microstructural parameters which provide a desired quality of the wave propagation. By combining the homogenization method, two-scale numerical modelling, analytical approaches and shape, or topology optimization the computational models will be developed for analyzing and tuning wave phenomena in the given media. As an indispensable project ingredient, effective numerical methods based on isogeometric analysis will be proposed. For applications in designing metamaterials and acoustic devices, the wave phenomena in plates and shells involving the phononic elements will be studied."@en . . . . . . "2014-05-16+02:00"^^ . "Projekt se zab\u00FDv\u00E1 modelov\u00E1n\u00EDm \u0161\u00ED\u0159en\u00ED vln v heterogenn\u00EDch prost\u0159ed\u00EDch obsahuj\u00EDc\u00EDch alespo\u0148 dv\u011B materi\u00E1lov\u00E9 komponenty s velmi odli\u0161n\u00FDmi vlastnostmi, jako jsou phononick\u00E9 elastick\u00E9 a piezoelektrick\u00E9 materi\u00E1ly nebo por\u00E9zn\u00ED elastick\u00E9 materi\u00E1ly nasycen\u00E9 tekutinou. Krom\u011B popisu chov\u00E1n\u00ED takov\u00FDch prost\u0159ed\u00ED s dan\u00FDmi vlastnostmi jednotliv\u00FDch komponent a periodickou strukturou je projekt zam\u011B\u0159en i na hled\u00E1n\u00ED parametr\u016F mikrostruktury, kter\u00E9 zaji\u0161\u0165uj\u00ED po\u017Eadovan\u00E9 vlastnosti kontinua z hlediska \u0161\u00ED\u0159en\u00ED vln. Vhodnou kombinac\u00ED metody homogenizace, dvou\u0161k\u00E1lov\u00E9ho numerick\u00E9ho modelov\u00E1n\u00ED, analytick\u00FDch metod i tvarov\u00E9 a topologick\u00E9 optimalizace budou z\u00EDsk\u00E1v\u00E1ny v\u00FDpo\u010Detn\u00ED modely pro sledov\u00E1n\u00ED a c\u00EDlenou modifikaci vlnov\u00FDch disperzn\u00EDch jev\u016F v dan\u00FDch typech materi\u00E1l\u016F. Ned\u00EDlnou sou\u010D\u00E1st\u00ED projektu je i v\u00FDvoj a implementace efektivn\u00EDch numerick\u00FDch metod zalo\u017Een\u00FDch na isogeometrick\u00E9 anal\u00FDze. S ohledem na mo\u017En\u00FD p\u0159\u00EDnos v oblasti v\u00FDvoje metamateri\u00E1l\u016F a akustick\u00FDch za\u0159\u00EDzen\u00ED bude v\u011Bnov\u00E1na pozornost vlnov\u00FDm jev\u016Fm v heterogenn\u00EDch desk\u00E1ch a sko\u0159epin\u00E1ch s phononick\u00FDmi prvky a jejich vyu\u017Eit\u00ED ve vibroakustice." . . "wave propagation homogenization vibroacoustics phononic materials isogeometric analysis numerical methods"@en . . . . . "2015-04-23+02:00"^^ . . "2012-01-01+01:00"^^ . . "2016-12-31+01:00"^^ . "55"^^ . . "55"^^ . "Modelling of acoustic wave propagation in strongly heterogeneous media; multi-scale numerical and analytical approaches"@en . . "GAP101/12/2315" . "0"^^ . . . "http://www.isvav.cz/projectDetail.do?rowId=GAP101/12/2315"^^ . "1"^^ . . .