. "2009-04-22+02:00"^^ . . . . "1"^^ . . "1"^^ . . "fracture parameters; numerical modelling; inverse analysis; advanced building materials"@en . . "2015-01-22+01:00"^^ . "0"^^ . . "."@en . . . . . "fracture parameters" . "GA103/07/1276" . " numerical modelling" . . . . "44"^^ . "2009-12-31+01:00"^^ . "44"^^ . "\u0158e\u0161en\u00ED projektu prob\u00EDhalo velmi dob\u0159e, zejm\u00E9na v jeho po\u010D\u00E1te\u010Dn\u00ED a z\u00E1v\u011Bre\u010Dn\u00E9 f\u00E1zi. P\u0159es jist\u00E9 probl\u00E9my v pr\u016Fb\u011Bhu st\u0159edn\u00ED \u010D\u00E1sti \u0159e\u0161en\u00ED projektu, kter\u00E9 jsou zmi\u0148ov\u00E1ny v hodnocen\u00ED d\u00EDl\u010D\u00ED zpr\u00E1vy projektu za rok 2008, lze konstatovat, \u017Ee etapov\u00E9 c\u00EDle projektu by"@cs . "Complex modelling of fracture of advanced building materials"@en . " inverse analysis" . "http://www.isvav.cz/projectDetail.do?rowId=GA103/07/1276"^^ . . "Appropriate structural design is conditioned by the ability of prediction of real structural response. This aim can be obtained by robust computational tools with implementation of proper failure models. In case of advanced building materials, these models are based on non-linear fracture mechanics. The efficient and reliable application of the models depends on successful tuning of corresponding material parameters. Although experimental techniques for determination of these characteristics are principally simple, the direct use of them in the material model is usually impossible due to specimen geometry influence and size effect. The problem of determination of material model parameters can be overcome by sophisticated methods of inverse analysis based on load-displacement curves of performed tests. However for common user of relevant computational systems the routine utilization of this procedure is demanding and time consuming, which complicates the effective design of structure. The"@en . "Komplexn\u00ED modelov\u00E1n\u00ED lomu pokro\u010Dil\u00FDch stavebn\u00EDch materi\u00E1l\u016F" . "2007-01-01+01:00"^^ . . "Adekv\u00E1tn\u00ED n\u00E1vrh konstrukce je podm\u00EDn\u011Bn schopnost\u00ED predikovat re\u00E1lnou konstruk\u010Dn\u00ED odezvu. Tohoto c\u00EDle lze dos\u00E1hnout s\u00A0pomoc\u00ED robustn\u00EDch v\u00FDpo\u010Detn\u00EDch n\u00E1stroj\u016F integruj\u00EDc\u00EDch vhodn\u00E9 modely poru\u0161en\u00ED. Pro pokro\u010Dil\u00E9 stavebn\u00ED materi\u00E1ly jsou to modely vych\u00E1zej\u00EDc\u00ED z\u00A0teorie neline\u00E1rn\u00ED lomov\u00E9 mechaniky. \u00DAsp\u011B\u0161nost a spolehlivost aplikace t\u011Bchto model\u016F z\u00E1vis\u00ED na jejich nalad\u011Bn\u00ED odpov\u00EDdaj\u00EDc\u00EDmi materi\u00E1lov\u00FDmi parametry. P\u0159esto\u017Ee principy experiment\u00E1ln\u00EDho ur\u010Dov\u00E1n\u00ED parametr\u016F jsou relativn\u011B jednoduch\u00E9, p\u0159\u00EDm\u00E9 pou\u017Eit\u00ED zji\u0161\u0165ovan\u00FDch charakteristik b\u00FDv\u00E1 znemo\u017En\u011Bno jejich z\u00E1vislost\u00ED na geometrii a velikosti zku\u0161ebn\u00EDho t\u011Blesa. Probl\u00E9m kalibrace parametr\u016F materi\u00E1lov\u00FDch model\u016F lze p\u0159ekonat u\u017Eit\u00EDm sofistikovan\u00FDch postup\u016F inverzn\u00ED anal\u00FDzy na z\u00E1klad\u011B zat\u011B\u017Eovac\u00EDch k\u0159ivek proveden\u00FDch test\u016F. Pro b\u011B\u017En\u00E9 u\u017Eivatele relevantn\u00EDch v\u00FDpo\u010Detn\u00EDch syst\u00E9m\u016F je rutinn\u00ED pou\u017Eit\u00ED tohoto postupu n\u00E1ro\u010Dn\u00E9 a/nebo zdlouhav\u00E9 a znemo\u017E\u0148uje tak efektivn\u00ED n\u00E1vrh konstrukc\u00ED. Navrhovan\u00FD projekt se zam\u011B\u0159uje na vytvo\u0159en\u00ED \u00FA\u010Dinn\u00E9 metodiky pro kalibraci" . .