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Št. zadetkov: 6
Numerical and experimental analyses of the delamination of cross-ply laminates
Robert Zemčík, Vladislav Laš
Izvirni znanstveni članek
Oznake: kompoziti;laminati;plošče;delaminacije;žilavost;
Leto: 2008 Vir: dLib.si Digitalna knjižnica Slovenije
Numerical simulation of the progressive damage to FRC panels due to shock loading
Robert Zemčík, Vladislav Laš
Izvirni znanstveni članek
Oznake: FEA;FRC;damage;shock;PFA;
This work focuses on the numerical simulation of failure of composite structures. In the previous study we have developed a computational model for the prediction of the critical state of a structure made of fiber-reinforced composite (FRC) panels and capable of quasi-static simulation of the subseq ...
Leto: 2005 Vir: dLib.si Digitalna knjižnica Slovenije
Identification of the material parameters of a unidirectional fiber composite using a micromodel
Hana Srbová, Tomáš Kroupa, Robert Zemčík
Izvirni znanstveni članek
Oznake: unidirectional fiber composite;non-linear behavior;optimization;identification;matrix work-hardening function;representative volume element;unit cell;micromodel;
The paper is focused on the identification of material parameters of the substituents of an unidirectional carbon-epoxy long-fiber-reinforced composite. Simple tensile tests using thin coupons with various fiber orientations were performed and force-displacement diagrams were obtained. A model of a ...
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
Linear two-scale model for determining the mechanical properties of a textile composite material
Tomáš Kroupa, Petr Janda, Robert Zemčík
Izvirni znanstveni članek
Oznake: mechanical properties;composite;textile;fibers;carbon;aramid;epoxy;tensile;finite-element analysis;
The engineering mechanical constants for a description of mechanical macro-scale models of carbon and aramid textile composite materials are calculated using finite-element analyses. Two sub-scale models of representative volumes are used. The micro-scale model represents a periodically repeated vol ...
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
Identification and verification of the composite material parameters for the Ladevèze damage model
Václav Kleisner, Robert Zemčík, Tomáš Kroupa
Izvirni znanstveni članek
Oznake: kompozit;identifikacija;ogljikova vlakna;epoksidi;plastičnost;preizkusi;končna elementna analiza;
Identification and verification of the composite material parameters for the Ladeveze damage model
Leto: 2011 Vir: dLib.si Digitalna knjižnica Slovenije
Improvement of the damping properties of carbon-fibre-reinforced laminated plastics using damping layers
Radek Kottner, Josef Vacík, Robert Zemčík
Izvirni znanstveni članek
Oznake: hybrid;composite;carbon-fibre-reinforced plastic;rubber;damping;
A suitable hybrid composite consisting of carbon-fibre-reinforced plastic and damping layers was investigated in terms of damping and natural frequencies using experiments and numerical simulations. The frequency response and the transient response of cantilever beams were analysed. The damping laye ...
Leto: 2013 Vir: dLib.si Digitalna knjižnica Slovenije
Št. zadetkov: 6
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