Browsing by Author "Kállai, Imre"
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COMPARISON OF VIRTUAL FIELDS METHOD, PARALLEL NETWORK MATERIAL MODEL AND FINITE ELEMENT UPDATING FOR MATERIAL PARAMETER DETERMINATION
Author: Dirisamer, Florian; Çakmak, Umut D.; Kállai, Imre; Machado, Martín; Major, Zoltán
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)Extracting material parameters from test specimens is very intensive in terms of cost and time, especially for viscoelastic material models, where the parameters are dependent of time (frequency), temperature and environmental ... -
NUMERICAL PREDICTIONS AND MECHANICAL TESTING OF BRAIDED COMPOSITE STRUCTURES UTILISING DIGITAL IMAGE CORRELATION
Author: Pitz, Emil; Miron, Matei-Constantin; Kállai, Imre; Major, Zoltán
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)The current paper is describing the implementation of a multiscale numerical model for prediction of stiffness and strength in braided composites. The model is validated by experimental testing of single-layer braided tubes ...