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Rozvoj a aplikace digitální obrazové korelace
Jandejsek, Ivan
The presented work devotes to the methodology and related software development for Digital Image Correlation (DIC). DIC is used for experimental mechanics studies. It is the non-contact technique (Optical or X-Ray) that provides full-field and high resolution measurement of displacements and strains within an object subjected to loading.
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Ohodnocení chyby objemové rekonstrukce biologických vzorků z konfokálních obrazů
Čapek, Martin ; Janáček, Jiří ; Kubínová, Lucie ; Smrčka, P. ; Hána, K.
We performed both volume reconstructions using images captured by the USB microscope and images captured by the confocal microscope. We manually marked important corresponding structures in both reconstructed data sets, and computed distances between corresponding structures, assuming that structures in the reconstruction from USB microscope data are without deformations. According to our expectations, the main errors of high-resolution volume reconstruction (from confocal data) are in the direction of physical cutting (vary in units of millimeters) and in the direction perpendicular to cutting due to off-cut (vary in tenths of millimeters)
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MKP analýza poranění hlavy během dopravní nehody
Kunecký, Jiří ; Jiroušek, Ondřej
The work is based on the Visible Human Project. Impact acceleration history is taken from MADYMO accident simulation. For the solution LS-DYNA software is used.The paper shows possibility to use detailed finite element model of human head to predict or describe injuries during mechanical loading as in this case of a traffic accident. The possibility of using combination of rigid body modeling of the whole situation together with detailed FE model of the region of interest is highly advantageous. However, the model should be verified in large number of reconstructions.
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Vliv cervikokapitalní endoprotézy na změny napjatosti v kostní tkáni
Kytýř, Daniel ; Micka, Michal
The most common problem that may happen soon after hip hemiarthroplasty surgery is migration of the head of the acetabulumreplacement. In the operation records of the Orthopaedic Clinic of the 3rd Faculty of Medicine of the Charles University in Prague, the implants that migrated in different ways in the course of several months were retrieved and evaluated. There are two dominant directions of the replacement head migration: median migration into pelvis minor or migration in acetabular labrum direction. The aim of this research work is to analyse the migration of the replacement head in pelvic bone under various types of loading and shapes of acetabulum.
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