• BASIC BIOMECHANICAL CHARACTERIZATION OF POLYURETHANE BASED ARTIFICIAL CANCELLOUS STRUCTURES 

      Autor: Šleichrt, Jan; Kytýř, Daniel; Pithartová, Kateřina; Senck, Sascha; Fürst, David; Schrempf, Andreas
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The main goal of this study is to validate elementary mechanical parameters of a newly designed open-cell foam. The purpouse for investigating artificial material is to approach the properties of the human bone in the case ...
    • COMPRESSIVE PROPERTIES OF AUXETIC STRUCTURES WITH CONTROLLED STIFFNESS OF STRUT JOINTS 

      Autor: Doktor, Tomáš; Fíla, Tomáš; Koudelka, Petr; Kytýř, Daniel; Jiroušek, Ondřej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      Presented paper deals with experimental study on compressive properties of auxetics with controlled stiffness of strut joints. The variable strut joints properties were simulated by adding extra amount of material in the ...
    • Computed tomography system with strict real-time synchronization for in-situ 3D analysis of periodically vibrating objects 

      Autor: Rada, Václav; Fíla, Tomáš; Zlámal, Petr; Koudelka, Petr; Šleichrt, Jan; Macháček, Michael; Vavřík, Daniel; Kytýř, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      In the contribution, we present a laboratory system capable of X-ray computed tomography (XCT) scanning of an periodically moving or oscillating object. The system is an in-house developed XCT setup with electromagnetic ...
    • DEFORMATION BEHAVIOUR OF GELLAN GUM BASED ARTIFICIAL BONE STRUCTURES UNDER SIMULATED PHYSIOLOGICAL CONDITIONS 

      Autor: Krčmářová, Nela; Šleichrt, Jan; Fíla, Tomáš; Koudelka, Petr; Kytýř, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The paper deals with investigation of deformation behaviour of gellan gum (GG) based structures prepared for regenerative medicine purposes. Investigated material was synthesized as porous spongy-like scaffold reinforced ...
    • DEFORMATION RESPONSE OF POLYDIMETHYLSILOXANE SUBSTRATES SUBJECTED TO UNIAXIAL QUASI-STATIC LOADING 

      Autor: Vinarský, Vladimír; Martino, Fabiana; Forte, Giancarlo; Šleichrt, Jan; Rada, Václav; Kytýř, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      To investigate cellular response of cardiomyocytes to substrate mechanics, biocompatible material with stiffness in physiological range is needed. PDMS based material is used for construction of microfluidic organ on chip ...
    • Effect of aging on mechanical properties of 3D printed samples using stereolitography 

      Autor: Drechslerová, Veronika; Falta, Jan; Fíla, Tomáš; Dvo˚řák, Radim; Kytýř, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      This paper focuses on stereolithography (an additive manufacturing technology working on the principle of curing liquid resins layer by layer using ultraviolet radiation) and the effect of aging on the mechanical properties ...
    • Effect of the long-term storage methods on the stability of cartilage biomechanical parameters 

      Autor: Žaloudková, Blanka; Sekorová, Šárka; Kopecká, Barbora; Kytýř, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      Long-term stability of the tissue product in terms of mechanical parameters is a key factor for its expiration date. For the investigation of storage effects on the cartilage tissues the experimental mechanical loading ...
    • HIGH STRAIN-RATE COMPRESSIVE TESTING OF FILLING MATERIALS FOR INTER-PENETRATING PHASE COMPOSITES 

      Autor: Doktor, Tomáš; Fíla, Tomáš; Zlámal, Petr; Kytýř, Daniel; Jiroušek, Ondřej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      In this study behavior of the selected types of filling material for the inter-penetrating phase composites was tested in compressive loading mode at low and high strain-rates. Three types of the filling material were ...
    • IDENTIFICATION OF DAMAGED ZONES IN C/PPS SPECIMENS SUBJECTED TO FATIGUE LOADING BASED ON HIGH-RESOLUTION THERMOGRAPHY 

      Autor: Koudelka, Petr; Kytýř, Daniel; Fenclová, Nela; Šperl, Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      In this study high resolution thermography is used for identification of damaged zones in Carbon fiber/polyphenylene sulfide (C/PPS) long fiber composite specimens with induced impact damage subjected to tensile fatigue ...
    • IMPACT TESTING OF ORDNANCE GELATINE UNDER MODERATE STRAIN RATE CONDITIONS 

      Autor: Doktor, Tomáš; Zlámal, Petr; Šleichrt, Jan; Fíla, Tomáš; Kytýř, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      An experimental study on energy absorption capabilities and strain rate sensitivity of ordnance gelatine was performed. Strain energy density under quasi static compression and moderate strain rate impact tests was compared. ...
    • IN-SITU COMPRESSION TEST OF ARTIFICIAL BONE FOAMS IN CONTROLLED ENVIRONMENT USING X-RAY MICRO-COMPUTED TOMOGRAPHY 

      Autor: Glinz, Jonathan; Kytýř, Daniel; Fíla, Tomáš; Šleichrt, Jan; Schrempf, Andreas; Fürst, David; Kastner, Johann; Senck, Sascha
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      In this study, we investigated specimens of artificial bone foams, developed by the research group for surgical simulators at the UAS Linz, which are used to mimic the haptic feedback of physiologic and pathologic bone for ...
    • INFLUENCE OF PRINTING AND LOADING DIRECTION ON MECHANICAL RESPONSE IN 3D PRINTED MODELS OF HUMAN TRABECULAR BONE 

      Autor: Doktor, Tomáš; Kumpová, Ivana; Wroński, Sebastian; Śniechowski, Maciej; Tarasiuk, Jacek; Forte, Giancarlo; Kytýř, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The paper deals with investigation on directional variations of mechanical response in 3D printed models of human trabecular bone. Sample of trabecular bone tissue was resected from human donor and 3D model was obtained ...
    • INSTRUMENTATION OF FOUR-POINT BENDING TEST DURING 4D COMPUTED TOMOGRAPHY 

      Autor: Kytýř, Daniel; Fíla, Tomáš; Koudelka, Petr; Kumpová, Ivana; Vopálenský, Michal; Vavro, Leona; Vavro, Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      High-resolution time-lapse micro-focus X-ray computed tomography is an effective method for investigation of deformation processes on volumetric basis including fracture propagation characteristics of non-homogeneous ...
    • MULTI-CHANNEL CONTROL SYSTEM FOR IN-SITU LABORATORY LOADING DEVICES 

      Autor: Rada, Václav; Fíla, Tomáš; Zlámal, Petr; Kytýř, Daniel; Koudelka, Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      In recent years, open-source applications have replaced proprietary software in many fields. Especially open-source software tools based on Linux operating system have wide range of utilization. In terms of CNC solutions, ...
    • SEMI–AUTOMATED ASSESSMENT OF MICROMECHANICAL PROPERTIES OF THE METAL FOAMS ON THE CELL-WALL LEVEL 

      Autor: Krčmářová, Nela; Šleichrt, Jan; Doktor, Tomáš; Kytýř, Daniel; Jiroušek, Ondřej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      Metal foams are innovative porous material used for wide range of application such as deformation energy or sound absorption, filter material, or microbiological incubation carrier. To predict mechanical properties of the ...
    • Stereolithography for manufacturing of advanced porous solids 

      Autor: Drechslerová, Veronika; Neuhäuserová, Michaela; Falta, Jan; Šleichrt, Jan; Kytýř, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      The aim of this paper is focused on benefits of stereolithography (SLA) technology for the fabrication of the lightweight lattice structures with potential for load-bearing function and high absorption of impact energy. ...
    • UTILIZATION OF IMAGE AND SIGNAL PROCESSING TECHNIQUES FOR ASSESSMENT OF BUILT HERITAGE CONDITION 

      Autor: Koudelka, Petr; Koudelková, Veronika; Doktor, Tomáš; Kumpová, Ivana; Kytýř, Daniel; Valach, Jaroslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Historical buildings represent invaluable heritage from the past and therefore their protection is a very important task. Assessment of their condition must not cause damage accumulation, thus the least possible volume ...