Disertační práce / Dissertations (KME) Collection home page

Browse
Subscribe to this collection to receive daily e-mail notification of new additions RSS Feed RSS Feed RSS Feed
Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 24
Klečková, Jitka
Modelování aeroelastických jevů se zaměřením na predikci flutteru turbínových lopatek

Thesis is devoted to a field of aeroelasticity phenomena, which appears due to interaction of fluid and structure. This work is especially aimed at methods of mathematical modelling of aeroelasticity phenomena in steam turbines, where one of the best known is a flutter of turbine b...

Bulín, Radek
Pokročilé výpočtové metody pro vyšetřování dynamiky vázaných mechanických systémů s lany a poddajnými nosníky

This dissertation thesis is dedicated to the modelling of multibody systems that include flexible thin bodies such as beams, ropes, cables and fibers. In this work, the basic methods for cable modelling are summarized and then the complex methodology for the dynamical analysis of&#...

Smolík, Luboš
Modelování kmitání a dynamická analýza rotorů turbodmychadel

This dissertation thesis deals with methods for computational modelling and testing of lateral vibrations of turbocharger rotors supported in journal bearings with fully floating rings. Furthermore, design for an effective radial journal bearing is proposed. Parameters of an investigated turbocharger&...

Bek, Lukáš
Pokročilé spoje kompozitních komponent

The work is focused on a behaviour investigation of a riveted joint using composite components and a blind rivet. The work describes a design and an implementation of a material model into the commercially used software Abaqus. The most important model characteristics are the ...

Kesl, Petr
Posuzování spolehlivosti konstrukcí simulační technikou

Recently, a changeover from the applicable national standards for designing of building structures to uniform standards eurocodes. Naturally, this change applies also to steel structures. Eurocodes are based on semi-probabilistic "regulation" method of various coefficients, the origin and p...

Plánička, Stanislav
Matematické modelování dvoufázového proudění

The Ph.D. thesis presents a detailed overview of models and techniques used for two-phase flows modeling, which can be numerically solved using the finite volume method. The models and techniques are discussed in detail, including their extent of validity. Using averaging approach, the&...

Rychecký, Drahomír
Modelování poddajných rotujících těles s kontaktními vazbami

The dissertation thesis aims to introduce the reader to one of the possibilities of modeling of flexible bodies connected by contacts with relative small movement. Firstly a state of the art review was made to achieve the stated goal, which was the starting point for expl...

Heidler, Václav
Numerická simulace proudění chladiva v palivovém souboru reaktoru VVER1000 pomocí lattice Boltzmannovy metody

The paper deals with numerical simulation of 3D unsteady turbulent coolant flow inside a fuel assembly TVSA-T of the VVER1000 type reactor operated in Nuclear Power Plant Temelín using Large-Eddy-Simulations (LES). Because of complex geometry of the fuel assemblies and very computational...

Srbová, Hana
Analýza jednosměrového vláknového kompozitu z hlediska mikromechaniky

Aim of this dissertation was to analyze influence of spatial distribution of fibers in the unidirectional carbon fiber composite on overall behavior of the material. The dependency of homogenized material properties of a composite lamina on its degree of irregularity are investigated, p...

Dyk, Štěpán
Kmitání komponent jaderného palivového souboru s rázovými účinky

The thesis is focused on mathematical modelling of vibro-impact systems, particularly on the modelling of the TVSA-T fuel assembly components vibration in WWER-1000/320 reactor. A methodology of the modelling of impact-interacting flexible one-dimensional bodies is formulated and the direct appli...

Čibera, Václav
Cross-bridge model sarkomery skládající se ze třech filament

The submitted dissertation thesis is focused on a theoretical mathematical model describing contractile activity of skeletal muscles. More specifically, the main subject of interest is the mathematical model of a structure called sarcomere. Sarcomere is traditionally considered as the basic contr...

Mandys, Tomáš
Numerická simulace chování kompozitních konstrukcí při nízkorychlostním rázu

The work is focused on simulation of behavior of composite materials during in case of low-velocity impact loading. The work describes a development of two author's material models of woven composites. The non-linear elastic material model of woven composite with failure reflects th...

Rendlová, Zdeňka
Dynamické chování rotorů turbodmychadel

This dissertation thesis is focused on the mathematical modeling and dynamical nalaysis of high-speed rotating machines supported by floating ring bearings. The state of the art is described and the methodology of modelling of rotor-bearing system is described in detail. the gyroscopic...

Fišer, Martin
Numerické simulace proudění mělkých vod

This work describes the numerical solution of the mathematical model of the Shallow Water Equations. As the source terms the bed slope source term and the bed friction term are included. At the beginning the mathematical model and the boundary conditions are described. Mathematical...

Švrček, Miroslav
Spolehlivost reaktoru VVER 1000 s ohledem na poškození vlivem nízkocyklové únavy

The Doctoral thesis deals with problems of fatigue assessment of nuclear reactor components, namely with fatigue assessment of reactor pressure vessel material as well as reactor internals and upper block of WWER 1000. Main goal is the description, interpretation and numerical formulation&#x...

Bartošek, Jan
Identifikace a lokalizace rázové síly na kompozitové struktuře

This dissertation thesis is aimed at the problem of impact force localization and reconstruction on composite structure reinforced by continuous fibers. Polymer composites are currently applied in important structures like primary structure of airliners. There are many failure mechanisms of compo...

Havelková, Linda
Biomechanický svalově-kosterní model

Presented thesis work is focused on musculoskeletal modeling, especially on muscle forces and moment arms calculation using the new method for muscle path determination. This method is based on obstacle-set method. However, the new torus obstacles are implemented instead of standard obstacle...

Bublík, Ondřej
Aplikace nespojité Galerkinovy metody konečných prvků na řešení úloh mechaniky tekutin

The Ph.D. thesis is aimed at the numerical modelling of compressible inviscid and viscous fluid flows. The spatial discretisation of the governing equations is carried out using the modern discontinuous Galerkin finite element method. The application of this method is performed for the&...

Jonášová, Alena
Výpočtové modelování proudění krve za účelem neinvazivního posouzení životnosti bypassových štěpů

Hemodynamics with its ability to trigger pathological changes in blood vessels plays an important role in the patency and overall performance of implanted arterial bypass grafts. Based on this knowledge, the Ph.D. thesis is aimed at mathematical modelling of blood flow in idealised ...

Míšek, Tomáš
Dynamická analýza olopatkovaných disků axiálních turbosoustrojí

The thesis focuses on dynamic behavior of bladed disks of axial turbomachinery. The first section is dealing with axisymmetric structure in order to understand behavior of rotational periodic structures since they exhibit very similar properties. Equation of motion for simple 1D continuum&#x...

Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 24