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Apartment house
Černý, Martin ; Hrochová, Žaneta (referee) ; Sedláková, Markéta (advisor)
The subject of the bachelor's thesis is the design of an apartment building in Humpolec. It is an apartment building, which has four floors above ground and one underground floor. On the first floor part of the house is designed for administration. The building is built on a slightly sloping terrain and is free-standing. Main entrance with entrance to the collective garage is situated to the southwest, where the existing access road is. Nine different housing units are designed. The construction system is made of ground ceramic blocks. The ceilings are made of prestressed panels and the roof is single skin. The work contains project documentation of the actual implementation.
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Evaluation of the Financial Situation of a Company and Proposals for its Improvement
Vénos, Zdeněk ; Černý, Martin (referee) ; Bartoš, Vojtěch (advisor)
The main goal of this bachelor´s thesis is to research and evaluate the financial situation of the researched company from 2010 to 2014 with the help of the financial analysis, as well as suggest solutions leading to its improvement. In the first part of the thesis, there are stated facts and all necessary information used for better understanding of the exploring company with theoretical knowledge and methods used in the financial analysis. The next part contains actual analysis equipped with commentary.
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Analysis of Encipherement Methods for Disk Cloning
Chromečka, Jiří ; Černý, Martin (referee) ; Drahanský, Martin (advisor)
The presented text deals with designing of a multilingual application and its following implementation in the C++ language. The application encrypts disk volumes with Microsoft Windows system using symmetric cryptography and password authentication, where the password security strength is verified. Securing the sensitive data is one of the important security goals in area of information technology. The symmetric cryptography uses the same key for both the encryption and the decryption and due to its speed it is suitable for the data storage encryption. For the higher security it is possible to encrypt a whole disk volume with sensitive data.
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Determination of the mechanical properties of materials used for 3D printing
Černý, Martin ; Sliwková, Petra (referee) ; Sedlák, Josef (advisor)
The thesis deals with the determination of mechanical properties of materials used for 3D printing (ABS, nylon and PLA). Standardized samples produced using a 3D printer using the Fused Deposition Modeling method were subsequently used for mechanical testing. The work is also extended to determine the mechanical properties of samples made by Soft Tooling. For the production of Soft Tooling samples, polyurethane resins SG 2000 and SG 145 were used. Individual materials were analyzed by mechanical tests (tensile test and hardness test). Surface integrity parameters have also been determined for 3D-printed materials. Parameters were selected from the individual tests (tensile strength, modulus of elasticity) ductility and hardness), which were subsequently statistically processed. The work is concluded by evaluating the results obtained, which were compared with the values given in material sheets.
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Analysis of escape routes in 3D building model
Halajová, Andrea ; Bartoněk, Dalibor (referee) ; Černý, Martin (advisor)
This diploma thesis is dealing about the Analysis of escape routes in 3D Building model. At first 3D BIM model, in format IFC, is extracted into the GIS software ArcGiS. From the model is created topology network, which representes the rooms and their connections. Based on this model is created the network analysis for building's escape routes. Results are 5 graphical representation of networks, web visualization and time required to exit from each room of the building.
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City information model based on a 3D data
Dolník, Michal ; Černý, Martin (referee) ; Volařík, Tomáš (advisor)
This diploma thesis deals with creation of data-oriented 3D city model. The aim is to show potential of 3D data in the field of 3D city models and to develop a methodology of conversion of 3D-data with no information to data oriented 3D city model. For this purpose has been chosen format CityGML, which is well-known in the field of 3D city models. This format allows us to store semantical, topological and visual information besides geometry. In terms of concept, thesis is divided into two parts. First part is focused on theory, where are mentioned 3D supported formats. Further I deal with categories of city models according to its usage in praxis and theory about structure of CityGML and its advantages. In second part, I deal with the process of data conversion and its processing. I used geometric data of city parts Líšeň and Nový Lískovec and energy data of some blocks of flats. In the end of thesis, I summarize all the results, possible usage and development of the model.
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The Role of Bi/Material Interface in Integrity of Layered Metal/Ceramic
Masini, Alessia ; Černý, Martin (referee) ; Bermejo, Raul (referee) ; Chlup, Zdeněk (advisor)
The present doctoral thesis summarises results of investigation focused on the characterisation of materials involved in Solid Oxide Cell technology. The main topic of investigation was the ceramic cell, also known as MEA. Particular attention was given to the role that bi-material interfaces, co-sintering effects and residual stresses play in the resulting mechanical response. The first main goal was to investigate the effects of the manufacturing process (i.e. layer by layer deposition) on the mechanical response; to enable this investigation, electrode layers were screen-printed one by one on the electrolyte support and experimental tests were performed after every layer deposition. The experimental activity started with the measurement of the elastic characteristics. Both elastic and shear moduli were measured via three different techniques at room and high temperature. Then, uniaxial and biaxial flexural strengths were determined via two loading configurations. The analysis of the elastic and fracture behaviours of the MEA revealed that the addition of layers to the electrolyte has a detrimental effect on the final mechanical response. Elastic characteristics and flexural strength of the electrolyte on the MEA level are sensibly reduced. The reasons behind the weakening effect can be ascribed to the presence and redistribution of residual stresses, changes in the crack initiation site, porosity of layers and pre-cracks formation in the electrode layers. Finally, the coefficients of thermal expansion were evaluated via dilatometry on bulk materials serving as inputs for finite elements analyses supporting experiments and results interpretation. The second most important goal was to assess the influence of operating conditions on the integrity of the MEA. Here interactions of ceramic–metal interfaces within the repetition unit operating at high temperatures and as well at both oxidative and reductive atmospheres were investigated. The elastic and fracture responses of MEA extracted from SOC stacks after several hours of service were analysed. Layer delamination and loss of mechanical strength were observed with increasing operational time. Moreover, SEM observations helped to detect significant microstructural changes of the electrodes (e.g. demixing, coarsening, elemental migration and depletion), which might be responsible for decreased electrochemical performances. All the materials presented in this work are part of SOC stacks produced and commercialised by Sunfire GmbH, which is one of the world leading companies in the field.
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GIS ANALYSIS IN BUILDING INFORMATION MODELS
Černý, Martin ; Kubíček,, Petr (referee) ; Vyhnálek,, Rudolf (referee) ; Bartoněk, Dalibor (referee) ; Pospíšil, Lubomil (advisor)
This dissertation thesis are concerned about the Geographic Information Systems (GIS) and spatial analyses inside of the Building Information Models (BIM). BIM and GIS are compared from different points of view like data organization, geometry types and modelling paradigms. Results of this comparisons are applied in the first case study where BIM data in IFC format are converted to the SHP format usable for spatial analyses in GIS. The results of the case study are evaluated and new approach for spatial analyses in BIM models is proposed based on the results. The new proposed approach is based on the semantic relations existing in the BIM models. Thesis are concluded with the future development which is in line with authors actual focus.
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