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Vařbuchta, Petr ; Hromada, Eduard (referee) ; Česelský, Jan (referee) ; Cupal, Martin (referee) ; Hromádka, Vít (advisor)
This dissertation thesis deals with the analysis of the possibilities of development of residential areas within the framework of spatial planning. The main objective was to establish an index that would show the level of potential of areas for residential development based on the conditions set by the zoning plans. For this purpose, a methodology was developed that involves the collection and analysis of data from graphical information systems of urban planning. The research question was investigated using case studies of the cities of Brno, Olomouc and Jihlava, where residential design areas and their limits were identified. The results showed that residential development can be influenced by various factors such as the character of the area, environmental constraints, technical infrastructure and other regulatory factors. Using the established Index of Residential Development (IoRD), an assessment of the level of potential for development in each city was achieved. This dissertation brings a new perspective to the assessment of residential development potential in urban areas and also provides a methodology for determining the IoRD based on zoning conditions.
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Surface hardening os steels by YbYAG fiber laser
Hromada, Martin ; Daněk, Ladislav (referee) ; Mrňa, Libor (advisor)
Diploma thesis is focused on laser hardening by Yb:YAG fiber laser. Experiment is based on hardening of testing pieces made of steel 12 050 with different parameters of distance and movement speed of laser head. In theoretical part are described principle of laser, types of lasers, laser technology in industry, types of lasers, types of hardening and types of hardness measuring. In practical part are firstly evaluated macrostructure and microstructure photos and Vickers hardness. In conclusion are analyzed the results of laser hardening and after that the best laser hardening parameters were selected.
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Aerodynamic Wind Tunnels in the Automotive
Hromada, Martin ; Zháňal, Lubor (referee) ; Vančura, Jan (advisor)
The aim of bachelor thesis is research themed the aerodynamics wind tunnels in the automotive. Thesis contains overview of historical evolution of wind tunnels and their categorization. Following chapter describes main parts of wind tunnel, ways of measurement in wind tunnels and problems during testing.
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Assessing the protection of significant soft targets against terrorist attacks by pedestrian simulation
Uhlík, Ondřej ; Hromada,, Martin (referee) ; Apeltauer, Tomáš (advisor)
Diploma thesis deals with the issue of terrrorism in relation to soft targets and subsequent assessment of the selected soft target in terms of possible terrorist attack. The objective is primary school Sirotkova in Brno. The assessment criteria was evacuation of the school as a whole and its individual parts. A risk analysis was performed for the object to determine real threats in which there were clasified the probability and extent of impacts of potential attacks. The most likely scenarios of the attack were identified, based on this analysis. These scenarios were subsequently implemented into an advanced numerical 3D model, where the evacuation was simulated within these scenarios. In the framework of the school assessment, the work focused on comparing three different approaches to the evacuation process. The evacuation process was compared according to parameters of experimental data obtained from the practise of evacuation of primary school with evacuation processes set acording to the parameters of fire standards CSN and international SFPE fire safety standards. The results of the individual simulations were processed with a statistically determined probability percentile. The outcome of the assessment was to determine the probable evacuation time of the school and its individual parts. Based on these results, there was performed a proposal to optimize the evacuation process of the school, which made the process more efective and shortened the evacuation time to minimalize the impact of a potential terrorist attack.
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APPLICATION OF MACHINE LEARNING IN CIVIL ENGINEERING
Pálková, Martina ; Hromada, Martin (referee) ; Řehák,, David (referee) ; Podroužek, Jan (advisor)
This thesis deals with the issue of machine learning in modeling of movement of pedestrians, the possibilities of its use and its limitations. The problem is shown on two real examples from practice. Digitization of industry and related use of advanced computing methods, such as artificial intelligence, has undergone unprecedented progress in the last ten years. Nevertheless, the construction industry lags behind other industries. This topic offers a lot of scope for research, the results of which can be very well applied in practice. Machine learning has the potential to be cheap and efficiently process large data sets with high accuracy, almost in real-time. In order for this to be possible, it is necessary to solve questions such as the appropriate choice for the given problem method, its architecture and parameter optimization. Another important direction of research is pre-processing of data, its format and division into training and test sets. This the topic, despite the great progress in the field of machine learning, is still discussed without uniform conclusions. These are the directions in which this work goes.
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Application of pedestrian evacuation and fire spreading models for specific buildings safety improvement
Okřinová, Petra ; Hromada, Martin (referee) ; Dvořák, Zdeněk (referee) ; Apeltauer, Tomáš (advisor)
The current trend in the construction industry is construction “without limits”. In projects and implementations, we encounter non-traditional combinations of operational solutions, geometry and materials, which are still approached mainly using the classic standards from the fire safety point of view. The latter does not allow to comprehensively cover all aspects of these specific buildings without a greater degree of subjective simplification. This raises the question of whether, even in these cases, it is still appropriate and safe to use only a standards approach, or whether buildings deviating from traditional construction should be assessed differently – for example, by so-called fire analysis using numerical models. Currently, users still have very little information about the use of these models, and even in the Czech legislation, there is no document recommending how to proceed when using them for the purposes of building fire safety solutions. Numerical models of evacuation and fire analysis are thus currently the most effective tool for impact analysis and preliminary verification of the effectiveness of proposed safety measures. Therefore, it is necessary to deal with their validation and use, with the goal of innovating existing approaches and standardizing numerical models for fire safety assessment of buildings. Furthermore, it is necessary to compare their possibilities and limitations concerning ČSN and to put together a comprehensive information background as a basis for their more active implementation in practice. The presented work thus focuses on the above-mentioned issue and demonstrates its use of application examples of real specific buildings and a set of compiled studies. The work also points out specific shortcomings and simplifications of standard approach methods, based on which verified procedures and recommendations for the incorporation and use of numerical models in fire safety practice are then established.
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Assessing the protection of significant soft targets against terrorist attacks by pedestrian simulation
Uhlík, Ondřej ; Hromada,, Martin (referee) ; Apeltauer, Tomáš (advisor)
Diploma thesis deals with the issue of terrrorism in relation to soft targets and subsequent assessment of the selected soft target in terms of possible terrorist attack. The objective is primary school Sirotkova in Brno. The assessment criteria was evacuation of the school as a whole and its individual parts. A risk analysis was performed for the object to determine real threats in which there were clasified the probability and extent of impacts of potential attacks. The most likely scenarios of the attack were identified, based on this analysis. These scenarios were subsequently implemented into an advanced numerical 3D model, where the evacuation was simulated within these scenarios. In the framework of the school assessment, the work focused on comparing three different approaches to the evacuation process. The evacuation process was compared according to parameters of experimental data obtained from the practise of evacuation of primary school with evacuation processes set acording to the parameters of fire standards CSN and international SFPE fire safety standards. The results of the individual simulations were processed with a statistically determined probability percentile. The outcome of the assessment was to determine the probable evacuation time of the school and its individual parts. Based on these results, there was performed a proposal to optimize the evacuation process of the school, which made the process more efective and shortened the evacuation time to minimalize the impact of a potential terrorist attack.
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"Pub behavior" of college students: specific rituals of visits and selection
Hromada, Jan ; Volek, Martin (advisor) ; Kotík, Michal (referee)
Topic of the bachelor's thesis is meaning of pubs as a ritual activity for crating social identity of small groups of college students visiting the pub regularly. Thesis is trying to find out rules of creating integrity of groups in pub environment as traditional social institution. Work is based on social identification theory. General inductive approach was used for analysis on data gathered by half-structured interviews with young people, largely college students, who belongs to stable groups visiting a pub. The result was the pub seen as a place universally capable of group integration. Its meaning is distinguished for two types of groups. Differences are made by different ways of creating groups and their common characteristics. Two types are distinguished based on their voluntary and unvoluntary common group characteristics. Differences of groups are also in openness, conflict vulnerability and the way of keeping group cohesion. Pub institution is described in ways important for groups, importance of social identity and how it can be seen in groups as mutual relationship of identity blending, creating their own relations with common activities, which are ritualized same as the visit of a pub.
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Generating Side Quests for RPG Games From Hand-Crafted Building Blocks
Hromada, Tomáš ; Černý, Martin (advisor) ; Chrpa, Lukáš (referee)
Role-playing games (RPG) often contain side quests - shorter quests not related to the main story, to give the player the feeling of freedom and to let him choose his own path. For this effect to be good, there must be a large number of side quests in the game. Replacing hand-made quests with generated ones is one of the possibilities to make this task easier, however contemporary attempts at generating quests result in the quests being simple and repetitive. This thesis aims to explore a different approach to the problem, a system generating side quests from a set of hand-crafted building blocks. An abstract design and an implementation are described, along with the methods used for evaluating the implementation. The system was evaluated on a group of players, which rated the generated quests similarly to the hand-picked ones.
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