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Development of structural analysis software
Michálková, Anežka ; Buzík, Jiří (referee) ; Létal, Tomáš (advisor)
This bachelor thesis deals with a development of software for strength analysis of truss and beam elements using the Finite Element Method. Firstly, this thesis introduces basic theory of this method which is necessary for development of the software. Next part of the thesis discusses the software itself. Essential feature of development of the software was to transform mathematical theory to uncomplicated algorithms which are explained in the thesis. Last part is dedicated to comparison of the strength analysis results gained from the developed software and from ANSYS Workbench.
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Stress analysis of the tree root of an aircraft engine turbine wheel
Čepica, Vojtěch ; Svoboda, Miroslav (referee) ; Chromek, Lukáš (advisor)
The main focus of the bachelor thesis is stress analysis of the tree root of an aircraft engine turbine wheel. First part is dedicated to the issue of aircraft engine and various kinds of mounting the rotor blades. Next chapters of the thesis involve the calculation itself. The known equatations have been used in case of analytical calculation whereas the ANSYS Workbench program based on final element method has been used for the numerical calculations. Finally I compared both approaches in conclusion of the thesis.
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Strain, stress and strength analysis of the high pressure compound vessel by finite element method
Koutský, Jiří ; Suchánek, Miroslav (referee) ; Vrbka, Jan (advisor)
Strength and strain analysis of high pressure compound vessel, which is used to produce superhard materials (for example synthetic diamond). This work was elaborated to compare the stresses and strains calculated by Prof. Jan Vrbka making use of the FEM program ‘Prokop’17 years ago with those gained with the contemporary FEM Ansys program. The vessel is loaded by internal pressure of size 6 GPa. The elastic-plastic material be-haviour is taken into account. Real value of friction between rings and non-uniform temperature field is included into the calculation. The process of assembling the compound vessel is simulated step by step.
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Selected designing works on the acid water stripping process
Motyka, Ondřej ; Kilkovský, Bohuslav (referee) ; Jegla, Zdeněk (advisor)
The diploma thesis is focused on selected designing works related to the design of a specific process of acid water stripping. The main purpose of the work is to describe the procedure and the obtained results for these performed design work based on the relevant assignment and the process requirements. In the introductory two chapters, the work focuses on process introduction and description of main process equipment. The following chapters are devoted to the description of the designing works, specifically simulation of the process in CHEMCAD, design calculation of the spiral plate heat exchanger for feed preheating, creation of 3D model and drawing documentation using AutoCAD Plant 3D and lastly strength analysis of the selected pipeline. The main outputs of this work are mainly generated result reports from the process and equipment simulation and strength analysis of the solved pipeline route, 3D model of the process and selected technical and drawing documentation. At the end of the diploma thesis, the performed activities and their outputs are summarized and evaluated.
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Conceptual design of light folding hot-air balloon basket
Zatloukal, Tomáš ; Löffelmann, František (referee) ; Šplíchal, Jan (advisor)
The master thesis examines the design of small folding hot-air balloon basket intended for up to 3 people. It mainly focuses on the conceptual and structural design and their stress-strain analyses. After an initial introduction to the general terms used in hot-air ballooning, the thesis is focused on collecting information about folding lightweight baskets produces nowadays. The part deals with the conceptual design of the basket begins with the requirements. After choosing the method of basket folding, the thesis focuses on the structural nodes of the basket, and it also talks about the design of the burner frame. The penultimate part of the thesis verifies the selected structural designs from a strength point of view. The conclusion is devoted to the mass analysis.
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Skip loader NKR130V
Derka, Lukáš ; Ospalík, Zdeněk (referee) ; Kašpárek, Jaroslav (advisor)
This master’s thesis deals with a strength analysis of the main frame and loading arms of a skip loader. For a calculation of load states is used a dynamic simulation and its results are used as a boundary conditions for the strength analysis using finite element method (FEM). The results of the analysis is evaluated and on theirs basis are designed a construction improvements. The part of the thesis is drawings documentation of the construction improvements.
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Rear frame of Forwarder L520
Koumar, Martin ; Klimeš, Pavel (referee) ; Pokorný, Přemysl (advisor)
This master’s thesis deals with strength analysis rear frame of forwarder LVS 520 and propose modifications of this frame. The main part of this work is strength analysis of the supporting frame of the original construction by the help of the finite elements method. Further the design of suitable structural modifications and strength analysis of the modified construction of frame. This master’s thesis has been prepared with Strojírna Novotný s.r.o. company cooperation.
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The stress analysis and design optimizing of the trailer MEGA 25
Halama, Tadeáš ; Molva, Martin (referee) ; Kašpárek, Jaroslav (advisor)
This Diploma Thesis is dedicated to stress analysis of carrier swap bodies Mega 25 with maximum technical weight 27 000 kg and has been worked out in corporation with ZDT Nové Veselí company. The aim of this work is to stress analysis of trailer in various burdensome conditions. The first section of the Thesis is occupied with original design and burdensome condition. Then, according to these states gained strength to control the finite element method, implement and then modify the design including design of new drawbar and then create selected construction drawings prepared.
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The analysis of frame synchronous generator
Marada, Ondřej ; Střelková, Radka (referee) ; Pokorný, Přemysl (advisor)
The thesis is focused on the examination of the utility of a synchronous generator of a small hydroelectric power station in the case of a change of working position of the machine. The utility will be measured on the basis of the examination of deformations and state of stress of the frame of the generator for the present running (with vertical axis of rotation of the generator) and subsequently for modified running (with horizontal axis of rotation). This will be accomplished partly on the static shell model by finite element method and consequently on the simplified dynamic model.
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