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Stress - strain analysis of bridge structure during the train passage
Kolárik, Matej ; Navrátil, Petr (referee) ; Skalka, Petr (advisor)
The bachelor’s thesis concerns the stress-strain determination of the rail bridge in Komárov during the train crossing. The task was solved in the program ANSYS which uses the finite element analysis. The following factors were taken into consideration: a non-loaded state, the state of a train assembly load, and detailed observation of a continual crossing of diesel train. Following the series of results the most dangerous state was defined and the safety calculated.
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Stress-strain analysis of clamping mechanism element
Gergeľ, Erik ; Navrátil, Petr (referee) ; Skalka, Petr (advisor)
The bachelor thesis deals with creation of computational model and solves Stressstrain analysis of a car window clamping mechanism element. The main focus of thesis is to locate a critical area of part and find out the distribution of stress is this area. FEA system ANSYS was used for this analysis. The shape optimization based on results of FEA was successful. The equivalent stress was significantly lowered. It would be able to increase the operating time of clamping element.
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General lay out plan
Blahák, Emil ; Navrátil, Petr (referee) ; Hlavenka, Bohumil (advisor)
The theme of this thesis is a comprehensive master plan of a selected firm from South Moravia. The first part deals with the development of production in the period from inception until today and describes some of the shortcomings and problems of the current situation. The next part of the thesis tries to eliminate these deficiencies and suggests possible future configuration options including factory production editing program, technology and production efficiencies due to the expected business investment opportunities.
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Vibration diagnostics of bearings
Navrátil, Pavel ; Mazal, Pavel (referee) ; Klapka, Milan (advisor)
This bachelor’s thesis introduces the basic principles of vibrodiagnostic methods and their importance for individual fase of bearing’s damage. The selected methods studied are: acoustic emission, SPM (shock pulse method), SEE (spectral emission energy), envelope method, High frequency emission, Crest factor, Kurtosis factor and special method for slow-motion machines Adash Compressed Time.
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Statistical processing of experimental data
NAVRÁTIL, Pavel
This thesis contains theory of probability and statistical sets. Solved and unsolved problems of probability, random variable and distributions random variable, random vector, statistical sets, regression and correlation analysis. Unsolved problems contains solutions.
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