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National Repository of Grey Literature 13 records found  previous11 - 13  jump to record: Search took 0.01 seconds. 
Stress-strain analysis of elastomer components of flexible coupling
 Láštic, Daniel ; Majer, Zdeněk (referee) ; Burša, Jiří (advisor)
The diploma thesis deals with computational modelling of stress-strain states in elastomeric components of a flexible coupling. The first part of the thesis is dedicated to research about usage and designs of flexible coupling and about fatigue of elastomers. The second part of the thesis concerns creation of the computational model. The model of material is determined based on uniaxial tension test of a specimen produced from a real elastomer component. The results are presented in the form of comparison of two designs of elastomer component with respect to fatigue behaviour based on a maximum principal strain range. The results of computational modelling in the viewpoint of crack initiation site are in good agreement with the results from the component used in operation and dif-ferences between the two designs are negligible. The quantitative difference of the two designs is 15 %.
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Flexible couplings on the principle of fluid
 Machů, Tomáš ; Habán, Vladimír (referee) ; Pochylý, František (advisor)
The thesis deals with flexible shaft couplings especially with new category of flexible couplings on the principle of fluid. Mathematical model of gas spring and rotor system with two degrees of freedom are derivated in this work. Last part of the work deals with design modification of flexible coupling with gas springs.
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Solution of Powertrain Vibration on Dynamometer
 Lux, Josef ; Janoušek, Michal (referee) ; Novotný, Pavel (advisor)
This diploma thesis deals with vibration of powetrain on dynamometer. For this problem I got six-cylinder engine, which is connected by flexible coupling to dynamometer. According to simplified computational model is this assembly simulated in MBS of system ADAMS View. Two versions of flexible coupling are dealt. In the final part of the thesis is created single program for calculation self-frequency of this assembly and in the end of this thesis is general evaluation.
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