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Stress, deformation and reliability computational analysis of the adjustable tandem trike frame
Ščotka, Martin ; Kubík, Petr (oponent) ; Vrbka, Jan (vedoucí práce)
This bachelor thesis deals with stress, deformation and safety analyses of adjustable frame of tandem tricycle. Starting with brief introduction of cycling, especially alternative cycling followed by indicating of whip assumptions and computational model of the frame. The final calculations have been done in three basic modes: direct motion, braking and cornering. Inner Stress Resultant has been summed, reduced pressure in a dangerous point has been expressed and safety issue has been figured up as well. Mathematical software MAPLE has been used to solve the assignment. Model is provided in software Autodesk Inventor
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Influence of a Notch on Stress-Strain States at the Front of Cracks Loaded by Shear Modes
Ščotka, Martin ; Žák, Stanislav (oponent) ; Horníková, Jana (vedoucí práce)
This diploma thesis deals with influence of a notch on stress-strain states at the front of cracks by shear modes. Starting with fracture mechanics and its division, followed by stress intensity factor and calculate its by finite element method. Calculation is solved for two types of notches, U-notched and V-notched, both notches were modeled parametrically so their geometry was changeable and stress intensity factor were calculated for all configurations. Subsequently was solved next calculation of stress intensity factor but for shaft without notch. Finally, was evaluated influence of notch on stress intensity factor. Software for finite element method has been used ANSYS. Others calculation was provided in software MATLAB
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Influence of a Notch on Stress-Strain States at the Front of Cracks Loaded by Shear Modes
Ščotka, Martin ; Žák, Stanislav (oponent) ; Horníková, Jana (vedoucí práce)
This diploma thesis deals with influence of a notch on stress-strain states at the front of cracks by shear modes. Starting with fracture mechanics and its division, followed by stress intensity factor and calculate its by finite element method. Calculation is solved for two types of notches, U-notched and V-notched, both notches were modeled parametrically so their geometry was changeable and stress intensity factor were calculated for all configurations. Subsequently was solved next calculation of stress intensity factor but for shaft without notch. Finally, was evaluated influence of notch on stress intensity factor. Software for finite element method has been used ANSYS. Others calculation was provided in software MATLAB
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Stress, deformation and reliability computational analysis of the adjustable tandem trike frame
Ščotka, Martin ; Kubík, Petr (oponent) ; Vrbka, Jan (vedoucí práce)
This bachelor thesis deals with stress, deformation and safety analyses of adjustable frame of tandem tricycle. Starting with brief introduction of cycling, especially alternative cycling followed by indicating of whip assumptions and computational model of the frame. The final calculations have been done in three basic modes: direct motion, braking and cornering. Inner Stress Resultant has been summed, reduced pressure in a dangerous point has been expressed and safety issue has been figured up as well. Mathematical software MAPLE has been used to solve the assignment. Model is provided in software Autodesk Inventor
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