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Use of the DIC method in solving basic problems of solid mechanics
Hrůza, Vlastimil ; Pokorný, Jan (referee) ; Ščerba, Bořek (advisor)
This bachelor’s theses deals with the solution of basic problems of solid mechanics using digital image correlation. The research part of the thesis presents some of the optical methods used for deformation measurement, digital image correlation in particular, whose history, principles, limitations and utilizations are described in detail. In the practical part of the theses, three experiments are carried out, which are then evaluated using digital image correlation and the results are compared with the created computational models. In the first experiment, strain on the tensile test specimens with notches is measured, the second experiment is focused on measuring strain when bending curved beams and in the final experiment, natural frequency of a fork produced by 3D printing is determined.
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Extending the Laboratory Educational Kit PIC Edu Kit with a Set of Wireless Sensors
Hanuš, Tomáš ; Najman, Jan (referee) ; Sova, Václav (advisor)
This thesis describes the design and implementation of extension of laboratory training model PIC Edu Kit. It is about set of wireless sensors. These sonsors have to measure temperature and deformation. Mesure of temperature was realized by temperature resistive sensor Pt100 and deformation by resistive tenzometr. These wireless moduls comunication on protocol Wi-Fi. In this work is introduced propose of measuring dictucts for measure of temperautre and deformation. There is evidenced their realization, showed software for receiving dates on PC and programme for the microcontroler.
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Design of actuated measuring setup for vacuum chamber of electron microscope
Imramovský, Jakub ; Náhlík, Luboš (referee) ; Krejsa, Jiří (advisor)
Master's thesis deals with design of an apparatus for straining of CT testing object for research of initiation and propagation of cracks in tested sample, which will be eventually placed in electron microscope vacuum chamber, which belongs to the Institute of Physics of Materials of Czech Academy of Sciences. Principles of strain measurement are described and possible electric motors for actuation of straining apparatus are described. Mapping and creation of a 3D model of vacuum chamber are performed for adjustment of straining device so that the straining process can be actuated. Creation of measuring chain is described as well as creation of graphical user interface. Results and possible further development are discussed in the end of the thesis. Attachment includes 3D model of electron microscope vacuum chamber, code for driving the development board and code for creation of graphical user interface.
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Use of the DIC method in solving basic problems of solid mechanics
Hrůza, Vlastimil ; Pokorný, Jan (referee) ; Ščerba, Bořek (advisor)
This bachelor’s theses deals with the solution of basic problems of solid mechanics using digital image correlation. The research part of the thesis presents some of the optical methods used for deformation measurement, digital image correlation in particular, whose history, principles, limitations and utilizations are described in detail. In the practical part of the theses, three experiments are carried out, which are then evaluated using digital image correlation and the results are compared with the created computational models. In the first experiment, strain on the tensile test specimens with notches is measured, the second experiment is focused on measuring strain when bending curved beams and in the final experiment, natural frequency of a fork produced by 3D printing is determined.
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Extending the Laboratory Educational Kit PIC Edu Kit with a Set of Wireless Sensors
Hanuš, Tomáš ; Najman, Jan (referee) ; Sova, Václav (advisor)
This thesis describes the design and implementation of extension of laboratory training model PIC Edu Kit. It is about set of wireless sensors. These sonsors have to measure temperature and deformation. Mesure of temperature was realized by temperature resistive sensor Pt100 and deformation by resistive tenzometr. These wireless moduls comunication on protocol Wi-Fi. In this work is introduced propose of measuring dictucts for measure of temperautre and deformation. There is evidenced their realization, showed software for receiving dates on PC and programme for the microcontroler.
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