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Lecturer(s)
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Menčík Jaroslav, prof. Ing. CSc.
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Course content
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Basic terms. Limit states, kinds of failures, failure rate, bathtub curve. Reliability indicators. Probabilistic methods for reliability evaluation. Stages of reliability forming: in design, manufacture, operation and renewal. Failure modes and effects analysis (FMEA), failure tree, reliability block diagram. Reliability of components and systems, redundation. Work with uncertainties and varying quantities. Prediction and optimisation of reliability in design stage, The use of simulation methods (e.g. Monte Carlo). Failure of materials, damage accumulation. Characterisation of random processes. Estimation of time to failure of constructions of transport means and in transport infrastructure. Experimental determination of fatigue characteristics. Verification of fatigue endurance on testing stands. Simulation of operational loading of constructions of transport means and transport infrastructure. Simulation using ITFC. Representative loading spectrum for the assessment of the time to failure. Strain gauge measurements for the lifetime evaluation.
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Learning activities and teaching methods
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Monologic (reading, lecture, briefing), Dialogic (discussion, interview, brainstorming), Demonstration
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Learning outcomes
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The aim is to explain the students the principal terms of reliability, and to teach them how to solve problems if the input quantities vary or deviate from nominal values. Thorough explanation of fatigue processes and fatigue endurance, especially under random loading.
The graduant knows the general principles of reliability and is able to solve problems if the input quantities vary or deviate from nominal values. He has got thorough knowledge of fatigue processes and fatigue endurance, especially under random loading
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Prerequisites
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Graduation in engineering (master) study.
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Assessment methods and criteria
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Oral examination, Home assignment evaluation, Discussion
The requirements will be defined by lecturer.
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Recommended literature
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Bednařík J. a kol.:. Technika spolehlivosti v elektronické praxi. Praha, SNTL, 1990.
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Čačko J., Bílý M., Bukoveczký J. Meranie, vyhodnocovanie a simulácia prevádzkových náhodných procesov. Bratislava, Veda, 1984.
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Růžička M., Hanke M., Rost M. Dynamická pevnost a životnost. ČVUT Praha, ČVUT, 1992.
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Teplý B., Novák D.. Spolehlivost stavebních konstrukcí. Brno, VUT - CERM, 1999.
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