Course Content (Syllabus)
Elastic deformation - Three-dimensional state of stresses and strains, plane strain, plane stress, Airy's stress function, discs, paltes, shells. Elastoplastic material deformation at monotonic and cyclic constant amplitude loading, Ramberg-Osgood law, Masing behavior, cyclic relaxation, fatigue failure, cyclic loading with variable amplitudes, material memory, cyclic loading with variable mean stresses, Haigh-diagrams, mean stress parameters, damage parameters, fatigue failure under variable mean stresses and amplitudes, Palmgren-Miner rule. Mechanics of notches, Methods for evaluation of stresses and strains in notched engineering components, Neuber's rule, influence of technological parameters (roughness, size, type of loading, residual stresses) on fatigue strength, Load spectra, range-pair method, level-crossing method, Modern fatigue life calculation methods for engineering components: Nominal Stress Concept, Notch Stress Concept, Local Strain Approach.
discs, plates, shells, elastoplastic behavior, material fatigue, fatigue of engineering components, fatigue life calcualtion methods