Course content

Advanced treatment of low cycle and high cycle fatigue. Mechanisms involved in initiation and growth of fatigue cracks. Effects of corrosion and temperature. Material and mean strain effects. Effect of surface condition fabrication effects and surface modification to increase fatigue strength. Strain controlled fatigue, cyclic plasticity and notch effects. Fracture mechanics and fatigue: Crack growth modelling, short crack behaviour, threshold effects. Probabalistic design. Design criteria for multiaxial fatigue. Variable amplitude loading, linear og non-linear damage accumulation. Implementation of theory in design codes.

Learning outcome

The student will be introduced to characteristic aspects of fatigue process to enable him to identify fatigue fractures and probable causes. The student should be able to select a methodology and relevant standards to solve practical problems in fatigue design of various types of components.

Learning methods and activities

Lectures and group work.
Literature survey of assigned topic with a written report. The lectures and exercises are in English when students who do not speak Norwegian take the course. If the teaching is given in English the Examination papers will be given in English only. Students are free to choose Norwegian or English for written assessments.

Compulsory assignments

• Exercises

Recommended previous knowledge

TMM4195 Fatigue Design or equivalent.

Course materials

Lecture notes and selected publications.

Credit reductions