Posted at 15:18h in - Classification of themes - All, Communications to the Academy by its members, Real Academia de Ingenieria (Spain) (RAI), Urbanism and Housing 0 CommentsReal Academia de Ingenieria (Spain) (RAI) 2009 Introduction and motivation to materials fatigue problems. Models based on stresses. Models based on deformations. Models based on mechanics of the fracture. Damage models and damage accumulation.