A simple phenomenological hypothesis of cumulative fatigue damage part II.General formulation and discussion

The notion of the history damage factor introduced in the first part of thi s paper poses problems when loading half-cycles interrupted by smaller cycl es are considered. Consequent formulation of the hypothesis solving these p roblems for general complex loading is presented for the integrity of the t heory. General formulation of the proposed hypothesis preserves its simplic ity. Physical aspects of the hypothesis are briefly discussed and some idea s for further research presented.