Abstract
A new program system called“KAFSAS”has been developed for calculation of stress-frequency distribution, for easy handling of fatigue, crack propagation, thermal fatigue, creep and other relational data, and for fatigue life prediction.
In the past 120 years, fatigue tests have been conducted on various specimens, structural components and machine parts, and a large amount of usefull results have been published. Unfortunately such results have been tabulated and/or schematically represented in a variety of fashion, so that one is often confronted with a difficulty in incorporating them for practical design purposes. It seem, therefore, very important to develop an appropriate computerized technique for feasible storage and retrieval of a number of available data by specifying a standard format for data input. The present system“KAFSAS”has the following three sub-systems.
(1) Cycle counting system (KAFSAS-I),
(2) Data store-retrieval system (KAFSAS-II), which is mainly explained in this paper, and
(3) Fatigue life prediction system (KAFSAS-III).