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이상록(Lee S. R),이학주(Lee H. J),한승우(Han S. W),김정엽(Kim J. Y),차정환(Cha J. H),강재윤(Kang J. Y),박찬경(Park C. K) 한국철도학회 2000 한국철도학회 학술발표대회논문집 Vol.- No.-
Stress analysis of the bogie frame by using the finite element method has been performed for the various loading conditions according to the results of vehicle dynamics analysis. Multiaxial fatigue analysis methods such as signed von Mises method, and typical critical plane theories were reviewed, and margin of safety for fatigue is defined. Multiaxial fatigue analysis program to predict the margin of safety of bogie frame under non-proportional loading conditions has been developed by using a commercial command language. Fatigue analysis of bogie frame under multiaxial loading was performed through this program and finite element analysis result. The procedure developed in this study is considered to be useful for the fatigue strength analysis in preliminary design stage of railway components under multiaxial loading condition.