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수정된 S-N 곡선과 랜덤 변형률 이력을 이용한 피로수명 예측
유수호(Sooho Yoo),김강욱(Kangwook Kim),이동석(Dongseok Lee) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
When the Car run on the road, assembled part support axle force and moment. In the FEM analysis of assembled part, the technique to predict Fatigue life and calculate stress need to apply correct force. In this study we use the stabilizer-bar during the experimentation for module road simulator using a full car road data generate crack. Strain gauge is attached to cracked point and estimates the strain history. The fatigue analysis will be implemented after calculate random stress history. S-N curve will be modified by cracked mode and compare to current a part-test-result for the confident fatigue analysis. Additional, damage analysis practice usually used S/W and numerical analysis method with measured strain data.