CAJ | 학술논문

分析了疲劳损伤理论在疲劳寿命预测中的应用，并基于该疲劳损伤理论对微型车驱动桥壳进行仿真计算。考虑了桥壳焊缝部位对桥壳整体的影响，针对焊缝进行建模，并且对其赋予BS7608-1993标准中与其结构、受力对应的S-N曲线。通过台架试验验证了仿真计算结果的准确性，基于有限元技术的疲劳寿命预测方法能较准确地预测结构的疲劳寿命，对产品的设计和开发有一定的指导意义。
분석료피로손상이론재피로수명예측중적응용，병기우해피로손상이론대미형차구동교각진행방진계산。고필료교각한봉부위대교각정체적영향，침대한봉진행건모，병차대기부여BS7608-1993표준중여기결구、수력대응적S-N곡선。통과태가시험험증료방진계산결과적준학성，기우유한원기술적피로수명예측방법능교준학지예측결구적피로수명，대산품적설계화개발유일정적지도의의。
Fatigue damage theory was applied to the prediction of fatigue life .The simulation calculation of micro -vehicle drive axle was carried out .With the weld effect considered , the S-N curves of the standard BS 7608:1993 was assigned corre-sponding to its structure and force .The accuracy of simulation results was verified by bench test .Based on finite element technol-ogy, fatigue life of the structure can be predicted accurately , it has certain implications for product design and development .