论文部分内容阅读
采用有限元方法中的1/4点位移法计算了17号锻造钩尾框的应力强度因子;根据Paris公式结合AAR载荷谱,计算了17号锻造钩尾框的裂纹萌生寿命。并对计算结果进行分析评价。
The stress intensity factor of No. 17 forged yoke was calculated by 1/4 point displacement method in finite element method. According to Paris formula and AAR load spectrum, the crack initiation life of No. 17 forged yoke was calculated. And analyze the evaluation results.