University,;
Osaka;
567-0047,;
Japan;
School;
of;
Engineering,;
Nagoya;
University,;
Aichi;
464-8603,;
Japan;
School;
of;
Engineering,;
Osaka;
University,;
Osaka;
567-0047,;
Japan;
of;
Naval;
Architecture;
and;
Ocean;
Engineering,;
Chosun;
University,;
Gwangju;
501-759,;
Korea;
弯曲疲劳试验; 疲劳强度; 疲劳裂纹; 初始状态; 裂纹模型; 疲劳寿命; 传播过程; 有限元方法;