DAMAGE MECHANICS FINITE ELEMENT METHOD FOR PREDICTION OF TOTAL FATIGUE LIVES OF METAL STRUCTURE MEMBERS
DAMAGE MECHANICS FINITE ELEMENT METHOD FOR PREDICTION OF TOTAL FATIGUE LIVES OF METAL STRUCTURE MEMBERS出 版 物:《Chinese Journal of Aeronautics》 (中国航空学报(英文版))
年 卷 期:1992年第4期
页 面:223-233页
核心收录:
主 题:TOTAL DAMAGE MECHANICS FINITE ELEMENT METHOD FOR PREDICTION OF TOTAL FATIGUE LIVES OF METAL STRUCTURE MEMBERS NACA
摘 要:Damage mechanics method is applied to studying fatigue problems of metallic *** governing equations of stress-damage field and finiteelement-additional loading method are ***,formulas of predictingfatigue crack formation and propagation lives of structural members are derived withdamage increment as step *** lives of typical notched plates with various geometricalparameters,made of 2024 and 7075 are *** results show that the agreementbetween theoretical S — N curves and experimental ones is very *** methodrequires short CPU time and can be applied to engineering practice.