fatigue strength index |
fatigue damage state of
1st stage loading |
fatigue life |
fatigue damage state of 2rd stage
loading |
the number of cycle |
new equivalence equation |
equivalence equation |
applied stress |
fatigue driving stress function |
applied stress of
1st stage loading |
fatigue life of 1st stage loading |
applied stress
of 2nd stage loading |
the number of cycle of 1st stage loading |
equivalent driving stress of 1st stage
loading |
fatigue driving stress function of 1st stage loading |
critical fatigue driving stress |
fatigue life of 2nd stage loading |
equivalent
driving stress of 2nd stage loading |
the equivalent number of cycle of 2nd stage loading |
applied stress of 3rd stage loading |
the number of cycle of 2nd stage loading |
equivalent driving stress of 3rd stage
loading |
fatigue life of 3rd stage loading |
applied stress
of ith stage loading |
the equivalent number of cycle of 3rd stage loading |
equivalent driving stress of ith stage
loading |
the number of cycle of 3rd stage loading |
temperature-dependent fatigue strength coefficient |
fatigue life of ith stage loading |
the new
equivalent number of cycle of 2nd stage
loading |
the number of cycle of ith stage loading |
ratio
of 1st and 2nd stage loading
stresses |
damage of ith stage loading |
ratio of
i-1th and ith stage loading
stresses |