xii
2.8.9 e Reliability of a Component with P-S-N Curves by the Monte
Carlo Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
2.9 e Probabilistic Fatigue Damage eory (the K-D Model) . . . . . . . . . . . . . . 72
2.9.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
2.9.2 e Material Fatigue Strength Index K
0
. . . . . . . . . . . . . . . . . . . . . . . 73
2.9.3 e Component Fatigue Strength Index K . . . . . . . . . . . . . . . . . . . . . 78
2.9.4 e Component Fatigue Damage Index D . . . . . . . . . . . . . . . . . . . . . 79
2.9.5 e Probabilistic Fatigue Damage eory (the K-D Model) . . . . . . . 81
2.9.6 Reliability of a Component under Cyclic Axial Loading . . . . . . . . . . 81
2.9.7 Reliability of a Component under Cyclic Direct Shearing Loading . . 85
2.9.8 Reliability of a Shaft under Cyclic Torsion Loading . . . . . . . . . . . . . . 88
2.9.9 Reliability of a Beam under Cyclic Bending Loading . . . . . . . . . . . . . 92
2.9.10 Reliability of a Component under Cyclic Combined Loading . . . . . . 96
2.9.11 Reliability of a Component with the K-D Model by the Monte
Carlo Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
2.9.12 e Comparison of Results by the K-D Model with the Results by
the P-S-N Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
2.10 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
2.11 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
2.12 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
3
e Dimension of a Component with Required Reliability . . . . . . . . . . . . . . . 121
3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
3.2 Dimension Design with Required Reliability . . . . . . . . . . . . . . . . . . . . . . . . . 121
3.2.1 Limit State Function and Preliminary Design . . . . . . . . . . . . . . . . . . 121
3.2.2 Dimension Design by the FOSM Method . . . . . . . . . . . . . . . . . . . . 123
3.2.3 Dimension Design by the Modified H-L Method . . . . . . . . . . . . . . 129
3.2.4 Dimension Design by the Modified R-F Method . . . . . . . . . . . . . . . 136
3.2.5 Dimension Design by the Modified Monte Carlo Method . . . . . . . 145
3.3 Dimension of a Component with Required Reliability under Static Loading 152
3.3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
3.3.2 Component under Static Axial Loading . . . . . . . . . . . . . . . . . . . . . . 152
3.3.3 Component under Static Direct Shearing . . . . . . . . . . . . . . . . . . . . . 154
3.3.4 Shaft under Static Torsion Loading . . . . . . . . . . . . . . . . . . . . . . . . . . 157
3.3.5 Beam under Static Bending Moment . . . . . . . . . . . . . . . . . . . . . . . . 161
3.3.6 Component under Static Combined Loading . . . . . . . . . . . . . . . . . . 164