Page 497 - Biaxial Multiaxial Fatigue and Fracture

Fatigue Assessment of Mechanical Components Under Complex Multiaxial Loading 48 1

17. Ballard, P., Dang Van, K., Deperrois A. and Papadopoulos, Y.V. (1995) High Cycle
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Appendix: NOMENCLATURE
length of the longest chord
the fatigue damage indicator
dynamic force in x direction
dynamic force in y direction
bending fatigue strength at the cyclic life N
second deviatoric stress invariant
ratio of shear stress amplitude over normal stress amplitude
Minimum Circumscribed Circle
Minimum Circumscribed Ellipse
cyclic life
factor of non-proportionality of the multiaxial fatigue loading
radius of the minimum circumscribed circle
length of the major semi-axis of the minimum circumscribed ellipse
length of the minor semi-axis of the minimum circumscribed ellipse
transformed deviatoric stress vector
components of the transformed deviatoric stress vector S
equivalent stress amplitbde parameter
time instant
torsion fatigue strength at the cyclic life N
center point of the MCC and MCE
coordinates of the center point w
phase shift angle
stress tensor
deviatoric stress tensor
shear stress amplitude
normal stress
material parameter for a given cyclic life N
material parameter for a given cyclic life N
amplitude of shear stress component under torsion
amplitude of normal stress component under bending
components of the stress tensor 0-