Page 492 - Biaxial Multiaxial Fatigue and Fracture

416 JL.T SANTOS ET AL.

is must be linear and he material

n of unitacceleration fields along each

. Superposition o

the optimkation problem).
-Prelhinary ellipse center coordinates arethe
average values calculatedfrom the results
along he coordinate axes.

-solution of he optimization problem using

-The results ale again transfered to a new co
ordinate system 13 allow forthe determination
of he minor radius
-Wlh themajor andminorradiur.the shear
stress ampstude cannow be calculated.
-The maximum hydrostatic stress is also
computed using the previous stress results.
tigue damage indicator k calculated

Fig. 4. Flowchart of multiaxial fatigue damage evaluation procedure using ANSYS.