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NX 10 Durability and Fatigue

Hallo everybody,

I have questions about input data for liftetime calculactions (Durability/Fatigue) -

- Describes the factor K (Surface Factor)  the influence of the surface on the fatigue endurance?

- How can I apply the different load ratios in the Fatigue Calculation ?- see Appendix

- I calculate firstly statically and then over the scaling (Scale) I can get the load ratio?

 

Thanks and RegardsBild1.jpgBild2.jpgBild3.jpgDurability.jpgStress ratio.jpg