fatique analysis

- December 12, 2019 at 12:26 pm
  
  226774
  Subscriber
  
  HI,
  
  I have to do a fatigue analysis of the PIFA antenna, which will be affected by electromagnetic rays. What parameters do I have to enter to make the result a reality?
  At this moment an error appears:
  'Invalid or missing stress life curves'
- December 12, 2019 at 2:08 pm
  
  peteroznewman
  Subscriber
  
  What load is deforming the structure in a periodic way that builds up cycles of fatigue?
  
  In Workbench, open Engineering Data, click on the material used in the model. There is a Life category in the Toolbox on the left. Drag out a S-N Curve and drop it on your material. Below is the example from Structural Steel. Enter the measured S-N data for your material in the blank yellow cells.
  
  Some materials have a linear S-N relationship established on the log(N) scale. In that case, two parameters define the slope and intercept of that line. In that case you use the Linear S-N model.