Stress Intensity

- February 28, 2024 at 9:08 am
  
  Gregor Todd
  Subscriber
  
  Hi,
  
  I am looking for help on how I would calculate the stress intensity factor of a pipe bend in the static structural. I have the stress intensity values itself but am unsure on where to go from here. A sectioned view of my model showing stress intensity can be seen in the attached image.
  
  Thanks
- February 28, 2024 at 10:09 am
  
  Aurojyoti Prusty
  Ansys Employee
  
  Hi,
  You may follow the discussion and the references provided in below link for calculating stress intensity factors.
  /forum/forums/topic/stress-intensity-factor-2/
  Hope this helps.
  Thanks,
  Aurojyoti
- February 28, 2024 at 10:58 am
  
  peteroznewman
  Subscriber
  
  Hi Gregor,
  You show a plot of Stress Intensity. Equivalent (von-Mises) Stress is more commonly used to evaluate whether a ductile material has exceeded its Yield Strength. Why did you plot Stress Intensity?
  Stress Intensity is different from Stress Intensity Factor (SIF) which is a term related to failure due to the presence of a crack. Do you have a crack you want to analyze?
  To get accurate stress results, you need more than one element through the wall thickness. A minimum of two is recommended and more elements through the thickness is often used to obtain a more accurate value of peak stress.