Visualize the crack propagation

- June 22, 2019 at 8:29 pm
  
  Abdoon075
  Subscriber
  
  I don't know why I can't view the crack propagation, Although SIF is greater than fracture thoughness
- June 23, 2019 at 10:14 pm
  
  peteroznewman
  Subscriber
  
  ANSYS can calculate the SIF and you can see that it has exceeded the fracture toughness, but it doesn't automatically propagate a crack when that happens.
- June 24, 2019 at 8:07 pm
  
  Abdoon075
  Subscriber
  
  but I found a lot of example that view the crack propagation
- June 24, 2019 at 8:56 pm
  
  peteroznewman
  Subscriber
  
  Yes, but you have to add more to a model to propagate a crack than you need in a model to just calculate SIF. Many times, you don't need to see the crack, you just have to know that a fracture would have occurred at some load.
- June 27, 2019 at 12:03 am
  
  Abdoon075
  Subscriber
  
  Well, Mr. Peter
  
  What should I have to add to the model ??
  
  Sometimes I need to calculate the extension of crack
- June 30, 2019 at 12:13 am
  
  Abdoon075
  Subscriber
  
  well, what should I add to get that ??
  
  Can Ansys calculate the crack extension ?? How I do that ??
- June 30, 2019 at 2:10 am
  
  peteroznewman
  Subscriber
  
  Follow every step in the video and you will get the same result.

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