Bolt Pretension in transcient analysis

- March 18, 2020 at 10:04 pm
  
  glouvincs01
  Subscriber
  
  Hello,
  
  In a transcient analysis , I'm using one step with bolt pretension and then another step with a shock applied on a structure. I would like to know how to chose correctly the time step for the first step? How the time matters for pretension in general ?
  
  Thanks,
  
  Best
- March 19, 2020 at 1:29 am
  
  peteroznewman
  Subscriber
  
  In Step 1, you turn off Time Integration, so real time is not being used while the bolt is being tensioned. You can take 1 second to tighten the bolt, then the shock load can be applied when Step 2 starts at T=1.
- March 19, 2020 at 6:44 am
  
  glouvincs01
  Subscriber
  
  Thank you Sir for your answer