Difference between a pre-integrated and mesh beam cross section

- July 24, 2019 at 7:35 am
  
  CassioEM
  Subscriber
  
  I am working in a model composed by some beam elements. I have a question concerning the cross section. There are two options: Mesh or pre-integrated. What is the difference between them? And why are the frequencies and the modes so different in the modal analysis for my structure when I change this property?
- July 29, 2019 at 11:04 am
  
  CassioEM
  Subscriber
  
  In a static analysis just with the gravity, the reactions are different when I use mesh and pre-integrated.
  
  What is the difference between them?
- July 29, 2019 at 11:23 am
  
  peteroznewman
  Subscriber
  
  Please reply with more detail. Insert an image of the cross section. Attach a .wbpz archive file after you post your reply and say which release of ANSYS you are using.

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