presstrss using initiate command

- July 9, 2024 at 11:56 am
  
  TAOUFIK
  Subscriber
  
  Hello
  
  I work on a prestressed modal of a stayed bridge in ansys mechanical, I use the command initiate to apply presstress (p=419e6 Pa) on all cables as shown in the code bellow, but I don’t understand why I don’t obtain the same stress in results, Could any one help please ?
  
  p=419e6
  
  INISTATE,SET,CSYS,-2
  
  INISTATE,SET,DTYP,STRE
  
  INISTATE,DEFINE,1,,,,p
  
  INISTATE,DEFINE,2,,,,p
  
  INISTATE,DEFINE,3,,,,p
  
  INISTATE,DEFINE,4,,,,p
  
  INISTATE,DEFINE,5,,,,p
  
  INISTATE,DEFINE,6,,,,p
  
  INISTATE,DEFINE,7,,,,p
  
  INISTATE,DEFINE,8,,,,p
  
  INISTATE,DEFINE,9,,,,p
  
  INISTATE,DEFINE,10,,,,p
  
  INISTATE,DEFINE,11,,,,p
  
  INISTATE,DEFINE,12,,,,p
  
  INISTATE,DEFINE,13,,,,p
  
  INISTATE,DEFINE,14,,,,p
  
  INISTATE,DEFINE,15,,,,p
  
  INISTATE,DEFINE,16,,,,p
  
  INISTATE,DEFINE,17,,,,p
  
  INISTATE,DEFINE,18,,,,p
  
  INISTATE,DEFINE,19,,,,p
  
  INISTATE,DEFINE,20,,,,p
  
  INISTATE,DEFINE,21,,,,p
  
  INISTATE,DEFINE,22,,,,p
  
  INISTATE,DEFINE,23,,,,p
  
  INISTATE,DEFINE,24,,,,p
  
  INISTATE,DEFINE,25,,,,p
  
  INISTATE,DEFINE,26,,,,p
  
  INISTATE,DEFINE,27,,,,p
- July 10, 2024 at 6:37 am
  
  Ashish Khemka
  Forum Moderator
  
  Hi,
  Are you expecting the same stress in all the cables as the applied prestress? The stress state can change from the prestress state.
  Regards,
  Ashish Khemka
- August 26, 2024 at 2:43 pm
  
  TAOUFIK
  Subscriber
  
  OK thanks
  Regards