i urgently need help to design boeing 747 riveted fuselage model & another model welded by plasma , also how to make stress analysis for both models

i would like to make two diffrent fueslage modeks for boeing 747 , one of them is riveted and another is welded by plasma through using catia
3 Answers

Hi friend, maybe this link can help you:
https://www.google.com.mx/search?q=FUSELAGE+RIVETS+3D+MODEL&sa=X&tbm=isch&tbo=u&source=univ&ved=0ahUKEwi_m6Km3dHTAhUDkCwKHcn3AzsQsAQIIQ&biw=1920&bih=974
whatever comments and doubts they are welcome.

Hi friend, try to model in catia, something like this link:
https://www.researchgate.net/publication/272590001_Fatigue_crack_location_and_fatigue_life_for_riveted_lap_joints_in_aircraft_fuselage
and after that you can make the analysis using ANSYS Software.