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Need help to properly apply boundary condition

Question asked by Devi Prasad Samal on Jan 27, 2011
Latest reply on Mar 20, 2011 by Jerry Steiger

Hi Experts,


I have a simple question to ask...


I am trying to silmulate a analysis of Base frame of a flat bed trailer. I have uploaded the pic.


As in the picture i have fix the king pin location from front & axle location from behind. u can see the green arrows to see the fix location.


and then add a load at appropriate position.


But after running the simulation, what i find that stress is developed near axle position where i have fixed the assembly.


But in real life normally base frame has more damage at goose neck position.


What i am doing wrong? do iahve to take the suspension type boundary conditon or what.


please advice...