@Michael fletcher & Moverz.
Thankx for your instant reply.
I do stress analyis(static) for TEG system. Normally i was suggested to provide "x,y,z restraint without gap" at terminal point. so far i have done like that without problem. but now i do the last part of the system, in which the line has terminal point which is connected to LP flare. so, i provided x,y,z restraint at this point. but the system fails. if without x,y,z restraint, the system passes. can i leave that terminal point without restraints or any other options?...
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Regards,
santrokumar.