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Reducing temperature axial force

Reducing temperature axial force

Reducing temperature axial force

(OP)
I have a floorbeam that is pinned at both ends with a temperature load applied to it.  As expected, this produces a very high axial force.  To reduce the force I will allow the support to move say 1/8".  If I specify "enforced but" supports and a support displacement would that be accurate or is there a better way to model this type of support?

RE: Reducing temperature axial force

The only other way I can think of doing this, besides using the support displacement, is by using a spring in the "fixed but" support specification.  I believe it would be more simple to do it the way you have done it and perhaps more accurate.

RE: Reducing temperature axial force

(OP)
I should have said "fixed but" instead of "enforced but" since I'm not dealing w/ plates.  I had thought about using a spring but wasn't quite sure how to implement that.  Thank you for the help!

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