Working on a thermal expansion problem.
I have a part that is initially 220C. So for the zero-strain reference, I input 220C.
Now the part cools down to 23C. So I select the entire part and apply a temperature load to it. Which of these scenarios is correct:
1) I input a temperature load of 23C. SolidWorks calculates the part cooling from 220C to 23C.
2) I input a temperature load of -197C. SolidWorks calculates the part cooling from 220C to (220C - 197C = 23C)
I have been taught that the 2nd way is how to do it. Is it still correct, never correct, or recently changed?
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