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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › How to get accumulated thermal strain of a structure with considering varying CTE values with temp? › Reply To: How to get accumulated thermal strain of a structure with considering varying CTE values with temp?

August 22, 2021 at 11:58 pm
peteroznewman
Subscriber
After reading the aforementioned document, I have a question for you: Is the CTE table you provided Instantaneous CTE values or are they Secant CTE values, and if they are Secant CTE values, what is the reference temperature?
If you know the table to be Instantaneous CTE values, use equation (4) in the document to convert to Secant CTE at the reference temperature of 20 C that you mentioned for the zero strain temperature.