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TTS Master Curve generation issue

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Posts: 4
Topic starter
(@ankitp)
Active Member
Joined: 10 months ago

I'm trying to generate a master curve from frequency sweeps at several temperatures in v7.2.2 (see attached file), but getting a good fit at the intended temperature seems to be a problem. Here, the first curve has a temperature of 22.78 C. So I entered this as the ref temp in the TTS option (to keep the first curve as is and shift the rest), but it gave me a bad fit. It seems that some temp values give a smooth master curve and some don't (33.429, the default set value works). Shifting to 22 C for example shouldn't be possible since there is no data to shift to at that temperature. Am I missing something ?

Also, is there a way to export the shift factors for the master curve as well ?

1 Reply
Posts: 4
Topic starter
(@ankitp)
Active Member
Joined: 10 months ago

Here are the good and bad fits I mentioned. I can't attach the text file with the data

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