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Plot TCF in COMSOL

Posted Jul 11, 2020, 9:45 p.m. EDT Piezoelectric Devices Version 5.5 1 Reply

Yasaman Majd
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Hi, I have a question regarding simulating temperature coefficient of frequency in COMSOL. I want to draw the curve of TCF for Lithium Niobate, so I defined temperature as a parameter and consider the effect of temperature in elasticity matrix ( I wrote elasticity module in terms of temperature). After that I perform the Eigen-frequency simulations to find the desired mode shape and observe the variations of frequency for each temperature. I wrote the frequency for each temperature one by one and then draw it in Matlab. However, I think this method is a quite bit time-consuming. Does anybody know a way to plot TCF curve directly in COMSOL, like other plots? or at least export the data of variations of frequencies to Matlab ?

Thanks in advance for your help

1 Reply Last Post Jul 13, 2020, 7:13 a.m. EDT
Henrik Sönnerlind COMSOL Employee

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Posted: 4 years ago Jul 13, 2020, 7:13 a.m. EDT

You can make a table of natural frequency as function of the temperature parameter, and then create a Table Graph. See the graph in the attached file.

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Henrik Sönnerlind
COMSOL
You can make a table of natural frequency as function of the temperature parameter, and then create a Table Graph. See the graph in the attached file.

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