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How to consider the damping losses in SAW devices, in order to obtain the real part of the impedance
Posted Aug 21, 2012, 8:46 a.m. EDT MEMS & Nanotechnology, Acoustics & Vibrations, MEMS & Piezoelectric Devices, Materials, Modeling Tools & Definitions, Parameters, Variables, & Functions, Structural Mechanics Version 4.1 0 Replies
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I am trying to model a Surface acoustic wave device using Comsol 4.1.
I want to obtain the real and imaginary part of Y11 impedance so I can further process it.
So far, I was able to obtain the imaginary part. Instead, the real part is a straight line equal to 0(zero).
Has any of you managed to solve a similar problem?
Do I have to manually add some coefficients for damping?
Do I have to do anything special?
How important are the PMLs?
Thank you,
Catalin B.
Hello CatalinBotezatu
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