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Thermal stress for piezoelectric material

Posted Jan 7, 2014, 12:49 a.m. EST Modeling Tools & Definitions, Parameters, Variables, & Functions, Structural Mechanics 3 Replies

Saranya Mani
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Can anyone tell me that how can i apply thermal stress to piezoelectric material so that I can couple heat transfer and Piezoelectric Devices?
3 Replies Last Post Aug 29, 2015, 1:15 a.m. EDT
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Hello Saranya Mani

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Arshath Raja
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Posted: 1 decade ago Feb 11, 2014, 9:43 a.m. EST
im just a beginner in comsol.
try this
use two models thermal stress and PZD
using ts change the temperature therby u can see change in displacement therfore piezoresistance can be calculated
im just a beginner in comsol. try this use two models thermal stress and PZD using ts change the temperature therby u can see change in displacement therfore piezoresistance can be calculated
Saranya Mani
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Posted: 1 decade ago Feb 19, 2014, 12:46 a.m. EST
yes... but i wanted to apply it directly. in linear elastic material, the option for thermal stress is already available but when piezoelectric devices is used, this option is not available. May be I should go for equations based on stress and input it into piezoelectric devices.
yes... but i wanted to apply it directly. in linear elastic material, the option for thermal stress is already available but when piezoelectric devices is used, this option is not available. May be I should go for equations based on stress and input it into piezoelectric devices.
Peter Bishay
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Posted: 9 years ago Aug 29, 2015, 1:15 a.m. EDT
Did you figure out how to couple thermal stress with piezoelectric devices? I am also interested to know how this can be done on COMSOL. Thanks
Did you figure out how to couple thermal stress with piezoelectric devices? I am also interested to know how this can be done on COMSOL. Thanks

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