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Thermal stress for piezoelectric material

Posted 2014年1月7日 GMT-5 00:49 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 2015年8月29日 GMT-4 01:15
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Hello Saranya Mani

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Arshath Raja
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Posted: 1 decade ago 2014年2月11日 GMT-5 09:43
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 2014年2月19日 GMT-5 00:46
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 2015年8月29日 GMT-4 01:15
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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