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Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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Rotation angles for SC-cut

Posted 2011年6月14日 GMT-4 11:50 Materials Version 3.5a 3 Replies

Alexandre Clairet
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Hello,

I try to simulate a SC-cut quartz resonator.
I use the "Rotation angle method" in the "Coordinate system settings" window to define the orientation but I am a bit confused about the consecutive angles. Should I write 34(x) | 0(y) | 22(z) or -34 | 0 | -22?

Thanks for your help.

Alexandre
3 Replies Last Post 2012年12月13日 GMT-5 04:16
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 2011年6月14日 GMT-4 16:39
Hi

try the coordiante plot possibilities to see the final coordinate orientation. YOu need to at least load your initial conditions to get the plot polulated (no need for a full solve)

Oups sorry that applies for V4, in 3.5 its a pain to check ;), I usually defined a force vector along x,y,z in the new coordinate and checked its direction

--
Good luck
Ivar
Hi try the coordiante plot possibilities to see the final coordinate orientation. YOu need to at least load your initial conditions to get the plot polulated (no need for a full solve) Oups sorry that applies for V4, in 3.5 its a pain to check ;), I usually defined a force vector along x,y,z in the new coordinate and checked its direction -- Good luck Ivar
Alexandre Clairet
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Posted: 1 decade ago 2011年6月15日 GMT-4 03:00
Hi Ivar,

Thanks for your help.
Hi Ivar, Thanks for your help.
Josiah Zhang
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Posted: 1 decade ago 2012年12月13日 GMT-5 04:16

Hello,

I try to simulate a SC-cut quartz resonator.
I use the "Rotation angle method" in the "Coordinate system settings" window to define the orientation but I am a bit confused about the consecutive angles. Should I write 34(x) | 0(y) | 22(z) or -34 | 0 | -22?

Thanks for your help.

Alexandre


Hi, I think the material system should be 34 | 0 | 22. I couldnt figure out why it should be so. But it works.
[QUOTE] Hello, I try to simulate a SC-cut quartz resonator. I use the "Rotation angle method" in the "Coordinate system settings" window to define the orientation but I am a bit confused about the consecutive angles. Should I write 34(x) | 0(y) | 22(z) or -34 | 0 | -22? Thanks for your help. Alexandre [/QUOTE] Hi, I think the material system should be 34 | 0 | 22. I couldnt figure out why it should be so. But it works.

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