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Rotation angles for SC-cut

Posted 14 giu 2011, 11:50 GMT-4 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 13 dic 2012, 04:16 GMT-5
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 14 giu 2011, 16:39 GMT-4
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 15 giu 2011, 03:00 GMT-4
Hi Ivar,

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

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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