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6<br />
Geometry & Mesh <strong>of</strong> Structure<br />
© 2011 ANSYS, Inc. November 22,<br />
2011<br />
The geometry <strong>of</strong> the speaker in an enclosure is<br />
shown below. Note that ¼ symmetry is used:<br />
For the speaker, forces are<br />
exerted on the voicecoil,<br />
causing it to move.<br />
The voicecoil moves the cone<br />
which is what displaces the<br />
air to produce sound.<br />
The surround and spider<br />
connect and stabilize the cone<br />
to the rigid frame.
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