2D Fourier Series Hybrid modes
of a Rectangular Membrane.
It can be difficult to get membranes to vibrate in normal modes.
more realistically they vibrate in combination modes which can
be represented as combinations of normal modes using the
2D Fourier Series. One possibility is hybrid modes which are
illustrated by the following equation.
The applet below show some hybrid modes.
gif images below show some of the possibilities.
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COPYRIGHT © 2007 Cuthbert A. Nyack.