. Elements of acoustical engineering. Electro-acoustics; Sound. fri= [21=(01 f3i= fi2= f2a=a74fo fi3=ll,9foi Fig. Modes of vibration of a clamped circular plate. Shaded segments are displaced in opposite phase to unshaded. The fundamental frequency is with the circumference as a node and a maximum displacement at the center. The frequency of the next two overtones with nodal circles. Fig. and , are, /02 = /o3 = The frequencies of the first, second and third overtones with nodal diame- ters are /n = fn = /31 = The
. Elements of acoustical engineering. Electro-acoustics; Sound. fri= [21=(01 f3i= fi2= f2a=a74fo fi3=ll,9foi Fig. Modes of vibration of a clamped circular plate. Shaded segments are displaced in opposite phase to unshaded. The fundamental frequency is with the circumference as a node and a maximum displacement at the center. The frequency of the next two overtones with nodal circles. Fig. and , are, /02 = /o3 = The frequencies of the first, second and third overtones with nodal diame- ters are /n = fn = /31 = These nodes are shown in Figs. , 3AE and ^.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Olson, Harry Ferdinand, 1901-. New York, D. Van Nostrand company, inc.
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