Published: Jan 1958
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The remarkable fact that an infinite number of distinct modes of vibration can be generated in plates was first brought to light around 1916 by Horace Lamb. Lamb was led to this conclusion by theoretically analyzing the behavior of waves in elastic plates. His treatment was entirely mathematical, however, and it was not until about 1950, when his work was studied by Firestone and Ling, that a method was devised for actually generating this type of plate vibration. Subsequent to the sucess of these latter workers in confirming Lamb's analysis, these waves have come to be known as Lamb waves.
Worlton, D. C.
Vallecitos Atomic Laboratory, General Electric Co., Pleasanton, Calif.