external wave

external wave

[ek¦stərn·əl ′wāv]
(fluid mechanics)
A wave in fluid motion having its maximum amplitude at an external boundary such as a free surface.
Any surface wave on the free surface of a homogeneous incompressible fluid is an external wave.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Hence, the water surface in the center of the column rises and falls with the same period as that of the external wave.
This is due to the additional force of the external wave acting on the plasma, which is altering the rotation of the electrons with respect to the one induced solely by the magnetic field.
Data used to characterize the external wave regime affecting the study area were supplied by the ODIN programme (SMC) and obtained from the Bilbao external buoy records (Spanish Port Network; http://www.puertos.es/).
The critical contributions of Schelkunoff were to formulate transmission through a wall -- long before the Radiation Laboratory work -- and to recognize that near-field effects could be subsumed into the external wave impedance [Z.sub.wave].
The top of each panel was continuously welded to the existing structure to resist the external wave force from storms and to hold its own weight.
If we cannot shape the future ourselves, we must position to ride the external waves that will.
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