Investigation Of Numerical Wave Channel Concerning
Absorbing Boundary
Author(s)
R.S. Shih, C.R. Chou, W.Y. Han
Abstract
Investigation of numerical wave channel
concerning absorbing boundary
R. S. Shih\ C. R. Choi/ & W. Y.
* Department of Civil Engineering, Tung Nan Institute of Technology,
Taiwan.
'Department of Harbor and River Engineering,
/ q/^gncw/fwre,
Abstract
Dissipating technics such as sponges, absorbing beaches had become an
interesting technique for the simulations of numerical wave tank, recently. The
simulation of a two dimensional wave tank considering absorbing boundary are
investigated in this study by means of boundary element method. With the time
histories of water elevation measured by a pseudo wave gage, the absorption
coefficient /^ was verified by studying the case of solitary wave propagating over
the water tank with a sponge zone fixed behind, where the sponge zone was
divided into a smoothly varied //area and a constant //area. The purpose is to
adopt an optimum combination of absorption coefficient and sponge length to
minimize the reflection
Keywords
Related Book
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