This report details the derivation of an analytical model for a flexible membrane
wave barrier. The wave barrier consists of a thin flexible membrane suspended in the
water column by a moored cylindrical buoy on the free surface and fixed to a hinge at
the seafloor.
The analytical model combines the three-degree of freedom rigid body motion
of the cylindrical buoy with the two-dimensional analog of a vibrating string for the
response of the flexible membrane. Theoretical results for reflection and transmission
coefficients, dynamic mooring line tension, horizontal hinge force, horizontal and
vertical displacements and rotation of the cylindrical buoy are compared with measured
results presented by Bender(1989).
In general, the theoretical results compare favorably with measured results for
moored systems. However, additional studies are required to more precisely quantify
the added mass and radiation damping properties of flexible membranes in oscillating
flows. / Graduation date: 1991
| Identifer | oai:union.ndltd.org:ORGSU/oai:ir.library.oregonstate.edu:1957/37536 |
| Date | 02 May 1991 |
| Creators | Thompson, Gary O. |
| Contributors | Sollitt, Charles K. |
| Source Sets | Oregon State University |
| Language | en_US |
| Detected Language | English |
| Type | Thesis/Dissertation |
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