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Abstract: There is a
need for new technology to perform high resolution site characterization in subsea
environments to support construction of offshore wind turbine foundations. The size and
location of boulders across an offshore wind plot are crucial to the planning phase of
these projects. Current site characterization techniques make use of high energy
pressure waves in the water column,... read morewhich are believed to harm the hearing of marine
wildlife. In the Tufts Structures Lab an experimental setup has been built to test the
use of localized waves with lower energies for conducting subsurface investigations. The
electo-mechanical system consists of wave generation devices and transducers interfaced
with sand. Two wave generation methods were developed, and responses were recorded by
multiple subsurface transducers. Methods were compared based on wave velocities,
polarization, and attenuation of energy through a 1-meter diameter tank filled with
coarse sand.
Thesis (M.S.)--Tufts University,
2018.
Submitted to the Dept. of Mechanical
Engineering.
Advisor: Douglas
Matson.
Committee: John Germaine, and Laurie
Baise.
Keywords: Mechanical engineering, Civil
engineering, and Geophysical
engineering.read less
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