Experimental study of a single riser in waves and currents /

a single, flexible cylinder representative of a riser in 500

Bibliographic Details
Main Author: Guerandel, Vincent Louis Pierre, 1969-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:a single, flexible cylinder representative of a riser in 500
and drag coefficients were motivated. The riser simulations
and this established an alternative to strain gage
characterized separately before combined testing. The wave
consistently with previous mathematical models. The inline
current was superimposed onto the various waves conditions.
determine the cylinder tension and reaction forces. The
drift due to mass transport. The results obtained using this
envelopes, using a standard, two dimensional, finite element
experiments were conducted in the deepwater wave basin at the
experiments. The wave and current environments selected were
forcing due to waves. Additional terms were included into
in (1640 ft) of water. Realistic environmental conditions
measure the inline and transverse displacement fields of the
measurement which will prove valuable for future riser
model. The program is based on linear theory to obtain the
Morison's equation to account for current as well as mean
Offshore Technology Research Center (OTRC) at Texas A&M
reproduced response envelope trends quite accurately when
riser displacements were compared to predicted response
riser. Other standard instrumentation was also used to
simulation model were discussed and choices for added mass
spectra with and without the presence of current compared
tests provided unique data at large model scales. The
This research study focused on wave-current interaction with
underwater video tracking technique was developed to directly
University. As part of the experimental study, a new
validity of the underwater tracking methodology was assessed
wave kinematics and uses Morison's equation to model external
were based upon advise from the offshore industry. These
were obtained by combining wave and current conditions which
Item Description:"Major subject: Ocean Engineering".
Vita.
Physical Description:xii, 100 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.