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Non-linear dynamic response of tensi...

Mekha, Basim Behnam.

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Non-linear dynamic response of tension leg platforms.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Non-linear dynamic response of tension leg platforms./
作者:	Mekha, Basim Behnam.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 1994,
面頁冊數:	290 p.
附註:	Source: Dissertations Abstracts International, Volume: 56-12, Section: B.
Contained By:	Dissertations Abstracts International56-12B.
標題:	Civil engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9519350

Non-linear dynamic response of tension leg platforms.
Mekha, Basim Behnam.

Non-linear dynamic response of tension leg platforms. - Ann Arbor : ProQuest Dissertations & Theses, 1994 - 290 p.

Source: Dissertations Abstracts International, Volume: 56-12, Section: B.

Thesis (Ph.D.)--The University of Texas at Austin, 1994.

This item must not be sold to any third party vendors.

A general procedure for time domain two-dimensional nonlinear dynamic analysis of Tension Leg Platform (TLP) models including a variety of nonlinear effects has been developed. Morison's equation with several modifications allowing to include or neglect various sources of nonlinearities are implemented and used in the time domain dynamic analysis. A single cylinder, several cylinders and TLP hulls with and without pontoons are studied subjected to regular and irregular waves. The models are floating or connected to the sea floor by tendons. The tendons are assumed to be massless elastic springs, allowing for time varying tension forces. The nonlinearities investigated are those associated with the wave kinematics, hydrodynamic forces and structural geometry. The time histories and the corresponding spectral densities, obtained using Fast Fourier Transform, for the motions of the three degrees of freedom (surge, heave and pitch) as well as for the tendon forces are presented and discussed. The contributions of the low and high frequency response components of the TLPs to the surge amplitude and mean drift and to the limits (maximum and minimum) of the tendon forces, are evaluated. The relations between some of the structural and wave parameters are also examined.Subjects--Topical Terms:

860360
Civil engineering.
Subjects--Index Terms:

nonlinear dynamics

Non-linear dynamic response of tension leg platforms.
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100 1 $a Mekha, Basim Behnam. $3 3546595
245 1 0 $a Non-linear dynamic response of tension leg platforms.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 1994
300 $a 290 p.
500 $a Source: Dissertations Abstracts International, Volume: 56-12, Section: B.
500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisor: Roesset, Jose M.;Johnson, C. Philip.
502 $a Thesis (Ph.D.)--The University of Texas at Austin, 1994.
506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a A general procedure for time domain two-dimensional nonlinear dynamic analysis of Tension Leg Platform (TLP) models including a variety of nonlinear effects has been developed. Morison's equation with several modifications allowing to include or neglect various sources of nonlinearities are implemented and used in the time domain dynamic analysis. A single cylinder, several cylinders and TLP hulls with and without pontoons are studied subjected to regular and irregular waves. The models are floating or connected to the sea floor by tendons. The tendons are assumed to be massless elastic springs, allowing for time varying tension forces. The nonlinearities investigated are those associated with the wave kinematics, hydrodynamic forces and structural geometry. The time histories and the corresponding spectral densities, obtained using Fast Fourier Transform, for the motions of the three degrees of freedom (surge, heave and pitch) as well as for the tendon forces are presented and discussed. The contributions of the low and high frequency response components of the TLPs to the surge amplitude and mean drift and to the limits (maximum and minimum) of the tendon forces, are evaluated. The relations between some of the structural and wave parameters are also examined.
590 $a School code: 0227.
650 4 $a Civil engineering. $3 860360
650 4 $a Ocean engineering. $3 660731
653 $a nonlinear dynamics
653 $a waves
690 $a 0543
690 $a 0547
710 2 $a The University of Texas at Austin. $3 718984
773 0 $t Dissertations Abstracts International $g 56-12B.
790 $a 0227
791 $a Ph.D.
792 $a 1994
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9519350