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| LEADER |
00000ctm a2200000Ka 4500 |
| 001 |
in00001675607 |
| 005 |
20190325103111.0 |
| 008 |
020430s2001 xx a b 000 0 eng d |
| 035 |
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|a (OCoLC)ocm49693759
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| 037 |
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|a 30-20002
|b UMI
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| 040 |
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|a TXA
|c TXA
|d UtOrBLW
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| 049 |
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|a TXAM
|a TXAR
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| 099 |
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|a 2001
|a Dissertation
|a A72
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| 100 |
1 |
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|a Arcandra,
|d 1970-
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| 245 |
1 |
0 |
|a Hull/mooring/riser coupled dynamic analysis of a deepwater floating platform with polyester lines /
|c by Arcandra.
|
| 264 |
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1 |
|a [Place of publication not identified] :
|b [publisher not identified] ;
|c 2001.
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| 300 |
|
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|a xiv, 202 leaves :
|b illustrations ;
|c 28 cm.
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| 336 |
|
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|a text
|b txt
|2 rdacontent
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| 337 |
|
|
|a unmediated
|b n
|2 rdamedia
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| 338 |
|
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|a volume
|b nc
|2 rdacarrier
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| 502 |
|
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|b Ph. D.
|c Texas A&M University
|d 2001.
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| 504 |
|
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|a Includes bibliographical references (leaves 194-199).
|
| 500 |
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|a Vita.
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| 500 |
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|a "Major Subject: Ocean Engineering".
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| 530 |
|
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|a Issued also on microfiche from University Microfilm Inc.
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| 520 |
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|a Two computer programs, WINPOST-FPSO and WINPOST-POLY, are developed for hull/mooring/riser coupled dynamic analysis of a deepwater floating platform in waves, winds, and currents. WINPOST-FPSO is developed for the coupled dynamic analysis for a turret moored FPSO (Floating Production Storage and Offloading). The program is extended from the current coupled dynamic analysis program WINPOST by adding the capability of a large-angle rotation about the vertical axis (yaw rotation). WINPOST-POLY is developed to perform coupled dynamic analyses with polyester mooring lines that allow large strain and nonlinear stress-strain relationships. In these two programs, the floating platform is modeled as a rigid body with six degrees of freedom. The first- and second-order wave forces, added mass, and radiation damping are calculated from the hydrodynamics program WAMIT. The wind and current forces in WINPOST-FPSO are modeled following the method suggested by OCIMF (Oil Company International Marine Forum). The mooring line dynamics are modeled using a rod theory and finite element method, with the governing equations described in a generalized coordinate system. A complete derivation of rod theory for polyester lines is presented. The dynamic modulus of polyester is modeled following a regression formula derived by Bosman and Hooker (1999), which is based on experimental data and depends on loading conditions. The effect of large elongation and nonlinear stress-strain relations are separately assessed. The nonlinear coupled responses of a turret-moored FPSO in a 100-year hurricane condition (non-collinear winds, waves, and currents) are investigated, and the results are compared with those from MARIN's computation and experiment. The statistical nature of the responses is also studied. A comprehensive sensitivity/parametric study is conducted to figure out the role of each hydrodynamics parameter. The numerical predictions in time domain of a spar and a tensioning buoy with polyester lines are carried out and the results with WINPOST-POLY are systematically compared with those from the original program WINPOST. Both the large elongation assumption and the time dependent modulus have a significant effect on the tension and motion. The statistics of the two programs are also studied.
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| 650 |
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4 |
|a Major ocean engineering.
|
| 856 |
4 |
1 |
|u http://proxy.library.tamu.edu/login?url=http://proquest.umi.com/pqdweb?did=725921241&sid=1&Fmt=2&clientId=2945&RQT=309&VName=PQD
|t 0
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| 948 |
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|a cataloged
|b h
|c 2002/4/30
|d c
|e eneff
|f 2:23:37 pm
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| 994 |
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|a E0
|b TXA
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| 999 |
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|a MARS
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|i daf695af-020b-394d-9818-639ffb791812
|t 0
|
| 952 |
f |
f |
|p noncirc
|a Texas A&M University
|b College Station
|c Cushing Memorial Library & Archives
|s cush tdrm
|d Cushing: Theses & Dissertations Microforms (Does not check out)
|t 0
|e 2001 Dissertation A72
|h Other scheme
|i unmediated -- volume
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| 952 |
f |
f |
|a Texas A&M University
|b College Station
|c Electronic Resources
|s www_evans
|d Available Online
|t 0
|e 2001 Dissertation A72
|h Other scheme
|
| 998 |
f |
f |
|a 2001 Dissertation A72
|t 0
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|
| 998 |
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|a 2001 Dissertation A72
|t 0
|l Cushing: Theses & Dissertations Microforms (Does not check out)
|