Computation of response functions based on the frequency-domain solution
Thesis (M.Eng.)--Memorial University of Newfoundland, 2009. Engineering and Applied Science Includes bibliographical references (leaves 52-53) Based on the Kramer-Kronig relations, the frequency-domain added mass and damping coefficients are transformed to the time-domain added mass and response fun...
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ftmemorialunivdc:oai:collections.mun.ca:theses4/43182 2023-05-15T17:23:33+02:00 Computation of response functions based on the frequency-domain solution Guo, Chao. Memorial University of Newfoundland. Faculty of Engineering and Applied Science 2009 ix, 53 leaves : ill. Image/jpeg; Application/pdf http://collections.mun.ca/cdm/ref/collection/theses4/id/43182 Eng eng Electronic Theses and Dissertations (5.49 MB) -- http://collections.mun.ca/PDFs/theses/Guo_Chao.pdf a3242488 http://collections.mun.ca/cdm/ref/collection/theses4/id/43182 The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. Paper copy kept in the Centre for Newfoundland Studies, Memorial University Libraries Ocean waves--Mathematical models Offshore structures--Hydrodynamics Ships--Hydrodynamics Text Electronic thesis or dissertation 2009 ftmemorialunivdc 2015-08-06T19:21:57Z Thesis (M.Eng.)--Memorial University of Newfoundland, 2009. Engineering and Applied Science Includes bibliographical references (leaves 52-53) Based on the Kramer-Kronig relations, the frequency-domain added mass and damping coefficients are transformed to the time-domain added mass and response function by applying a semi-analytical method (Cao, 2008) which has significant improvement over the conventional methods, such as the Fast Fourier Transform (FFT) method. In this thesis, with the assumption of infinite depth water, heave added mass and damping coefficients of a floating hemisphere, a Wigley hull and a Liquefied Natural Gas (LNG) carrier have been computed by using the Motion Analysis Program Suite (MAPS), a program based on the panel-free method for the accurate computation of wave-body interactions in the frequency-domain. Validation studies are presented by comparing the response function based on the frequency-domain solutions by a semi-analytical method with the solutions of Qiu (2001). The accuracy of the method is also demonstrated by comparing the recovery of added mass and damping based on the computed response functions. Thesis Newfoundland studies University of Newfoundland Memorial University of Newfoundland: Digital Archives Initiative (DAI) Kramer ENVELOPE(-64.017,-64.017,-65.447,-65.447) |
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Memorial University of Newfoundland: Digital Archives Initiative (DAI) |
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ftmemorialunivdc |
language |
English |
topic |
Ocean waves--Mathematical models Offshore structures--Hydrodynamics Ships--Hydrodynamics |
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Ocean waves--Mathematical models Offshore structures--Hydrodynamics Ships--Hydrodynamics Guo, Chao. Computation of response functions based on the frequency-domain solution |
topic_facet |
Ocean waves--Mathematical models Offshore structures--Hydrodynamics Ships--Hydrodynamics |
description |
Thesis (M.Eng.)--Memorial University of Newfoundland, 2009. Engineering and Applied Science Includes bibliographical references (leaves 52-53) Based on the Kramer-Kronig relations, the frequency-domain added mass and damping coefficients are transformed to the time-domain added mass and response function by applying a semi-analytical method (Cao, 2008) which has significant improvement over the conventional methods, such as the Fast Fourier Transform (FFT) method. In this thesis, with the assumption of infinite depth water, heave added mass and damping coefficients of a floating hemisphere, a Wigley hull and a Liquefied Natural Gas (LNG) carrier have been computed by using the Motion Analysis Program Suite (MAPS), a program based on the panel-free method for the accurate computation of wave-body interactions in the frequency-domain. Validation studies are presented by comparing the response function based on the frequency-domain solutions by a semi-analytical method with the solutions of Qiu (2001). The accuracy of the method is also demonstrated by comparing the recovery of added mass and damping based on the computed response functions. |
author2 |
Memorial University of Newfoundland. Faculty of Engineering and Applied Science |
format |
Thesis |
author |
Guo, Chao. |
author_facet |
Guo, Chao. |
author_sort |
Guo, Chao. |
title |
Computation of response functions based on the frequency-domain solution |
title_short |
Computation of response functions based on the frequency-domain solution |
title_full |
Computation of response functions based on the frequency-domain solution |
title_fullStr |
Computation of response functions based on the frequency-domain solution |
title_full_unstemmed |
Computation of response functions based on the frequency-domain solution |
title_sort |
computation of response functions based on the frequency-domain solution |
publishDate |
2009 |
url |
http://collections.mun.ca/cdm/ref/collection/theses4/id/43182 |
long_lat |
ENVELOPE(-64.017,-64.017,-65.447,-65.447) |
geographic |
Kramer |
geographic_facet |
Kramer |
genre |
Newfoundland studies University of Newfoundland |
genre_facet |
Newfoundland studies University of Newfoundland |
op_source |
Paper copy kept in the Centre for Newfoundland Studies, Memorial University Libraries |
op_relation |
Electronic Theses and Dissertations (5.49 MB) -- http://collections.mun.ca/PDFs/theses/Guo_Chao.pdf a3242488 http://collections.mun.ca/cdm/ref/collection/theses4/id/43182 |
op_rights |
The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. |
_version_ |
1766113236193640448 |