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Article: Mathematical model study of tidal circulation in Tolo Harbour, Hong Kong: development and verification of a semi-implicit finite element scheme

TitleMathematical model study of tidal circulation in Tolo Harbour, Hong Kong: development and verification of a semi-implicit finite element scheme
Authors
Issue Date1986
Citation
Proceedings of The Institution of Civil Engineers (London), 1986, v. 81 pt 2, p. 569-592 How to Cite?
AbstractThe tidal circulation in Tolo Harbor, Hong Kong, is computed by a newly developed semi-implicit finite element model. The accuracy and efficiency of the unconditionally stable time-stepping scheme are confirmed by a detailed Fourier analysis and extensive tests against analytical solutions of long wave propagation in basins of varying lateral topography and bottom bathymetry. With M//2 tidal forcing at the seaward (open) boundary, the model is capable of reproducing the near standing wave and characteristic circulation in the bay. Computed velocities and elevations are also validated against good quality field data in a verification study. It is found that accurate input tides at the seaward boundary of the model are needed to simulate the propagation of the complex shallow water tides in the study area. The correctly simulated tidal phase lag between the open boundary and inshore is found to be at variance with data in published tide tables.
Persistent Identifierhttp://hdl.handle.net/10722/149890
ISSN

 

DC FieldValueLanguage
dc.contributor.authorLi, CWen_HK
dc.contributor.authorLee, JHWen_HK
dc.contributor.authorCheung, YKen_HK
dc.date.accessioned2012-06-26T06:00:23Z-
dc.date.available2012-06-26T06:00:23Z-
dc.date.issued1986en_HK
dc.identifier.citationProceedings of The Institution of Civil Engineers (London), 1986, v. 81 pt 2, p. 569-592en_HK
dc.identifier.issn0020-3262en_HK
dc.identifier.urihttp://hdl.handle.net/10722/149890-
dc.description.abstractThe tidal circulation in Tolo Harbor, Hong Kong, is computed by a newly developed semi-implicit finite element model. The accuracy and efficiency of the unconditionally stable time-stepping scheme are confirmed by a detailed Fourier analysis and extensive tests against analytical solutions of long wave propagation in basins of varying lateral topography and bottom bathymetry. With M//2 tidal forcing at the seaward (open) boundary, the model is capable of reproducing the near standing wave and characteristic circulation in the bay. Computed velocities and elevations are also validated against good quality field data in a verification study. It is found that accurate input tides at the seaward boundary of the model are needed to simulate the propagation of the complex shallow water tides in the study area. The correctly simulated tidal phase lag between the open boundary and inshore is found to be at variance with data in published tide tables.en_HK
dc.languageengen_US
dc.relation.ispartofProceedings of the Institution of Civil Engineers (London)en_HK
dc.titleMathematical model study of tidal circulation in Tolo Harbour, Hong Kong: development and verification of a semi-implicit finite element schemeen_HK
dc.typeArticleen_HK
dc.identifier.emailLee, JHW: hreclhw@hku.hken_HK
dc.identifier.emailCheung, YK: hreccyk@hkucc.hku.hken_HK
dc.identifier.authorityLee, JHW=rp00061en_HK
dc.identifier.authorityCheung, YK=rp00104en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0022910216en_HK
dc.identifier.scopuseid_2-s2.0-18244429288-
dc.identifier.volume81en_HK
dc.identifier.issuept. 2en_HK
dc.identifier.spage569en_HK
dc.identifier.epage592en_HK
dc.identifier.scopusauthoridLi, CW=7501676266en_HK
dc.identifier.scopusauthoridLee, JHW=36078318900en_HK
dc.identifier.scopusauthoridCheung, YK=7202111065en_HK

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