Study of harbor resonance in future deployment of Taipei Harbor

Jaw Fang Lee, Yung Fang Chiu, Liang Sheng Ho, Jeng Hong Kao

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

As a precaution measure a boundary element model is applied to the future expansion deployment of Taipei Harbor to examine resonance phenomena. The boundary element model is developed based on linear wave theory of constant water depth, and solving for the Helmholtz equation. Three major incident wave directions, namely, NNE, N, and WNW, together with a broad spectrum of wave periods are considered. Realistic reflecting conditions on the problem boundaries are implemented in the calculation, so that numerical results reflect actual resonant wave frequencies. In order to clarify if resonant frequencies calculated numerically do exist, the in-situ observatory wave data, in particular typhoon wave, are also analyzed. From the present study, wave distribution inside Taipei Harbor for specific incident wave and direction, and variation of wave amplification versus wave period are obtained. With the considered wave reflecting condition, wave resonance seldom occurs within Taipei Harbor. However, at location of recreational boat berthing area resonance results are obvious. It is suggested that mitigation measures should be considered for safety reason.

Original languageEnglish
Title of host publicationThe Proceedings of the 19th (2009) International OFFSHORE AND POLAR ENGINEERING CONFERENCE
Pages1211-1215
Number of pages5
Publication statusPublished - 2009 Dec 1
Event19th (2009) International OFFSHORE AND POLAR ENGINEERING CONFERENCE - Osaka, Japan
Duration: 2009 Jun 212009 Jun 26

Publication series

NameProceedings of the International Offshore and Polar Engineering Conference
ISSN (Print)1098-6189
ISSN (Electronic)1555-1792

Other

Other19th (2009) International OFFSHORE AND POLAR ENGINEERING CONFERENCE
CountryJapan
CityOsaka
Period09-06-2109-06-26

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Ocean Engineering
  • Mechanical Engineering

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