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무인쌍동선의 선체 간격에 따른 유체동역학적 특성 비교Study on the Effect of Catamaran Hull Spacing on Hydrodynamic Characteristics
- Other Titles
- Study on the Effect of Catamaran Hull Spacing on Hydrodynamic Characteristics
- Issue Date
- 12월-2025
- Publisher
- 대한조선학회
- Keywords
- Catamaran(쌍동선); Hull spacing(선체 간격); Hydrodynamic Characteristics(유체동역학 특성); AdFLOW(애드플로우); Ocean Engineering Basin(해양공학수조)
- Citation
- 대한조선학회 논문집, v.62, no.6, pp 424 - 434
- Pages
- 11
- Journal Title
- 대한조선학회 논문집
- Volume
- 62
- Number
- 6
- Start Page
- 424
- End Page
- 434
- ISSN
- 1225-1143
2287-7355
- Abstract
- In this study, the hydrodynamic characteristics of a catamaran under zero-speed conditions are investigated with respect to variations in hull spacing. The seakeeping performance of USV catamaran is first analyzed using the frequency-domain analysis program AdFLOW, developed by KRISO, and the numerical results are validated against model test data. The hydrodynamic coefficients are then calculated to examine the influence of the inner free surface. The effects of the resonant modes of the inner free surface and the associated wave field around the catamaran are discussed in detail. Finally, the motion responses of the catamaran are evaluated and compared for different hull spacings and wave directions, providing insights into the hydrodynamic interference between twin hulls.
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