Shallow waters resistance of an accelerating ship

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This paper investigates the acceleration resistance of a vessel in shallow waters
using potential flow and CFD methods. Results indicated a pronounced resistance peak near the critical depth Froude number. The peak's location and magnitude were sensitive to acceleration intensity and water depth. Excellent agreement between potential flow and CFD methods was found in low and high depth Froude number ranges, suggesting their effectiveness and cost-efficiency. However, non-linear effects affected the resistance peak's magnitude and position, leading to slight disagreements between the methods. The solver's variation was observed to be sensitive to the investigated parameters.
Original languageEnglish
Number of pages15
Publication statusPublished - 1 Sept 2023
EventThe 12th International Workshop on Ship and Marine Hydrodynamics - Espoo, Finland
Duration: 28 Aug 20231 Sept 2023


ConferenceThe 12th International Workshop on Ship and Marine Hydrodynamics
Abbreviated titleIWSH2023
Internet address


  • acceleration resistance
  • shallow water
  • potential flow
  • CFD (computational fluid dynamic)


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