This chapter defines resistance in the context of ship hydrodynamics and explores possible subdivisions to better understand how characteristics of the ship and the fluid contribute to the resultant force. Phenomenological and practical subdivision of resistance do not lend themselves to numerical evaluations of the resistance. For this purpose people need a subdivision which closely follows the physics of fluid mechanics and the mathematical models used to capture the kinematic and dynamic relationships of flow properties. In general, three generic types of forces act on any moving body: inertia forces, body forces, and surface forces. Three resistance components stand out from the discussion of possible subdivisions of the ship resistance: frictional resistance, viscous pressure resistance, and wave resistance. Subdivisions of the resistance provide insight into how vessel speed and form contribute to the overall resistance. Naval architects have to be mindful of the contributions to the resistance so that design efforts can be properly prioritized.
Ship Resistance
2019-05-06
16 pages
Article/Chapter (Book)
Electronic Resource
English
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