Clarke Regression

Discussion in 'Hydrodynamics and Aerodynamics' started by shipinteraction, Mar 5, 2014.

  1. shipinteraction
    Joined: Feb 2014
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    shipinteraction Junior Member

    Can anybody on here explain the following coefficients or point me in a direction where they are explained?

    Yv'
    Yr'
    Nv'
    Nr'

    These four all have dots over the second letter however I am unsure how to do this on here.

    Yv'
    Yr'
    Nv'
    Nr'

    Thank you in advance.
     
  2. NavalSArtichoke
    Joined: Oct 2013
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    Location: GulfCoast

    NavalSArtichoke Senior Member

    These are some of the so-called 'directional derivatives' which are used to analyze ship maneuvering characteristics. The directional stability of a ship design is one of the areas which must be assessed by model tests or trials of full-size vessels.

    Some of the theory of ship maneuvering is explained in Principles of Naval Architecture, Vol. III (1988), which also presents a list of these quantities and their definitions.
     
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