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    Investigation of a method for predicting AUV derivatives

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    Ocean_Eng_35_1627.pdf (706.0Kb)
    Date
    2008
    Author
    Barros, E.A. de
    Pascoal, A.
    Desa, E.S.
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    Abstract
    The paper addresses the problem of autonomous underwater vehicle (AUV) modelling and parameter estimation as a means to predict the dynamic performance of underwater vehicles and thus provide solid guidelines during their design phase. The use of analytical and semi-empirical (ASE) methods to estimate the hydrodynamic derivatives of a popular class of AUVs is discussed. A comparison is done with the results obtained by using computational fluid dynamics to evaluate the bare hull lift force distribution around a fully submerged body. An application is made to the estimation of the hydrodynamic derivatives of the MAYA AUV, an autonomous underwater vehicle developed under a joint Indian-Portuguese project. The estimates obtained were used to predict the turning diameter of the vehicle during sea trials.
    URI
    http://drs.nio.org/drs/handle/2264/1492
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