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On the Lagrange's method for floating bodies

Lookup NU author(s): Keyvan Sadeghi

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Abstract

It is shown that, in the context of a linear theory, all fluid radiation actions on a floating body can be solely represented by a part of the fluid mechanical energy corresponding to the wetted surface of the body. In this regard, it is indicated that the linear radiation damping can be expressed by a fluid kinetic energy which has a bilinear form. Then from the Lagrange's equations of motion, an equation of motion is derived that is called the conjugate Larange's equation of motion. A variant of Hamilton's principle is also introduced as the variational generator of the conjugate Lagrange's equation of motion. Copyright © 2006 by ASME.

Publication metadata

Author(s): Sadeghi K

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 25th International Conference on Offshore Mechanics and Arctic Engineering (OMAE)

Year of Conference: 2006

Pages: 567-573

Publisher: ASME Digital Library

URL: http://dx.doi.org/10.1115/OMAE2006-92511

DOI: 10.1115/OMAE2006-92511

Library holdings: Search Newcastle University Library for this item

ISBN: 0791837777

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