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A Review of Added Mass and Fluid Inertial Forces

Brennen, C. E. (1982) A Review of Added Mass and Fluid Inertial Forces. Department of the Navy , Port Hueneme, CA, USA. http://resolver.caltech.edu/CaltechAUTHORS:BREncel82

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Abstract

This report reviews the existing state of knowledge concerning the evaluation of the forces imposed on a body in a fluid due to acceleration of either the body or the fluid. It concentrates on those fluid inertial forces due to acceleration rather than on the drag/lift forces due to steady motion. The first part of the report presents a survey of the analytical background including the definition of added mass, the structure of the added mass matrix and other effects such as the influence of viscosity, fluid compressibility and the proximity of solid and free surface boundaries. Then the existing data base from experiments and potential flow calculations is reviewed. Approximate empirical methods for bodies of complex geometry are explored in a preliminary way. The possible dramatic effects of the proximity of the ocean bottom are further highlighted. The confused state of affairs regarding the possibly major effects of viscosity in certain regimes of frequency and Reynolds number is discussed. Finally a number of recommendations stemming from ocean engineering problems are put forward.


Item Type:Report or Paper (Technical Report)
Additional Information:Report Number CR 82.010. Contract Number N62583-81-MR-554
Subject Keywords:Fluid mechanics, Fluid-structure interaction, Added mass, Fluid inertial forces, Ocean engineering
Record Number:CaltechAUTHORS:BREncel82
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:BREncel82
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:233
Collection:CaltechAUTHORS
Deposited By: Christopher Brennen
Deposited On:13 Dec 2004
Last Modified:26 Dec 2012 08:39

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