A REVIEW OF HYDRODYNAMIC ADDED MASS INERTIA OF VIBRATING SUBMERGED STRUCTURES

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Authors
  1. Slater, J.E.
Corporate Authors
Defence Research Establishment Atlantic, Dartmouth NS (CAN)
Abstract
The report is a review of the methods developed for predicting the hydrodynamic added mass inertia of vibrating structures floating or sub-merged in a fluid. The fluid surrounding a vibrating structure causes an apparent increase in the mass inertia of the structure, which substantially reduces the natural resonant frequencies and alters the dynamic response. The various methods consist of the three basic approaches; analytical, empirical and numerical. The report presents the merits and limitations of the methods by indicating their suitability to predict the added mass inertia effects of structures such as plates, foils, marine propellers and ship hulls.
Report Number
DREA-TM-84-F — Technical Memorandum
Date of publication
15 Apr 1984
Number of Pages
84
DSTKIM No
84-02593
CANDIS No
121964
Format(s):
Microfiche filmed at DSIS;Originator's fiche received by DSIS;Hardcopy;Document Image stored on Optical Disk

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