Research Article
Apr 1976
Verification of Hydroelastic Similitude Criteria
Author: Otto HaszpraAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 102, Issue 4
Abstract
When modeling flow-induced vibrations of hydraulic structures, in most cases the similitude of the inertial, elastic, and gravitational forces must be ensured according to the Froude law, but sometimes the gravitational force can be neglected. The paper treats the most important scale ratios. The systematic experimental verification gives instructions on the applicable geometrical scale and the reliability of the prototype data determined from the model. The error of the frequencies was within —10%, while that of the amplitudes hardly attained -50%. The internal damping of the model material influenced the results, but in comparison with the effect of the water damping it could be neglected.
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Published In
Journal of the Hydraulics Division
Volume 102 • Issue 4 • April 1976
Pages: 469 - 481
Copyright
© 1976 American Society of Civil Engineers.
History
Published in print: Apr 1976
Published online: Feb 3, 2021
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Affiliations
Otto Haszpra
Head, Hydromechanics Dept., VITUKI (Research Inst. for Water Resources Development), Budapest, Hungary; formerly, V1s1tmg Research Engr., Inst. of Hydraulic Research, Iowa City, Iowa
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.