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Experimental study of water wave int...

Nouri, Younes.

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Experimental study of water wave interactions with a layer of mud.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Experimental study of water wave interactions with a layer of mud./
Author:	Nouri, Younes.
Description:	204 p.
Notes:	Source: Dissertation Abstracts International, Volume: 74-11(E), Section: B.
Contained By:	Dissertation Abstracts International74-11B(E).
Subject:	Civil engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3572773
ISBN:	9781303395383

Experimental study of water wave interactions with a layer of mud.
Nouri, Younes.

Experimental study of water wave interactions with a layer of mud. - 204 p.

Source: Dissertation Abstracts International, Volume: 74-11(E), Section: B.

Thesis (Ph.D.)--The Johns Hopkins University, 2013.

This item is not available from ProQuest Dissertations & Theses.

Large rivers including the Mississippi and Amazon bring an immense amount of fine and cohesive sediments to their deltas and estuaries during floods. The fine sediments form large and sometimes transient patches of mud in the vicinity of coastlines that are referred to as "mud banks" or "mud holes" and move around due to waves, currents, and gravity. Water waves propagating over a layer of soft mud can be attenuated over a short distance of the order of a few wave lengths, Gade (1958). This attenuation cannot be simply explained by bottom friction, percolation and viscosity in contrast with propagation of waves over sandy or rocky seafloor. Despite recent advances on the topic, there is a lack of reliable laboratory as well as field data sets that can be used to verify the existing numerical and theoretical studies.

ISBN: 9781303395383Subjects--Topical Terms:

860360
Civil engineering.

Experimental study of water wave interactions with a layer of mud.
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020 $a 9781303395383
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100 1 $a Nouri, Younes. $3 3175785
245 1 0 $a Experimental study of water wave interactions with a layer of mud.
300 $a 204 p.
500 $a Source: Dissertation Abstracts International, Volume: 74-11(E), Section: B.
500 $a Adviser: Robert A. Dalrymple.
502 $a Thesis (Ph.D.)--The Johns Hopkins University, 2013.
506 $a This item is not available from ProQuest Dissertations & Theses.
506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a Large rivers including the Mississippi and Amazon bring an immense amount of fine and cohesive sediments to their deltas and estuaries during floods. The fine sediments form large and sometimes transient patches of mud in the vicinity of coastlines that are referred to as "mud banks" or "mud holes" and move around due to waves, currents, and gravity. Water waves propagating over a layer of soft mud can be attenuated over a short distance of the order of a few wave lengths, Gade (1958). This attenuation cannot be simply explained by bottom friction, percolation and viscosity in contrast with propagation of waves over sandy or rocky seafloor. Despite recent advances on the topic, there is a lack of reliable laboratory as well as field data sets that can be used to verify the existing numerical and theoretical studies.
520 $a A review of existing experimental studies was conducted to point out the strengths and deficiencies. Existing dispersion relationships for a Newtonian two-layer wave-mud system were compared and verified against available data obtained from physical modeling studies.
520 $a Rheological characteristics of an industrial clay as well as natural mud taken from the Gulf of Mexico were investigated. Stress-rate of strain relationships obtained from the study were compared with constitutive models previously proposed to represent behavior of water-mud mixtures.
520 $a Results of a small scale experimental study of decay of standing waves over a layer of mud are presented. Numerical simulation of the experiments is conducted and compared against the experimental results. The experiment provides a controllable platform for verification of existing wave-mud numerical and theoretical studies. A larger scale experiment was performed to examine attenuation of progressive waves propagating over a layer of mud in a wave tank.
520 $a Methods for decomposition of exponentially decaying waves into incident and reflected waves are proposed and tested against wave tank results.
590 $a School code: 0098.
650 4 $a Civil engineering. $3 860360
650 4 $a Ocean engineering. $3 660731
690 $a 0543
690 $a 0547
710 2 $a The Johns Hopkins University. $b Civil Engineering. $3 2094187
773 0 $t Dissertation Abstracts International $g 74-11B(E).
790 $a 0098
791 $a Ph.D.
792 $a 2013
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3572773