Structure-induced sediment scour potential near a rectangular structure due to waves

STANDARD VIEW

MARC VIEW


	Permanent Link:	http://ufdc.ufl.edu/UF00078621/00001

Material Information
	Title:	Structure-induced sediment scour potential near a rectangular structure due to waves
	Series Title:	UFLCOEL
	Physical Description:	xvi, 120 leaves : ill. ; 28 cm.
	Language:	English
	Creator:	Karunamuni, Anura J., 1954- ( Dissertant ) Sheppard, D. Max ( Thesis advisor ) University of Florida -- Coastal and Oceanographic Engineering Dept
	Publisher:	Coastal & Oceanographic Engineering Dept., University of Florida
	Place of Publication:	Gainesville, Fla.
	Publication Date:	1991
	Copyright Date:	1991

Subjects
	Subjects / Keywords:	Sediment transport ( lcsh ) Scour (Hydraulic engineering) ( lcsh ) Water waves ( lcsh ) Coastal and Oceanographic Engineering thesis M.S ( local ) Dissertations, Academic -- Coastal and Oceanographic Engineering -- UF ( local )
	Genre:	government publication (state, provincial, terriorial, dependent) ( marcgt ) bibliography ( marcgt ) theses ( marcgt ) non-fiction ( marcgt )

Notes
	Abstract:	The problem of structure-induced sediment scour has been a subject of increasing importance in numerous branches of civil engineering. The problem considered here is the potential for sediment scour in the vicinity of a rectangular, partially submerged fixed structure separated from the bottom by a gap and exposed to two-dimensional monochromatic waves. A potential flow solution for the flow field in the vicinity of the structure is obtained using linear wave theory. In order to simplify the solution method, the flow field is divided into three regions; flow upstream of the structure, flow below the structure and flow downstream of the structure. A dimensional analysis of the problem was carried out in order to obtain the pertinent dimensionless groups. The solution procedure includes solving Laplace’s equation and applying the standard bottom and free surface boundary conditions together with the continuity of pressure and velocity conditions at the interregional boundaries. Satisfaction of the boundary conditions results in a system of simultaneous algebraic equations with complex coefficients. This set of equations is solved numerically. Wave reflection and transmission coefficients were computed as part of this work and compared with the results of other theoretical studies. The ratio of maximum bottom velocities under the structure to the maximum velocity under the incident wave was computer for a range of structure parameters and wave conditions. Laboratory experiments were conducted where incident, reflected and transmitted wave heights along with flow velocities beneath he structure were measured and the results compared with the theoretically predicted values. The results give an indication of the sediment scour potential as a function of the structure and wave parameters.
	Thesis:	Thesis (M.S.)--University of Florida, 1991.
	Bibliography:	Includes bibliographical references (leaf 89).
	Statement of Responsibility:	by Anura J. Karunamuni.
	General Note:	"UFL/COEL-91/007."
	Funding:	This publication is being made available as part of the report series written by the faculty, staff, and students of the Coastal and Oceanographic Program of the Department of Civil and Coastal Engineering.

Record Information
	Bibliographic ID:	UF00078621
	Volume ID:	VID00001
	Source Institution:	University of Florida
	Rights Management:	All rights reserved by the source institution and holding location.
	Resource Identifier:	oclc - 24654452

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MILLISECOND

CLASS.METHOD

MESSAGE

sobekcm_page_globals.constructor

Application State validated or built

sobekcm_database.verify_item_lookup_object

sobekcm_page_globals.constructor

Navigation Object created from URI query string

sobekcm_database.verify_item_lookup_object

sobekcm_page_globals.display_item

Retrieving item or group information

sobekcm_page_globals.get_entire_collection_hierarchy

Retrieving hierarchy information

sobekcm_assistant.get_entire_collection_hierarchy

cached_data_manager.retrieve_item_aggregation

Found item aggregation on local cache

item_aggregation_builder.get_item_aggregation

Found 'all' item aggregation in cache

system.web.ui.page.page_load (ufdc.page_load)

sobekcm_page_globals.constructor.on_page_load

html_echo_mainwriter.add_style_references

Adding style references to HTML

html_echo_mainwriter.add_text_to_page

Reading the text from the file and echoing back to the output stream

html_echo_mainwriter.add_text_to_page

Finished reading and writing the file