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Paper Information

Title: 

ESTIMATING WAVE-INDUCED BOTTOM VELOCITY IN THE VICINITY OF REFLECTIVE STRUCTURES

Type: PAPER
Author(s): ABEDI MAHZOON NAEEM,POURSAFARI YECRANG PARISA,LASHTEH NESHAIE MIR AHMAD
 
 
 
Name of Seminar: INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS) PORTS & MARITIME ORGANIZATION
Type of Seminar:  CONFERENCE
Sponsor:  PORTS AND MARITIME ORGANIZATION
Date:  2010Volume 9
 
 
Abstract: 

INTRODUCTION: THE UNDERTOW, THE SEAWARD RETURN FLOW OF WAVE MASS TRANSPORT, INDUCES A SEAWARD STRESS ON THE BOTTOM SEDIMENT PARTICLE. A NONLINEAR THEORY EQUATION IS PRESENTED FOR ESTIMATING THE VERTICAL AND HORIZONTAL DISTRIBUTION OF UNDERTOW IN THE SURF ZONE FOR REFLECTIVE BEACHES. THE PRESENT MODEL IS A MODIFICATION OF THE ORIGINAL MODEL [1] PRESENTED BY OKAYASU ET AL., (1990) FOR NATURAL, NON-REFLECTIVE BEACHES WHEREIN THE WAVE SET UP, RADIATION STRESS AND MASS FLUX DUE TO BREAKING WAVES ARE MODIFIED TO INCLUDE THE EFFECT OF PARTIALLY REFLECTED WAVES. FURTHERMORE, THE NONLINEARITY OF WAVES PROVIDED BY FENTON'S FOURIER SERIES THEORY AND THE WAVE-CURRENT INTERACTION BETWEEN INCIDENT WAVE AND CURRENT ON ACCOUNT OF UNDERTOW INTO ACCOUNT.

 
Keyword(s): NONLINEAR WAVE, REFLECTIVE STRUCTURE, UNDERTOW, WAVE-CURRENT INTERACTION
 
 
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