Numerical Simulation of Bragg Reflection Based on Linear Waves Propagation over A Series of Rectangular Seabed

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摘要 Anumericalmodel,EvolutionEquationofMild-SlopeEquation(EEMSE)developedbyHsuetal.(2003),wasappliedtostudytheBraggreflectionofwaterwavesoveraseriesofrectangularseabed.ThreekeyparametersoftheBraggreflectionincludingthepeakcoefficientofprimaryBraggreflection,itscorrespondingrelativewavelength,andthebandwidth,haveshowntobeeffectiveindescribingthecharacteristicsoftheprimaryBraggreflection.ThecharacteristicsoftheBraggreflectionwereinvestigatedunderthevariousconditionscomprisingnumber,height,andspacingintervalofaseriesofrectangularseabed.TheresultsrevealthatthepeakofBraggreflectionincreaseswiththeincreaseofrectangularseabedheightandnumber,thebandwidthandtheshiftvalueoftheBraggreflectiondependontheincreaseoftherectangularseabedheightaswellasthedecreaseofrectangularseabednumber,andtherelativerectangularseabedspacingintherangof3and4couldproducehigherBraggreflection.Finally,acorrelativeandregressiveanalysisisperformedbyuseofthecalculateddata.Basedontheresultsoftheanalysis,empiricalequationswereestablished.Ourstudyresultscanprovideanappropriatechoiceofaseriesofrectangularseabedfieldforapracticaldesign.
机构地区 不详
出版日期 2008年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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