Predicting wave run-up on rubble-mound structures using M5 model tree
Abstract
Predictionofrun-uplevelisakeytaskindesignofthecoastalstructures.Forthedesignofthecrest level ofcoastalstructures,thewaverun-uplevelwitha2%exceedanceprobability, Ru2%, ismost commonlyused.Inthisstudy,theperformanceofM5modeltreeforpredictionofthewaverun-upon rubble-moundstructureswasinvestigated.Themainadvantageofmodeltrees,unliketheothersoft computingtools,istheireasieruseandmoreimportantlytheirunderstandablemathematicalrules. ExperimentaldatasetofVanderMeerandStamwasusedfordevelopingmodeltrees.Theconventional governingparameterswereselectedastheinputvariablesandtheobtainedresultswerecompared with VanderMeerandStam'sformula,recommendedbythe CoastalEngineeringManual(CEM,2006). The predictiveaccuracyofthemodeltreeapproachwasfoundtobesuperiortothatofVanderMeer and Stam'sempiricalformula.Furthermore,tojudgethegeneralizationcapabilityofthemodeltree method,themodeldevelopedbasedonlaboratorydatasetwasvalidatedwiththeprototyperun-up measurementsontheZeebruggebreakwater,Belgium.Resultsshowthatthemodeltreeismore accuratethanempiricalformulasandTSFuzzyapproachinestimatingthefull-scalerun-up.
Journal Title
Ocean Engineering
Volume
38
Issue
1
Copyright Statement
© 2011 Elsevier. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
Subject
Maritime Engineering not elsewhere classified