摘要
Basedonthetime-domainhigher-orderboundaryelementmethod(HOBEM),atwo-dimensionalnumericalwaveflumeisdevelopedtoinvestigatesolitarywaveinteractionwithtworectangularboxeswithanarrowgap.Inthenumericalmodel,thefullynonlinearboundaryconditionsaresatisfiedonthefreesurface,themixedEulerian-Lagrangianmethodisadoptedtotrackthetransientwatersurfaceandthefourth-orderRunga-Kuttamethodisusedtopredictthevelocitypotentialandwaveelevationonthefreesurface.Theaccelerationpotentialtechniqueisusedtocomputethetransientwaveforcesalongthewettedobjectsurface.Apiston-typewavemakerisusedtogeneratesolitarywaves.Theproposedmodelisvalidatedbycomparingthesimulatedwaverun-upandthewaveloadswiththepublishedexperimentalandnumericalresultsofthereflectionofasolitarywavefromaverticalwall.Then,numericalexperimentsareperformedtostudytheeffectsofthenarrowgapandthesizeofeachboxonthewaverun-upsatthetwosidesofthetwo-boxsystemandinthenarrowgapbetweentwoboxes,andthewaveloadsonthetwoboxes.Theinteractionbetweendoublesolitarywaveswithatimeintervalbetweenthemwithatwo-boxsvstemisalsoinvestigated.
出版日期
2016年12月22日(中国期刊网平台首次上网日期,不代表论文的发表时间)