冰盖下近圆柱产生的水波散射分析（英文）

冰盖下近圆柱产生的水波散射分析（英文）Scattering Analysis of Water Waves Generated by a Near-Cylindrical Object Under a

冰盖下近圆柱产生的水波散射分析（英文） ScatteringAnalysisofWaterWavesGeneratedbya Near-CylindricalObjectUnderanIceCap Introduction: Theinteractionbetweenwaterwavesandsubmergedobjects hasbeenthesubjectofextensiveresearchovertheyearsdueto itsrelevanceinvariousfieldssuchasoceanengineering,offshore structures,andnavalarchitecture.Thepresenceoficecapsadds anotherdimensiontothisproblem,astheeffectsoficeonwave behaviorarenotwellunderstood.Thispaperpresentsastudyon thescatteringofwaterwavesgeneratedbyanear-cylindrical objectunderanicecap. Background: Thescatteringofwaterwavesfromasubmergedobjectisa complexphenomenonthatdependsonvariousparameterssuch astheshapeandsizeoftheobject,thedensityofwater,andthe characteristicsofthewaves.Thescatteringpatternscanbe predictedthroughnumericalsimulationsorexperimental measurements.However,thepresenceofanicecapaffectsthe propagationofwavesandcanleadtochangesinthescattering behavior. Methodology: Toinvestigatethescatteringofwaterwavesfroma near-cylindricalobjectunderanicecap,anumericalmodelwas developedusingthefiniteelementmethod.Theobjectwas assumedtobeacircularcylinderwithadiameterof10metersand aheightof20meters,submergedatadepthof50meters.Theice capthicknesswassetto5meters.Thewaterwasassumedtobea homogeneousfluidwithadensityof1025kg/m3.Theincoming wavesweremodeledaslinearwaveswithaheightof1meterand aperiodof10seconds. Results: Thenumericalsimulationsshowedthatthepresenceofanice capsignificantlyaffectsthescatteringofwaterwavesfromthe cylindricalobject.Thescatteringpatternexhibitedacomplex interferenceanddiffractionpatternduetothepresenceoftheice