二維波浪水槽的構建及其在斜坡堤上的越浪數(shù)值模擬研究.pdf

1、中國海洋大學碩士學位論文二維波浪水槽的構建及其在斜坡堤上的越浪數(shù)值模擬研究姓名：劉瑩申請學位級別：碩士專業(yè)：港口、海岸及近海工程指導教師：梁丙臣20120602GenerationoftheTwoDimensionalNumericalWaveTankandStudyofOvertoppingontheSlopeDikesAbstractWiththedevelopmentsofthecomputerandcomputationalfl

2、uiddynamics(CFD)，thenumericalwavetanktakenthewavemakingtechnologyastheimportantpartsuppliesstrongtechnicalsupportandsuppliesreferenceaboutoptimizeddesignoftheseawallcross—sectionThenumericalwavegeneratingtechnologyandthe

3、numericalwavetankarethefrontierstechnologyinthesedaysCoastalhydraulicstructureisimportantengineeringfacilitiesthatprotectthecoastalareaspreventthestormandwaveattacks，andtheirdestructionswouldleadtoseriousconsequencesInre

4、centyears，withtheinfluenceofsealevelsrisingbytheglobalwarmingandstormsurgedisastersincreasing，understormactionresultinovertopping，thedestructionofsearouteareincreasing，itwillfaceastandardofprotectionembankmentshortageThe

5、oreticallyovertoppingcanbeavoidedifthecrestlevelofthesearouteisenoughheight，butduetotheeconomicreasonandfoundationalrestrictionandtheuncertaintiesassociatedwiththepredictionofthedesignwaterlevelsandthedesignwaves，therefo

6、reitisnecessarytoconsidertheallowableovertoppinginseadikedesignThesubjectusedfluidanalysissoftwareFLUENTbasedonviscosityfluidtheoryandfinitevolumemethod，combinedwiththeRNGK￡modelSolvedthenavierstokesequations，proceededth

7、esecondarydevelopmentforFluentsoftware，theadditivesourcesinthemomentumequationareusedtogenerateandabsorbwaves，themethodofwavesgeneratingandabsorbingintheviscousfluidispresentedThe2Dnumericalwavetankwhichcanbothgeneratean

8、dabsorbwavesisbuiltandprovethevalidityofthenumericalgeneratewavesTrytoapplyittothenumericalsimulationwaverunupandovertoppinginslopedikes，andthedifferentwaveparametersinfluencesonwaveovertoppingrateAtthesametime，areviewof