基于改進(jìn)VOF法的棱形液艙液體晃蕩分析及應(yīng)用.pdf

1、上海交通大學(xué)碩士學(xué)位論文基于改進(jìn)VOF法的棱形液艙液體晃蕩分析及應(yīng)用姓名：沈猛申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：工程力學(xué)指導(dǎo)教師：唐文勇20080101Abstract上海交通大學(xué)碩士學(xué)位論文AbstractInthebeginningthePapergivesabriefreviewofthesloshingproblemsinengineeringsloshinganalysismethods.Indertoimprovethecomputi

2、onefficiencytheprecisionattheboundariesoftheiginalVOFmethodwhensimulatingthesloshingonprismatictanksthepartialcellparameterisintroducedtoimprovetheiginalVOFmethodinthepaper.ThenusingtheimprovedVOFmethodsimulatesthesloshi

3、ngontheprismatictankmodelwithdifferentfillinglevelsstimulatingperiodsthefreesurfaceheighthistypressurehistiesatdifferentpointsofthetankmodelareobtainedtheagreeableconclusioncanbedrawnfromthecomparisonbetweentheresultsofs

4、imulationexperimentdata.ThecellsensibilitytestalsoapprovesthatthecellrefinementhaslittleeffectontheprecisionoftheimprovedVOFmethod.AtlasttheMisonequationisadoptedtoanalyzethesloshingloadonthepumptowerintheLNGtank.Themain

5、contentsareasfollows:1)ThepartialcellparameterisintroducedtoimprovetheiginalVOFmethodsothatitcantreatthecomplexboundariessuchasbottomsideplatesinprismatictankliquidsloshinganalysis.2)Anewhybridmethodofexploitationscontin