NUMERICAL SIMULATIONS OF HIGHLY NONLINEAR STEADY AND UNSTEADY FREE SURFACE FLOWS-中国期刊网

摘要 AnumericalsimulationmodelbasedonanopensourceComputationalFluidDynamics(CFD)package-OpenFieldOperationandManipulation(OpenFOAM)hasbeendevelopedtostudyhighlynonlinearsteadyandunsteadyfreesurfaceflows.Atwo-fluidformulationisusedinthismodelandthefreesurfaceiscapturedusingtheclassicalVolumeOfFluid(VOF)method.TheincompressibleEuler/Navier-Stokesequationsaresolvedusingafinitevolumemethodonunstructuredpolyhedralcells.Bothsteadyandunsteadyfreesurfaceflowsaresimulated,whichinclude:(1)asubmergedNACA00122-Dhydrofoilmovingataconstantspeed,(2)theWigleyhullmovingataconstantspeed,(3)numericalwavetank,(4)greenwaterovertoppingafixed2-Ddeck,(5)greenwaterimpactonafixed3-Dbodywithoutorwithaverticalwallonthedeck.ThenumericalresultsobtainedhavebeencomparedwiththeexperimentalmeasurementsandotherCFDresults,andtheagreementsaresatisfactory.Thepresentnumericalmodelcanthusbeusedtosimulatehighlynonlinearsteadyandunsteadyfreesurfaceflows.

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NUMERICAL SIMULATIONS OF HIGHLY NONLINEAR STEADY AND UNSTEADY FREE SURFACE FLOWS

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NUMERICAL SIMULATIONS OF HIGHLY NONLINEAR STEADY AND UNSTEADY FREE SURFACE FLOWS

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