西工大CFD 答案.docx

西工大CFD 答案.docx

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西工大CFD答案

1.whatdoesCFDdo?

Computationalfluiddynamics（CFD）isthescienceofpredictingfluidflow,heattransfer,masstransfer,chemicalreactions,andrelatedphenomenabysolvingthemathematicalequationswhichgoverntheseprocessesusinganumericalapproach

2.Thecontrolvolumemovingwiththefluid

●movingwithfluid➡maychangeinposition,shapeand

volume

●noparticles,thereforenomasspassthroughitsboundary

➡（Itisalwaysmadeupofthesamegroupofparticles;no

changeinmass）

●forcesinteractonitsboundary

●exchangeofenergy,work,heatmayexistthroughits

boundary

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二．1.

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（ppt52页）

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