摘要
HighlyunderexpandedaxisymmetricjetwassimulatedusingtheRunge-KuttaDiscontinuousGalerkin(RKDG)finiteelementmethod,which,basedontwo-dimensionalconservationlaws,wasusedtosolvetheaxisymmetricEulerequations.Thecomputedresultsshowthatthecomplicatedflowfieldstructuresofinterest,includingshockwaves,slipstreamsandthetriplepointobservedinexperimentscouldbewellcapturedusingtheRKDGfiniteelementmethod.Moreover,comparisonsoftheMachdisklocationexhibitexcellentagreementsbetweenthecomputedresultsandexperimentalmeasurements,indicatingthatthismethodhashighcapabilityofcapturingshockswithoutnumericaloscillationandartificialviscosityoccurringnearthediscontinuouspoint.
出版日期
2008年05月15日(中国期刊网平台首次上网日期,不代表论文的发表时间)