摘要
TheauthorsconsidertheEulerequationsforacompressiblefluidinonespacedimensionwhentheequationofstateofthefluiddoesnotfulfillstandardconvexityassumptionsandviscosityandcapillarityeffectsaretakenintoaccount.Atypicalexampleofnonconvexcon-stitutiveequationforfluidsisVanderWaals'equation.Thefirstordertermsofthesepartialdifferentialequationsformanonlinearsystemofmixed(hyperbolic-elliptic)type.Foraclassofnonconvexequationsofstate,anexistencetheoremoftravelingwavessolutionswitharbitrarylargeamplitudeisestablishedhere.Theauthorsdistinguishbetweenclassical(compressive)andnonclassical(undercompressive)travelingwaves.ThelatterdonotfulfillLaxshockinequali-ties,andarecharacterizedbytheso-calledkineticrelation,whosepropertiesareinvestigatedinthispaper.
出版日期
2003年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)