摘要
Thetransientthermalresponseofathickorthotropichollowcylinderwithfinitelengthisstudiedbyahighordershelltheory.Theradialandaxialdisplacementsareassumedtohavequadraticandcubicvariationsthroughthethickness,respectively.Itisimportantthattheradialstressisapproximatedbyacubicexpansionsatisfyingtheboundaryconditionsattheinnerandoutersurfaces,andthecorrespondingstrainshouldbeleast-squarescompatiblewiththestrainderivedfromthestrain-displacementrelation.Theequationsofmotionarederivedfromtheintegrationoftheequilibriumequationsofstresses,whicharesolvedbypreciseintegrationmethod(PIM).Numericalresultsareobtained,andcomparedwithFEsimulationsanddynamicthermo-elasticitysolutions,whichindicatesthatthehighordershelltheoryiscapableofpredictingthetransientthermalresponseofanorthotropic(orisotropic)thickhollowcylinderefficiently,andforthedetonationtubeofactualpulsedetonationengines(PDE)heatedcontinuously,thethermalstresseswillbecometoolargetobeneglected,whicharenotlikethoseintheonetimeexperimentswithveryshorttime.
出版日期
2010年02月12日（中国期刊网平台首次上网日期，不代表论文的发表时间）
