• Title of article

    SolutionofneutrontransportequationusingDaubechies’waveletexpansionintheangulardiscretizationOriginalResearchArticle

  • Author/Authors

    LiangzhiCao، نويسنده , , HongchunWu، نويسنده , , YouqiZheng، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2008
  • Pages
    10
  • From page
    2292
  • To page
    2301
  • Abstract
    Daubechies’waveletexpansionisintroducedtodiscretizetheangularvariablesoftheneutrontransportequationwhentheneutronangularfluxvariesveryacutelywiththeangulardirections.Animprovementismadebycouplingone-dimensionalwaveletexpansionanddiscreteordinatemethodtomaketwo-dimensionalangulardiscretizationefficientandstable.Theangulardomainisdividedintoseveralsubdomainsfortreatingthevacuumboundaryconditionexactlyintheunstructuredgeometry.Asetofwaveletequationscoupledwitheachotherisobtainedineachsubdomain.Aniterativemethodisutilizedtodecouplethewaveletmoments.Thenumericalresultsofseveralbenchmarkproblemsdemonstratethatthewaveletexpansionmethodcanprovidemoreaccurateresultsbylower-orderexpansionthanotherangulardiscretizationmethods.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2008
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    895185