[FDTD]A Modified High Order FDTD Method

A Modified High Order FDTD Method sV$Zf `X)  
BasedonWaveEquation 1 R,?kUa  
ShuoWang,ZhenhaiShao, Senior Member, IEEE, and Guangjun Wen, Member, IEEE D]*<J"/]d  
8iXt8XY3  
<:!;79T\  
Abstract—Amodified(2 4)schemeofthehigh-ordertwo-di- ODyKS;   
mensionalfinite-differencetime-domain(FDTD)methodbasedon `\M}~  
waveequationisproposed.Ithasthefourth-orderaccuracyinthe dA[S@ysvG  
timedomainusingthesymplecticintegratorpropagator,andthe a8v9j3.  
-orderaccuracyinthespacedomainusingthediscretesingular ^#p+#_*V  
2 t(r}jU=qw  
convolutionmethod.Thedistinctivefeaturesbetweenthemodified N*6lyFcg  
4)FDTDbasedonYeealgorithm p)YI8nW  
schemeandthetraditional(2 _2wH4^Vb  
arelistedasfollows.First,themodifiedschemeisbasedonthewave BQF7S<O
+  
equation.Second,thecomputationalregionisdiscretizedbyuni- 5"^Z7+6  
formmeshratherthantheYeemesh.Third,themodifiedscheme Ojs^-R_  
costslessmemorythantheYeealgorithmbecausefewerfieldele- [`_-;/Gx2  
mentsareinvolvedincomputation.Numericalexamplesarepro- [l:}#5\]4  
videdtovalidateitsaccuracyandeffectiveness. _eg&j  
IndexTerms—Discretesingularconvolution(DSC),finite-dif-
/~}<[6ZGCY  
yl UkVr   

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好东西，基于时间分量的基函数展开的，想不到有人做了

      

没见过，下下来看看