[FDTD]A Modified High Order FDTD Method

A Modified High Order FDTD Method _
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BasedonWaveEquation -VT+O+9_A  
ShuoWang,ZhenhaiShao, Senior Member, IEEE, and Guangjun Wen, Member, IEEE )L5i&UK.  
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Abstract—Amodified(2 4)schemeofthehigh-ordertwo-di- A''pS  
mensionalfinite-differencetime-domain(FDTD)methodbasedon GP
a`e  
waveequationisproposed.Ithasthefourth-orderaccuracyinthe M.[
rLJZ4  
timedomainusingthesymplecticintegratorpropagator,andthe 3EK9,:<Cf  
-orderaccuracyinthespacedomainusingthediscretesingular  P_Hv%g  
2 KbW9s,:p  
convolutionmethod.Thedistinctivefeaturesbetweenthemodified t ^SzqB  
4)FDTDbasedonYeealgorithm L'Q<>{;Ig  
schemeandthetraditional(2 Vba.uKNjk  
arelistedasfollows.First,themodifiedschemeisbasedonthewave szmmu*F,U:  
equation.Second,thecomputationalregionisdiscretizedbyuni- Um.qRZ?  
formmeshratherthantheYeemesh.Third,themodifiedscheme !3qVB  
costslessmemorythantheYeealgorithmbecausefewerfieldele- @xAfZb2E  
mentsareinvolvedincomputation.Numericalexamplesarepro- _$s> c!t,#  
videdtovalidateitsaccuracyandeffectiveness. ytAWOt}`  
IndexTerms—Discretesingularconvolution(DSC),finite-dif-
T+IF}4ed  
*d*,Hqn  

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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