[FDTD]A Modified High Order FDTD Method

A Modified High Order FDTD Method fpQFNV  
BasedonWaveEquation W[J2>`k9  
ShuoWang,ZhenhaiShao, Senior Member, IEEE, and Guangjun Wen, Member, IEEE Vn5%%?]J  

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Abstract—Amodified(2 4)schemeofthehigh-ordertwo-di- i/_rz.
c~3  
mensionalfinite-differencetime-domain(FDTD)methodbasedon f91]0B`C  
waveequationisproposed.Ithasthefourth-orderaccuracyinthe p]S'pzh  
timedomainusingthesymplecticintegratorpropagator,andthe Y<W9
LF  
-orderaccuracyinthespacedomainusingthediscretesingular @xo8"kl  
2 Qc*p+N+$  
convolutionmethod.Thedistinctivefeaturesbetweenthemodified )w
jpxr  
4)FDTDbasedonYeealgorithm =Ks&m4  
schemeandthetraditional(2 16Ka>=G  
arelistedasfollows.First,themodifiedschemeisbasedonthewave A nl1+  
equation.Second,thecomputationalregionisdiscretizedbyuni- d4IQ;u  
formmeshratherthantheYeemesh.Third,themodifiedscheme 0cB]:*W  
costslessmemorythantheYeealgorithmbecausefewerfieldele- zu?112-v2  
mentsareinvolvedincomputation.Numericalexamplesarepro- 7hn[i,?` H  
videdtovalidateitsaccuracyandeffectiveness. A94:(z;{  
IndexTerms—Discretesingularconvolution(DSC),finite-dif-
no-";{c  
'Y2$9qy-L  

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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