Fully nonorthogonal higher-order FDTD schemes for the systematic development of 3-D PML's in general curvilinear ccordinates

Kosmanis, Theodoros/ Kantartzis, Nikolaos/ Tsiboukis, Theodoros/ Τσιμπούκης, Θεόδωρος/ Κοσμάνης, Θεόδωρος/ Κανταρτζής, Νικόλαος

Other Titles: Fully nonorthogonal higher-order FDTD schemes for the systematic development of 3-D PML’s in general curvilinear coordinates
Institution and School/Department of submitter: ΤΕΙ Θεσσαλονίκης
Keywords: Numerical solutions (Numerical analysis);Coordinates, Curvilinear;PMLs (Mathematical physics);Orthogonal transformation;Orthogonalization (Numerical analysis);Curvilinear nonorthogonal coordinates;PMLs (Μαθηματική φυσική);Συντεταγμένες, Καμπυλόγραμμες;Αριθμητικές λύσεις (Αριθμητική ανάλυση);FDTD μέθοδος;3-D modeling;Modeling, Three-dimensional;3-D μοντελοποίηση;Μοντελοποίηση, Τρισδιάστατη;FDTD method;Καμπυλόγραμμες συντεταγμένες, Μη ορθογωνιοποιημένες;Ορθογωνιοποίηση (Αριθμητική ανάλυση);Ορθογώνιος μετασχηματισμός
Issue Date: 8-Jul-2015
Citation: Journal: IEEE Trans. Magnetics, vol. 36, 2000
Kosmanis,T.,Tsiboukis,T.,Kantartzis,N. ([χ.χ.]). Fully Nonorthogonal Higher-Order Accurate FDTD Schemes for the Systematic Development of 3-D Reflectionless PMLs in General Curvilinear Coordinate Systems. IEEE Transactions on Magnetics 36. Διαθέσιμο σε: http://ieeexplore.ieee.org/xpl/tocresult.jsp?isnumber=19005
Abstract: The efficient construction of reflectionless PML's in 3-D curvilinear coordinates via a new higher-order FDTD methodology, is presented in this paper. By accurately treating the div-curl problem, the technique introduces a higher-order rendition of the covariant/contravariant vector theory with generalized conventional and nonstandard schemes. Moreover, a mesh expansion algorithm decreases the absorbers' thickness. In the time domain, the four-stage Runge-Kutta integrator is also invoked, while the wider spatial stencils are effectively limited by self-adaptive compact operators. Numerical verification indicates that the novel PML's offer a serious suppression of dispersion errors and significant savings in the computational burden
Description: Δημοσιεύσεις μελών--ΣΤΕΦ--Τμήμα Οχημάτων,2015
Other Identifiers: http://faraday.ee.auth.gr/papers/Kantartzis2000.pdf
Item type: other
Submission Date: 2018-02-28T16:48:01Z
Item language: el
Item access scheme: free
Institution and School/Department of submitter: ΤΕΙ Θεσσαλονίκης
Appears in Collections:Δημοσιεύσεις σε Περιοδικά

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