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Minimizing Dispersion in FDTD Method...

Sun, Chen.

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Minimizing Dispersion in FDTD Methods with CFL Limit Extension.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Minimizing Dispersion in FDTD Methods with CFL Limit Extension./
Author:	Sun, Chen.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
Description:	89 p.
Notes:	Source: Masters Abstracts International, Volume: 56-05.
Contained By:	Masters Abstracts International56-05(E).
Subject:	Electromagnetics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10261786
ISBN:	9780355099966

Minimizing Dispersion in FDTD Methods with CFL Limit Extension.
Sun, Chen.

Minimizing Dispersion in FDTD Methods with CFL Limit Extension. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 89 p.

Source: Masters Abstracts International, Volume: 56-05.

Thesis (M.A.S.)--University of Toronto (Canada), 2017.

The CFL extension in FDTD methods is receiving considerable attention in order to reduce the computational effort and save the simulation time. One of the major issues in the CFL extension methods is the increased dispersion. We formulate a decomposition of FDTD equations to study the behaviour of the dispersion. A compensation scheme to reduce the dispersion in CFL extension is constructed and proposed. We further study the CFL extension in a FDTD subgridding case, where we improve the accuracy by acting only on the FDTD equations of the fine grid. Numerical results confirm the efficiency of the proposed method for minimising dispersion.

ISBN: 9780355099966Subjects--Topical Terms:

3173223
Electromagnetics.

Minimizing Dispersion in FDTD Methods with CFL Limit Extension.
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020 $a 9780355099966
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100 1 $a Sun, Chen. $3 3341923
245 1 0 $a Minimizing Dispersion in FDTD Methods with CFL Limit Extension.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2017
300 $a 89 p.
500 $a Source: Masters Abstracts International, Volume: 56-05.
500 $a Adviser: Piero Triverio.
502 $a Thesis (M.A.S.)--University of Toronto (Canada), 2017.
520 $a The CFL extension in FDTD methods is receiving considerable attention in order to reduce the computational effort and save the simulation time. One of the major issues in the CFL extension methods is the increased dispersion. We formulate a decomposition of FDTD equations to study the behaviour of the dispersion. A compensation scheme to reduce the dispersion in CFL extension is constructed and proposed. We further study the CFL extension in a FDTD subgridding case, where we improve the accuracy by acting only on the FDTD equations of the fine grid. Numerical results confirm the efficiency of the proposed method for minimising dispersion.
590 $a School code: 0779.
650 4 $a Electromagnetics. $3 3173223
650 4 $a Electrical engineering. $3 649834
690 $a 0607
690 $a 0544
710 2 $a University of Toronto (Canada). $b Electrical and Computer Engineering. $3 2096349
773 0 $t Masters Abstracts International $g 56-05(E).
790 $a 0779
791 $a M.A.S.
792 $a 2017
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10261786