Efficient implementation of the uniaxial-based PML media in three-dimensional nonorthogonal coordinates with the use of the FDTD technique

Roden, Judith; Gedney, Stephen D.

doi:10.1002/(sici)1098-2760(19970205)14:2<71::aid-mop1>3.0.co;2-i

Microw. Opt. Technol. Lett.

1997

DOI: 10.1002/(sici)1098-2760(19970205)14:2<71::aid-mop1>3.0.co;2-i

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Efficient implementation of the uniaxial-based PML media in three-dimensional nonorthogonal coordinates with the use of the FDTD technique

Judith Roden

¹

,

Stephen D. Gedney

²

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Cited by 42 publications

(5 citation statements)

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“…In addition, wave reflections on the walls of the computation box are suppressed by PML, ''Perfectly Matched Layers'' [Berenger, 1994;Berenger et al, 2000] technique. An improved version of this method called CPML [Roden and Gedney, 1997] has been implemented to take into account more complex underground conditions such as lossy media.…”

Section: Fdtd Methodsmentioning

confidence: 99%

An estimation of the electrical characteristics of planetary shallow subsurfaces with TAPIR antennas

Gall¹,

Reineix

²

,

Ciarletti³

et al. 2006

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Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.

“…In addition, wave reflections on the walls of the computation box are suppressed by PML, ''Perfectly Matched Layers'' [Berenger, 1994;Berenger et al, 2000] technique. An improved version of this method called CPML [Roden and Gedney, 1997] has been implemented to take into account more complex underground conditions such as lossy media.…”

Section: Fdtd Methodsmentioning

confidence: 99%

An estimation of the electrical characteristics of planetary shallow subsurfaces with TAPIR antennas

Gall¹,

Reineix

²

,

Ciarletti³

et al. 2006

Get access via publisher Add to collection Cite

Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.

“…In [53][54][55][56][57][58][59][60] PML ABCs are derived for cylindrical and spherical coordinates, generalized curvilinear coordinates, and nonorthogonal coordinates. In [61], the PML ABC is extended to the body of revolution (BOR) FDTD method.…”

Section: The Perfectly Matched Layer In Other Systems Of Coordinatesmentioning

confidence: 99%

Perfectly Matched Layer (PML) for Computational Electromagnetics

Bérenger

¹

2007

Synthesis Lectures on Computational Electromagnetics

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Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.

“…Fang and Wu present a slightly different formulation for two dimensions [22]. Although quasi-PML (QPML) ABC formulations have been studied for nonorthogonal grids [23]- [25], only recently rigorous studies have been done on the PML for cylindrical coordinates [26]- [30].…”

mentioning

confidence: 99%

A nonuniform cylindrical FDTD algorithm with improved PML and quasi-PML absorbing boundary conditions

He

¹

,

Liu

²

1999

IEEE Trans. Geosci. Remote Sensing

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Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.

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