Finite-volume time-domain (FVTD) techniques for EM scattering

Holland, Robert C.; Cable, V.; Wilson, Leslie C.

doi:10.1109/15.99109

Cited by 65 publications

(27 citation statements)

References 18 publications

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“…First, coarser meshes are sufficient to approximate the structure with the same accuracy. In Reference [9] it is stated that conformal meshing of a cylinder allows four times larger cell sizes compared to a staircased mesh if the same accuracy should be obtained. This results in a ratio of uniform to conformal cells of 67, giving a memory saving factor of about 6.7.…”

Section: Computational Costsmentioning

confidence: 98%

Finite‐volume time‐domain (FVTD) modelling of a broadband double‐ridged horn antenna

Baumann

Leuchtmann

Vahldieck

2004

Int J Numerical Modelling

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SUMMARYThis paper demonstrates the suitability of the finite-volume time-domain (FVTD) method to analyse electromagnetic 'real-world' problems. As a challenging example, a 1-18 GHz broadband double-ridged horn antenna is chosen. The horn antenna consists of non-orthogonal and curved parts and a small coaxial feeding that is modelled in detail. The simulation results of the far-field patterns, the return loss and the gain are successfully compared to measurements. They show that the FVTD method}using an inhomogeneous tetrahedral mesh}is very well suited for simulating complex structures.

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Section: Computational Costsmentioning

confidence: 98%

Finite‐volume time‐domain (FVTD) modelling of a broadband double‐ridged horn antenna

Baumann

Leuchtmann

Vahldieck

2004

Int J Numerical Modelling

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“…Related to the FDTD method is the finite volume time domain (FVTD) method [22]. Without going into detail, the FVTD method utilizes the integral form of Maxwell's equations rather than the finite-difference approximation of the partial differential equations.…”

Section: The Finite Difference Time Domain Methodsmentioning

confidence: 99%

EM threat analysis for wireless systems.

Burkholder¹,

Mariano²,

Schniter³

et al. 2006

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Modern digital radio systems are complex and must be carefully designed, especially when expected to operate in harsh propagation environments. The ability to accurately predict the effects of propagation on wireless radio performance could lead to more efficient radio designs as well as the ability to perform vulnerability analyses before and after system deployment.In this report, the authors -experts in electromagnetic (EM) modeling and wireless communication theory -describe the construction of a simulation environment that is capable of quantifying the effects of wireless propagation on the performance of digital communication.

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“…These attempts have resulted in the development of various conformal versions of FDTD [4][5][6][7][8][9][10][11][12][13][14][15][16]. However, the most simple and accurate conformal methods (for example, [6,7]) demand to reduce the time step due to the reduction of the effective mesh step sizes near the boundary.…”

Section: Introductionmentioning

confidence: 99%