Improved PO-MM hybrid formulation for scattering from three-dimensional perfectly conducting bodies of arbitrary shape

Jakobus, U.; Landstorfer, F.M.

doi:10.1109/8.366378

Cited by 238 publications

(109 citation statements)

References 19 publications

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“…The second of these tasks is quite straightforward in the mesh-based PO context: a local projection procedure is used to obtain the RWG basis function coefficient values, such that they best approximate the tangential components of the incident field according to (2) (see e.g. [2]). This is an O(N ) task, where N denotes the number of mesh elements.…”

Section: The Single-reflection Po Methodsmentioning

confidence: 99%

“…In the interest of brevity, the paper will only be concerned with the standard RWG-type of mixed first-order, edge-associated basis functions, as employed in e.g. [2].…”

Section: Introductionmentioning

confidence: 99%

“…Upon the mesh, the induced surface current density is represented by standard divergence-conforming basis functions also used in the Method of Moments (MoM). This is the mesh-based PO approach [2,3]. This approach can be applied to take only a single reflection off the scatterer into account (when illuminated by a plane wave or point source [Hertzian dipole]), as well as to take multiple, internal reflections into account.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Acceleration of Mesh-Based Physical Optics for Electromagnetic Scattering Analysis

Xiang¹,

Botha²

2016

Proceedings of the VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2016)

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Section: The Single-reflection Po Methodsmentioning

confidence: 99%

“…In the interest of brevity, the paper will only be concerned with the standard RWG-type of mixed first-order, edge-associated basis functions, as employed in e.g. [2].…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Acceleration of Mesh-Based Physical Optics for Electromagnetic Scattering Analysis

Xiang¹,

Botha²

2016

Proceedings of the VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2016)

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“…The current density J (1) is computed via the initial current density vector J (0) , which is obtained by PO approximation. Similar to the presentation in (7), the complete current density vector can be written as…”

Section: Correction Methodsmentioning

confidence: 99%

“…This is normally done in an iterative manner. Well-known examples are the PO-MoM approach [1], which can be improved by incorporating higher-order edge or surface diffraction effects [2,3]. Other methods employ electric and magnetic field integral equation (EFIE-MFIE) formulations to different domains, where the MFIE is iteratively approximated by PO [4] or use sophisticated iterative techniques with special basis functions in the hybrid PO-MoM approach [5].…”

Section: Introductionmentioning

confidence: 99%

An Efficient Magnetic Field Integral Equation Based Iterative Solver

Brem¹,

Eibert²

2014

PIER M

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Abstract-An iterative solution scheme based on the magnetic field integral equation (MFIE) to compute electromagnetic scattering for arbitrary, perfect electrically conducting (PEC) objects is topic of this contribution. The method uses simple and efficient approaches for the computation of surface current interactions which are typically found in the well-known iterative physical optics (IPO) technique. However, the proposed method is not asymptotic, since no physical optics (PO) concepts are utilized. Furthermore, a least squares correction method is introduced, which is applied not on the complete current vector, but on individual groups of currents. This helps to quickly reduce the residual error and to improve convergence. The result is a simple method which is capable to improve the simulation results obtained by pure asymptotic methods such as PO or shooting and bouncing rays (SBR). The method can be regarded as a simplified iterative method of moments (MoM) technique. Numerical examples show that the proposed approach is advantageous e.g., in problem cases where the neglect of diffraction effects or currents in shadow regions would cause large errors. It also provides an improved prediction of the peak scattering contributions.

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A hybrid technique combining the moment method with physical optics and uniform asymptotics for scattering from 2-D cylinders

Sullivan

Carin

1999

Microw. Opt. Technol. Lett.

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Improved PO-MM hybrid formulation for scattering from three-dimensional perfectly conducting bodies of arbitrary shape

Abstract: ABSTRACT:

Cited by 238 publications

References 19 publications

Acceleration of Mesh-Based Physical Optics for Electromagnetic Scattering Analysis

Acceleration of Mesh-Based Physical Optics for Electromagnetic Scattering Analysis

An Efficient Magnetic Field Integral Equation Based Iterative Solver

A hybrid technique combining the moment method with physical optics and uniform asymptotics for scattering from 2-D cylinders

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