Search Results - "Polimeridis, A. G."

Stable FFT-JVIE solvers for fast analysis of highly inhomogeneous dielectric objects by Polimeridis, A.G., Villena, J.F., Daniel, L., White, J.K.

“…A stable volume integral equation formulation based on equivalent volumetric currents is presented for modeling electromagnetic scattering of highly…”
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An Efficient Pole Extraction Technique for the Computation of Green's Functions in Stratified Media Using a Sine Transformation by Polimeridis, A.G., Yioultsis, T.V., Tsiboukis, T.D.

“…An efficient and automatic algorithm for the extraction of surface wave poles of the multilayered spectral-domain Green's function is presented. With the sine…”
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On the evaluation of hyper-singular double normal derivative kernels in surface integral equation methods by Polimeridis, A.G., Järvenpää, S., Ylä-Oijala, P., Gray, L.J., Kiminki, S.P., Mosig, J.R.

“…A stable and efficient numerical scheme for the evaluation of surface integrals with 1/R3-type singularities is presented. The method is based on the…”
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On the efficient computation of closed-form Green's functions in planar stratified media by Polimeridis, A. G., Yioultsis, T. V.

“…The spatial‐domain Green's functions for the vector and scalar potentials in planar stratified media are cast into closed forms via a two‐level approximation…”
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On the modeling of fluctuation-induced phenomena in inhomogeneous geometries by Polimeridis, A. G., Reid, M. T. H., Jin, W., Johnson, S. G., White, J. K., Rodriguez, A. W.

“…We describe some preliminary results on a fluctuating volume-current formulation of non-equilibrium fluctuations in inhomogeneous media. The proposed framework…”
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Efficient Algorithms for Computing Sommerfeld Integral Tails by Golubovic, R., Polimeridis, A. G., Mosig, J. R.

“…Sommerfeld-integrals (SIs) are ubiquitous in the analysis of problems involving antennas and scatterers embedded in planar multilayered media. It is well known…”
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On the Computation of Power in Volume Integral Equation Formulations by Polimeridis, A. G, Reid, M. T. H, Johnson, S. G, White, J. K, Rodriguez, A. W

“…We present simple and stable formulas for computing power (including absorbed/radiated, scattered and extinction power) in current-based volume integral…”
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On the Direct Evaluation of Surface Integral Equation Impedance Matrix Elements Involving Point Singularities by Polimeridis, A. G., Mosig, J. R.

“…The direct evaluation method tailored to the 4-D singular integrals over vertex adjacent triangles, arising in the first-kind and second-kind Fredholm surface…”
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On the computation of power in VIE scattering and radiation calculations by Polimeridis, A. G., Homer Reid, M. T., Johnson, S. G., White, J. K., Rodriguez, A. W.

“…We present simple formulas for computing power (including absorbed, scattered and radiated power) in current-based volume integral equation formulations. The…”
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Fast and Accurate Computation of Hypersingular Integrals in Galerkin Surface Integral Equation Formulations via the Direct Evaluation Method by Polimeridis, A G, Tamayo, J M, Rius, J M, Mosig, J R

“…Hypersingular 4-D integrals, arising in the Galerkin discretization of surface integral equation formulations, are computed by means of the direct evaluation…”
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On the Direct Evaluation of Weakly Singular Integrals in Galerkin Mixed Potential Integral Equation Formulations by Polimeridis, A.G., Yioultsis, T.V.

“…Weakly singular integrals over coincident triangles, arising in the Galerkin discretization of mixed potential integral equation formulations, are calculated…”
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Analytical Shape Derivatives of the MFIE System Matrix Discretized With RWG Functions by Kataja, J., Polimeridis, A. G., Mosig, J. R., Yla-Oijala, P.

“…An analytical formula for the shape derivative of the magnetic field integral equation (MFIE) method of moments (MoM) system matrix (or impedance matrix) is…”
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Considerations on Double Exponential-Based Cubatures for the Computation of Weakly Singular Galerkin Inner Products by Polimeridis, A. G., Koufogiannis, I. D., Mattes, M., Mosig, J. R.

“…Highly accurate and efficient cubatures based on the double exponential quadrature rules are presented for the computation of weakly singular integrals arising…”
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On the efficient evaluation of hyper-singular integrals in Galerkin surface integral equation formulations via the direct evaluation method by Tamayo, J M, Polimeridis, A G, Rius, J M, Mosig, J R

“…In this paper, the direct evaluation method is outlined for the computation of the hypersingular integrals arising in Galerkin surface integral equation…”
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A Robust Method for the Computation of Green's Functions in Stratified Media by Polimeridis, A.G., Yioultsis, T.V., Tsiboukis, T.D.

“…Closed-form Green's functions for unbounded planar stratified media are derived in terms of cylindrical and spherical waves. The methodology is based on a…”
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A Robust Method for the Computation of Greenas Functions in Stratified Media by Polimeridis, A G, Yioultsis, T V, Tsiboukis, T D

“…Closed-form Greenas functions for unbounded planar stratified media are derived in terms of cylindrical and spherical waves. The methodology is based on a…”
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Fast Numerical Computation of Greenas Functions for Unbounded Planar Stratified Media With a Finite- Difference Technique and Gaussian Spectral Rules by Polimeridis, A G, Yioultsis, T V, Tsiboukis, T D

“…A computational methodology for the calculation of Greenas functions for unbounded planar stratified media is proposed in this paper. Unlike several techniques…”
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Fast Numerical Computation of Green's Functions for Unbounded Planar Stratified Media With a Finite-Difference Technique and Gaussian Spectral Rules by Polimeridis, A.G., Yioultsis, T.V., Tsiboukis, T.D.

“…A computational methodology for the calculation of Green's functions for unbounded planar stratified media is proposed in this paper. Unlike several techniques…”
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Photon Torpedoes and Rytov Pinwheels: Integral-Equation Modeling of Non-Equilibrium Fluctuation-Induced Forces and Torques on Nanoparticles by Reid, M. T. Homer, Miller, O. D, Polimeridis, A. G, Rodriguez, A. W, Tomlinson, E. M, Johnson, S. G

“…We present new theoretical tools, based on fluctuational electrodynamics and the integral-equation approach to computational electromagnetism, for numerical…”
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Robust J-EFVIE solvers based on purely surface integrals by Polimeridis, A. G., Fernandez Villena, J., Daniel, L., White, J. K.

“…A simple transformation of the Galerkin inner products arising in the numerical solution of volume integral equation formulations with piece-wise constant…”
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