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Performance of parallel FDTD method for shared- and distributed-memory architectures: Application tobioelectromagnetics
Published 2020-01-01“…This study contributes to prove, in a systematic manner, the well-established claim within the Computational Electromagnetic community, that the main factor limiting FDTD performance, in realistic problems, is the memory bandwidth. …”
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202
Methods of Increasing Efficiency of Antennas Embedded in Dissipative Media
Published 2017-04-01“…The research is carried out by means of analytical and computer electromagnetic methods. It makes possible to refine some effects and reveal new patterns. …”
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203
A Combined Mode-Matching Technique and Born Approximation Method to Model Well-Logging Sensors in Non-Axisymmetric Boreholes
Published 2021-01-01“…Logging-while-drilling (LWD) tools are sensors typically used on the exploration of hydrocarbons reservoirs and are usually immersed in complex geophysical formations (inhomogeneous, dissipative, and anisotropic), resulting in a challenging problem for conventional computational electromagnetic techniques. The geophysical environment is typically treated as a radially and longitudinally stratified medium, conforming with the boundaries of a cylindrical borehole drilled in the earth. …”
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204
Electromagnetic Compatibility & Electrical Breakdown /
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205
Polarisation variation of linear polarised Bi‐ISAR system in space targets imaging
Published 2021-06-01“…Here, the authors quantitatively analyse the energy variation caused by polarisation mismatch in a linearly polarised Bi‐ISAR system by investigating the time‐varying bistatic angle and intrinsic variable polarisation effect of targets via the combination of observation geometry and computational electromagnetic. The high‐order phase deviation in long‐term coherent processing is also presented through the same strategy. …”
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206
$$Q\bar{Q}$$ QQ¯ ($$Q\in \{b, c\}$$ Q∈{b,c} ) spectroscopy using the Cornell potential
Published 2018-07-01“…We also compute mass spectra and life time of the $$B_c$$ Bc meson without additional parameters. The computed electromagnetic transition widths of heavy quarkonia and $$B_c$$ Bc mesons are in tune with available experimental data and other theoretical approaches.…”
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207
Parallelization and Locality Optimization for Red-Black Gauss-Seidel Stencil
Published 2022-05-01“…Stencil is a common cyclic nested computing model,which is widely used in many scientific and engineering simulation applications,such as computational electromagnetism,weather simulation,geophysics,ocean simulation and so on.With the deve-lopment of modern processor architecture,the multi-core and multi-layer memory levels have been deepened.Research on paralle-lism and locality is the main way to improve the performance of programs.Blocking is one of the main techniques to exploit data locality and program parallelism.At present,a large number of blocking methods have been proposed for Stencil,but most of them are limited to Jacobi Stencils which is featured with high parallelism and locality.Gauss-Seidel Stencil has a better convergence rate and is widely used in multi-grid calculations.However,the data dependence of this type of Stencil is more complicated.In this paper,a parallel blocking and vectorization algorithm is designed for Gauss-Seidel Stencil for red black sorting,which improves the data locality,medium granularity multi-core parallelism and intra core fine-grained parallelism of Gauss-Seidel Stencil.Experimental results demonstrate the effectiveness of this scheme.…”
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208
Transistor Laser Antenna: Electromagnetic Model in Transmit and Receive Modes
Published 2022-01-01“…In this article, a comprehensive computational electromagnetic modeling and characterization is presented for transistor laser. …”
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209
Scalable Modeling of Human Blockage at Millimeter-Wave: A Comparative Analysis of Knife-Edge Diffraction, the Uniform Theory of Diffraction, and Physical Optics Against 60 GHz Chan...
Published 2022-01-01“…To address this, in this article we investigate computational electromagnetic methods based on raytracing. In addition to the KED method, we compare the Uniform Theory of Diffraction (UTD) and Physical Optics (PO) methods against an extensive suite of precision channel measurements at 60GHz. …”
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210
Effective index model as a reliable tool for the design of nanostructured thin-film solar cells
Published 2023-04-01“…Abstract Nanostructured anti-reflection coatings (ARC) are used to reduce the reflectivity of the front surface of solar cells. Computational electromagnetism helps to evaluate the spectral reflectivity of of this type of ARC using several approaches. …”
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211
Computation of electrostatic fields in anisotropic human tissues using the Finite Integration Technique (FIT)
Published 2004-01-01“…A fact that has to be taken into account when computing electromagnetic fields in the human body is that some tissue classes, i.e. cardiac and skeletal muscles, have higher electrical conductivity and permittivity along fibers rather than across them. …”
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Snow Parameters Inversion from Passive Microwave Remote Sensing Measurements by Deep Convolutional Neural Networks
Published 2022-06-01“…The proposed ConvNet is trained using simulated data obtained through conventional computational electromagnetic methods. Compared with the traditional inverse method, the trained ConvNet can predict the result with higher accuracy. …”
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214
Generalized Taylor–Duffy Method for Efficient Evaluation of Galerkin Integrals in Boundary-Element Method Computations
Published 2016“…We present a generic technique, automated by computer-algebra systems and available as open-source software, for efficient numerical evaluation of a large family of singular and nonsingular four-dimensional integrals over triangle-product domains, such as those arising in the boundary-element method (BEM) of computational electromagnetism. Previously, practical implementation of BEM solvers often required the aggregation of multiple disparate integral-evaluation schemes in order to treat all of the distinct types of integrals needed for a given BEM formulation; in contrast, our technique allows many different types of integrals to be handled by the same algorithm and the same code implementation. …”
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215
Hot Electron Plasmon-Resonant Grating Structures for Enhanced Photochemistry: A Theoretical Study
Published 2021-01-01“…Here, we present a systematic theoretical study of the surface plasmon resonance in different corrugated metallic grating structures using computational electromagnetic tools (i.e., the finite difference time domain (FDTD) method). …”
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216
Electromagnetic Insights Into Path Loss Modelling of IRS-Assisted SISO Links: Method-Of-Moment Based Analysis
Published 2021-11-01“…Being a full-wave computational electromagnetic tool, MoM is better equipped compared to high-frequency asymptotic methods like PO (Physical Optics), to handle the crucial electromagnetic (EM) effects like: mutual coupling between IRS unit-cells or interactions with spherical wave-front in antenna near-field. …”
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217
Solenoidal Micromagnetic Stimulation Enables Activation of Axons With Specific Orientation
Published 2018-07-01“…Here, we used computational electromagnetic models of the μMS coils adjacent to neuronal tissue combined with axon cable models to investigate μMS orientation-specific properties. …”
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218
Permittivity and Permeability Tensor Extraction Technique for Arbitrary Anisotropic Materials
Published 2015-01-01“…The predictions compare very well with the computational electromagnetic simulations, showing at most 5% error over the range examined.…”
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219
Modeling Tools for Drilling, Reservoir Navigation, and Formation Evaluation
Published 2012-06-01“…These challenges combine to form some of the most intractable computational electromagnetic problems in the world. Reliable, fast, and convenient numerical modeling of logging tool responses is critical for tool design, sensor optimization, virtual prototyping, and log data inversion. …”
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