Evolution of Time-Harmonic Electromagnetic and Acoustic Waves Along Waveguides
Sign Up to like & getrecommendations! Published in 2017 at "Integral Equations and Operator Theory"
DOI: 10.1007/s00020-018-2472-4
Abstract: We study time-harmonic electromagnetic and acoustic waveguides, modeled by an infinite cylinder with a non-smooth cross section. We introduce an infinitesimal generator for the wave evolution along the cylinder and prove estimates of the functional… read more here.
Keywords: evolution time; electromagnetic acoustic; harmonic electromagnetic; time ... See more keywords
Experimental verification of quasi-nonlinear modeling of magnetic steel for time-harmonic eddy current loss calculation
Sign Up to like & getrecommendations! Published in 2017 at "Electrical Engineering"
DOI: 10.1007/s00202-016-0372-7
Abstract: Eddy current losses are evaluated on FEM (finite element method) models of magnetic steel rings. DC magnetization curve has been obtained from measurements on steel samples and is used in FEM models for defining relative… read more here.
Keywords: time harmonic; calculation; eddy current; magnetic steel ... See more keywords
A model of the time-harmonic torsional response of piled plates using an IBEM-FEM coupling
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Analysis With Boundary Elements"
DOI: 10.1016/j.enganabound.2021.01.010
Abstract: Abstract This article presents a model of the response of rigid circular plates supported by embedded elastic pile foundations under time-harmonic torsional excitation. The contact tractions at the pile-soil and plate-soil interfaces are resolved into… read more here.
Keywords: harmonic torsional; soil; torsional response; time harmonic ... See more keywords
Fundamental solution of general time-harmonic loading over a transversely isotropic, elastic and layered half-space: An efficient and accurate approach
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Analysis With Boundary Elements"
DOI: 10.1016/j.enganabound.2021.08.006
Abstract: Abstract Time-harmonic loading over layered elastic half-spaces has applications in various science and engineering fields. While various approaches have been proposed in solving the related boundary-value problems, in this paper, we propose a new approach,… read more here.
Keywords: time; harmonic loading; approach; system vector ... See more keywords
On the unsteady and time-harmonic conservation laws of electromagnetic energy and chirality
Sign Up to like & getrecommendations! Published in 2017 at "Optik"
DOI: 10.1016/j.ijleo.2017.09.005
Abstract: Abstract We examine conservation laws of the energy and chirality for electromagnetic waves in the case of loss-free dielectric media. We show that the energy allows for conservation laws for both generic unsteady and time-harmonic… read more here.
Keywords: chirality; energy; conservation; conservation laws ... See more keywords
Optical Chirality of Time-Harmonic Wavefields for Classification of Scatterers
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-27496-w
Abstract: We derive expressions for the scattering, extinction and conversion of the chirality of monochromatic light scattered by bodies which are characterized by a T-matrix. In analogy to the conditions obtained from the conservation of energy,… read more here.
Keywords: classification; chirality; harmonic wavefields; chirality time ... See more keywords
Effect of time‐harmonic current on the harmonic leakage inductance of fractional slot concentrated winding permanent magnet synchronous motor
Sign Up to like & getrecommendations! Published in 2020 at "Iet Electric Power Applications"
DOI: 10.1049/iet-epa.2020.0077
Abstract: Harmonic leakage inductance occupies a high proportion in the synchronous inductance of fractional slot concentrated winding permanent magnet synchronous motor (FSCW-PMSM), and the synchronous inductance determines the operating performance of the motor. To calculate the… read more here.
Keywords: time harmonic; leakage inductance; inductance; harmonic leakage ... See more keywords
Electromagnetic forces on a discrete concentrator under time-harmonic illumination
Sign Up to like & getrecommendations! Published in 2023 at "Applied Physics Letters"
DOI: 10.1063/5.0139028
Abstract: We study electromagnetic forces and torques experienced on both perfect and discretized transformation-based concentrators, under time-harmonic illumination. The effect of the concentration is investigated in both cases and compared to the case of a perfect… read more here.
Keywords: electromagnetic forces; concentrator; harmonic illumination; time harmonic ... See more keywords
Lipschitz stability at the boundary for time-harmonic diffuse optical tomography
Sign Up to like & getrecommendations! Published in 2020 at "Applicable Analysis"
DOI: 10.1080/00036811.2020.1758314
Abstract: We study the inverse problem in Optical Tomography of determining the optical properties of a medium $\Omega\subset\mathbb{R}^n$, with $n\geq 3$, under the so-called diffusion approximation. We consider the time-harmonic case where $\Omega$ is probed with… read more here.
Keywords: lipschitz stability; optical tomography; time harmonic;
A 3-D Hybrid Cell Boundary Element Method for Time-Harmonic Eddy Current Problems on Multiply Connected Domains
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Magnetics"
DOI: 10.1109/tmag.2018.2889946
Abstract: A novel 3-D hybrid formulation for time-harmonic eddy current problems in multiply connected domains is presented. The interior problem (in conductive regions) is discretized by the cell method (CM) in terms of magnetic vector potentials… read more here.
Keywords: eddy current; method; harmonic eddy; time harmonic ... See more keywords
Recursive Domain Decomposition Approach in 2-D Time-Harmonic Wireless Power Transfer Simulations Considering Litz Wires
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Magnetics"
DOI: 10.1109/tmag.2020.3024158
Abstract: A recursive domain decomposition approach based on a 2-D time-harmonic finite element (FE) model with AVI formulation is used to model a wireless power transfer (WPT) unit with litz wires. Similar techniques exist in the… read more here.
Keywords: recursive domain; time; decomposition approach; model ... See more keywords