Results 21 to 30 of about 947 (99)
A Meshfree Solver for the MEG Forward Problem [PDF]
Noninvasive estimation of brain activity via magnetoencephalography (MEG) involves an inverse problem whose solution requires an accurate and fast forward solver. To this end, we propose the Method of Fundamental Solutions (MFS) as a meshfree alternative
ALA, Guido +4 more
core +1 more source
Design of electromagnetic sensor for metal wear particle detection in oil
Wear is one of the common faults in the mechanical transmission system. Detection of wear particles in lubricating oil can detect and evaluate the wear degree of mechanical equipment. The electromagnetic sensor for metal wear particle detection can be connected in series with the oil circuit, which has the advantages of full liquid flow, simple ...
Yunbo Zuo, Yuhai Gu, Yanhai Zhang
wiley +1 more source
Tree method for quantum vortex dynamics
We present a numerical method to compute the evolution of vortex filaments in superfluid helium. The method is based on a tree algorithm which considerably speeds up the calculation of Biot-Savart integrals.
A. W. Baggaley +64 more
core +1 more source
Abstract Geomagnetic storms can induce geomagnetically induced currents (GIC) in power systems, posing threats to grid security. In this study, a GIC calculation model for the 500 kV power grid in Guangxi, China, is developed based on one‐dimensional (1D) and various three‐dimensional (3D) magnetotelluric (MT) impedance data.
Xuejian Zhang +7 more
wiley +1 more source
Plasmonic near‐field scanning nanoscope with a cross‐polarization detection technique
Abstract A cross‐polarization detection technique was introduced to enhance the signal‐to‐noise ratio (SNR) of a plasmonic near‐field scanning nanoscope (PNSN) using the anisotropic reflection from a metallic ridge nano‐aperture. Assuming that the nano‐aperture is an resistor‐inductor‐capacitor‐equivalent circuit, we propose an analytic circuit model ...
Hyeon Bo Shim, Jae W. Hahn
wiley +1 more source
Kinetics of merging and breaking down vortex loops is the important part of the whole vortex tangle dynamics. Another part is the motion of individual lines, which obeys the Biot-Savart law in presence of friction force and of applied external velocity ...
C.F. Barenghi +12 more
core +1 more source
A Finite Element Method for a Nonlinear Magnetostatic Problem in Terms of Scalar Potentials
ABSTRACT The aim of this paper is to perform the analysis of a numerical method based on scalar potentials for solving a nonlinear magnetostatic problem in a three‐dimensional bounded domain containing prescribed currents and magnetic materials. The method discretizes a well‐known formulation of this problem based on two scalar potentials: the total ...
Rafael Muñoz‐Sola, Pilar Salgado
wiley +1 more source
Principles and techniques of the quantum diamond microscope
Abstract We provide an overview of the experimental techniques, measurement modalities, and diverse applications of the quantum diamond microscope (QDM). The QDM employs a dense layer of fluorescent nitrogen‐vacancy (NV) color centers near the surface of a transparent diamond chip on which a sample of interest is placed.
Edlyn V. Levine +8 more
wiley +1 more source
On the long time behavior of stochastic vortices systems [PDF]
In this paper, we are interested in the long-time behaviour of stochastic systems of n interacting vortices: the position in R2 of each vortex evolves according to a Brownian motion and a drift summing the influences of the other vortices computed ...
Fontbona, Joaquin, Jourdain, Benjamin
core +4 more sources
Mean field limit of interacting filaments and vector valued non linear PDEs
Families of $N$ interacting curves are considered, with long range, mean field type, interaction. A family of curves defines a 1-current, concentrated on the curves, analog of the empirical measure of interacting point particles.
Bessaih, Hakima +2 more
core +1 more source

