Results 71 to 80 of about 8,467 (259)
On the equivalence of Finite Element and Finite Integration formulations [PDF]
, 2009 The paper offers a comparative study of numerical methods of analysis of electromagnetic fields. The focus is on the Finite Element Method (FEM) and Finite Integration Technique (FIT), but with the cell and equivalent network approaches also considered ...
R. Wojciechowski +6 more
core +1 more source
Fully Printed Electrocaloric Heat Pump
Advanced Materials Technologies, EarlyView.A system based on a flexible printed PEDOT:PSS/P(VDF‐TrFE‐CFE) electrocaloric membrane. The membrane periodically alternates between the cold and hot sides following its electrocaloric cycle and successfully generates a temperature difference. The entire fabrication process is industrially scalable, cost‐effective, and based on widely accessible ...
Adrian Agreda +7 more
wiley +1 more source
Electromagnetic ScienceTime-periodic form or expression is commonly observed in both natural and man-made phenomena across a wide range of scientific and engineering disciplines.
Ben You, Ke Wu
doaj +1 more source
Qualitative investigation into students’ use of divergence and curl in electromagnetism
Physical Review Physics Education Research, 2016 Many students struggle with the use of mathematics in physics courses. Although typically well trained in rote mathematical calculation, they often lack the ability to apply their acquired skills to physical contexts.
Laurens Bollen +3 more
doaj +1 more source
Maxwell’s Equations and Occam’s Razor
, 2017 In this paper a straightforward application of Occam’s razor principle to Maxwell’s equation shows that only one entity, the electro-magnetic four-potential, is at the origin of a plurality of concepts and entities in physics.
Di Tommaso, a. o. +2 more
core
Reformulation of Maxwell’s Equations to Incorporate Near-Solute Solvent Structure
, 2016 Maxwell’s equations, which treat electromagnetic interactions between macroscopic charged objects in materials, have explained many phenomena and contributed to many applications in our lives.
Pei-Kun Yang (2421238) +1 more
core +1 more source
Exciton Radiative Lifetimes in Hexagonal Diamond Ge and SixGe1–x Alloys
Advanced Optical Materials, EarlyView.Strong room‐temperature photoluminescence reported in hexagonal Ge conflicts with theory predicting a nearly dark band edge. First‐principles calculations of excitonic radiative lifetimes fill a key gap in this debate, showing that pristine hexagonal Ge remains intrinsically weakly emissive, while Si alloying only modestly shortens the lifetime and ...
Michele Re Fiorentin +2 more
wiley +1 more source
Symplectic Discretizations for Maxwell’s Equations
, 2008 We construct a set of reliable finite difference methods for approximating the solution to Maxwell’s equations using the symplectic integration techniques for infinitedimensional Hamiltonian systems. These methods are obtained by discretizing the Maxwell’
Rudolf Schmid, Xiaowu Lu
core
Data‐Efficient Electromagnetic Surrogate Solver Through Dissipative Relaxation Transfer Learning
Advanced Optical Materials, EarlyView.Dissipative relaxation transfer learning (DIRTL) enables data‐efficient training of electromagnetic surrogate solvers by pretraining data generated with artificial material loss before fine‐tuning on target lossless data. The framework suppresses resonant outlier effects during early training, allowing effective adaptation to high‐amplitude resonances ...
Sunghyun Nam +2 more
wiley +1 more source
Maxwell’s and Wave Equations in Media Containing Electromagnetic Field Sources
This paper presents a new system of Maxwell’s equations and corresponding wave equations for conducting media containing electromagnetic field sources. The theoretical approach begins with a consistent generalisation of Maxwell’s differential equations ...
Vujević, Slavko
core +1 more source