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Valerio De Santis, Antonio Di Francesco and Alessandro G. D?Aloia
The incorporation of hysteresis models in computational electromagnetic software is of paramount importance for the accurate prediction of the ferromagnetic devices? performance. The Preisach and Jiles-Atherton (J-A) models are frequently used for this p...
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Kurt Strack, Sofia Davydycheva, Herminio Passalacqua, Maxim Smirnov and Xiayu Xu
Fluid imaging is one of the key geophysical technologies for the energy industry during energy transition to zero footprint. We propose better Cloud-based fluid distribution imaging to allow better, more optimized production, thus reducing carbon dioxide...
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Xiao Liu, Fan Yang, Maokun Li and Shenheng Xu
Generalized boundary conditions (GBCs) for electromagnetic surfaces are investigated in this paper, which can be used to analytically characterize field discontinuities across two-dimensional surfaces. First, five representative features are described to...
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Claas Broecheler, Christian Thiel, Frank Ludwar, Andreas Rennings and Daniel Erni
Underwater electric potential (UEP) ship signatures are evaluated at a test site that provides only incoherent data from electric field sensors placed on the seabed. This paper shows how these data sets can be used to extract significant seabed parameter...
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Gang Li, Fugui Tang, Chaofan Li, Wen Lei and Ying Liu
Gas hydrate is seen as a kind of new energy resources, yet it may also be one of the main greenhouse gases as its dissociation may release methane into the atmosphere. Furthermore, a severe hazard to offshore infrastructures may also be introduced by ext...
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Adrian Amor-Martin and Luis E. Garcia-Castillo
This work can improve the computational resources employed to achieve a given accuracy in electromagnetic simulation.
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Dipankar Mitra, Sukrith Dev, Jacob Lewis, Jerika Cleveland, Monica S. Allen, Jeffery W. Allen and Benjamin D. Braaten
The proposed array will have future applications in structurally integrated and conformal phased array antennas for wireless communications, radars, and sensing where antenna performance is a function of structural and mechanical restraints.
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Christin Bobe, Daan Hanssens, Thomas Hermans and Ellen Van De Vijver
Often, multiple geophysical measurements are sensitive to the same subsurface parameters. In this case, joint inversions are mostly preferred over two (or more) separate inversions of the geophysical data sets due to the expected reduction of the non-uni...
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Neil Foley, Slawek M. Tulaczyk, Denys Grombacher, Peter T. Doran, Jill Mikucki, Krista F. Myers, Nikolaj Foged, Hilary Dugan, Esben Auken and Ross Virginia
The Southern Ocean receives limited liquid surface water input from the Antarctic continent. It has been speculated, however, that significant liquid water may flow from beneath the Antarctic Ice Sheet, and that this subglacial flow carries that water al...
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Quanquan Wang, Huazhong Liu, Yan Wang and Zhaoneng Jiang
The marching-on-in-degree (MOD) time-domain integral equation (TDIE) solver for the transient electromagnetic scattering of the graphene is presented in this paper. Graphene?s dispersive surface impedance is approximated using rational function expressio...
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Quanquan Wang, Huazhong Liu, Yan Wang and Zhaoneng Jiang
The marching-on-in-degree (MOD) time-domain integral equation (TDIE) solver for the transient electromagnetic scattering of the graphene is presented in this paper. Graphene?s dispersive surface impedance is approximated using rational function expressio...
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Franklin Drummond and Gregory Huff
An Unmanned Aerial System (UAS) has been developed which is based on an aerodynamically functionalized planar wideband antenna. The antenna utilizes a planar circular dipole metallization scheme. The aerodynamic structure implements a planform similar to...
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Miguel Ruiz Cabello, Antonio J. Martín Valverde, Borja Plaza, Malte Frövel, David Poyatos, Amelia R. Bretones, Alberto G. Bravo and Salvador G. García
Efficiently modeling thin features using the finite-difference time-domain (FDTD) method involves a considerable reduction in the spatial mesh size. However, in real-world scenarios, such reductions can lead to unaffordable memory and CPU requirements. I...
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Martin ?tumpf
Pulsed electromagnetic (EM) field transmission through a relatively small rectangular aperture is analyzed with the aid of the Cagniard?deHoop method of moments (CdH-MoM). The classic EM scattering problem is formulated using the EM reciprocity theorem o...
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Stefan Biser, Guido Wortmann, Swen Ruppert, Mykhaylo Filipenko, Mathias Noe and Martin Boll
Electric propulsion (EP) systems offer considerably more degrees of freedom (DOFs) within the design process of aircraft compared to conventional aircraft engines. This requires large, computationally expensive design space explorations (DSE) with couple...
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Rana Sadaf Anwar, Lingfeng Mao and Huansheng Ning
The intent of this paper is to provide an overview of basic concepts, types, techniques, and experimental studies of the current state-of-the-art Frequency Selective Surfaces (FSSs). FSS is a periodic surface with identical two-dimensional arrays of elem...
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