Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 23 for “"Computational electromagnetic"”.
-
Graphics Processing Unit Acceleration Of Computational Electromagnetic Methods
… often relied upon in to perform simulations in computational electromagnetics. While originally designed purely to display graphics on the users monitor, GPU's today are essentially powerful floating point co-processors that can be programmed not only to render complex graphics, but also perform …
-
A computational electromagnetic framework for waveguide quantum electrodynamics
… two-level system (TLS) embedded in an arbitrary electromagnetic continuum. The dressed states of the system are also found using a method of direct diagonalization of operators. The physics and essential features of the dressed states are related to the DGF. The dynamics of the system are solved …
-
PARAMETERS THAT AFFECT PARALLEL PROCESSING FOR COMPUTATIONAL ELECTROMAGNETIC SIMULATION CODES ON HIGH PERFORMANCE COMPUTING CLUSTERS
… and associated advanced technologies on computational software for science? Most researchers and students have multicore laptops or desktops for their research and they need computing power to run computational software packages. Computing power was initially derived from Central …
-
Assessing the benefits of DCT compressive sensing for computational electromagnetics
Computational electromagnetic problems are becoming exceedingly complex and traditional computation methods are simply no longer good enough for our technologically advancing world. Compressive sensing theory states that signals, such as those used in computational electromagnetic problems have a …
-
Computation of electromagnetic fields in assemblages of biological cells using a modified finite difference time domain scheme. Computational electromagnetic methods using quasi-static approximate version of FDTD, modified Berenger absorbing boundary and Floquet periodic boundary conditions to investigate the phenomena in the interaction between EM fields and biological systems.
… of individual biological cells exposed to electromagnetic fields. In this area of solving linear problem, the most frequently used technique for computing the EM field is the Finite-Difference Time-Domain (FDTD) method. When modelling objects that are small compared with the wavelength, for …
-
Development of provably stable A-phi formulation time domain integral equations
… are becoming an increasingly important area for electromagnetic engineering. To address practical problems in these emerging areas, appropriate numerical techniques must be utilized. However, the unique needs of many of these applications require the development of new computational …
-
An enhanced augmented electric field integral equation and the calculation of casimir force using computational electromagnetics
… diagonal FMA at higher frequencies. Finally, the computational electromagnetic techniques are applied to the calculations of the Casimir force. The application of the integral equation method in Casimir force calculation is briefly reviewed and we proposed an efficient computing scheme using the …
-
Radio wave imaging using Ultra-Wide Band Spectrum Antennas for Near-Field Applications. Design, Development, and Measurements of Ultra-Wideband Antenna for Microwave Near-Field Imaging Applications by applying Optimisation Algorithms
… in high loss material. Others are lengthy computational time demand and large computer memory requirements are prevalent constraints that need to be tackled especially in a large scale and complex computational electromagnetic analysis. In this regard, it is necessary to find out recently …
-
Exact Solutions to Electromagnetic Scattering Problems with Multi-Layered Oblate Spheroidal Geometry
Computational electromagnetic methods (CEM) play a critical role in the design and analysis of complex electromagnetic (EM) systems. CEM, such as the finite element method (FEM), finite-difference time-domain (FDTD), and method of moments (MoM), allow researchers and engineers to solve practical EM …
-
Deep Learning for the modeling and design of artificial electromagnetic materials
<p>Artificial electromagnetic materials (AEMs) are materials that exhibit unusual electromagnetic properties. With sub-wavelength, periodic structures, AEMs can achieve incredible abilities to manipulate light, like the cloaking effect of the “invisibility cloak” in the Harry Potter movie. Apart …
-
Radio wave imaging using Ultra-Wide Band Spectrum Antennas for Near-Field Applications. Design, Development, and Measurements of Ultra-Wideband Antenna for Microwave Near-Field Imaging Applications by applying Optimisation Algorithms
… in high loss material. Others are lengthy computational time demand and large computer memory requirements are prevalent constraints that need to be tackled especially in a large scale and complex computational electromagnetic analysis. In this regard, it is necessary to find out recently …
-
Anomalous Reflection from Phase Gradient Metasurfaces for Arbitrary Incident Angles
… with various incident angles are simulated in a computational electromagnetic (CEM) software package, CST Studio Suite, and compared to the proposed prediction method. A single gradient metasurface is designed at a different frequency and its bistatic and monostatic RCS is measured in the Compact …
-
Numerical modelling and design of wideband electromagnetic structures at radio frequencies: Applications in cosmology and digital communications
This thesis discusses the use of computational electromagnetic simulation technology to simulate various physical scenarios for analysis and design. Digital communications continue to dominate modern communication, and require increasing bandwidth to transfer the volume of information in use in …
-
A Modelling Framework for Lightning-Induced Common-Mode Currents in Photovoltaic Modules and Small Arrays
Lightning generates electromagnetic interference (EMI) that can couple into photovoltaic (PV) installations and induce transient phenomena capable of damaging system components. Existing research primarily focuses on coupling through internal conductive paths, whereas studies on leakage currents do …
-
Matrix-free time-domain methods for general electromagnetic analysis
… engineering challenges demand an efficient computational solution of large-scale problems. If a computational method can be made free of matrix solutions, then it has a potential of solving very large scale problems. Among existing computational electromagnetic methods, the explicit …
-
Method of Moment Analysis of Partially Shielded Chiral Bodies of Revolution
… foundation of mathematical physics and sound computational electromagnetic methods of our theory by producing correct scattered fields and radar cross sections of the chiral and perfectly conducting sphere, chiral and perfectly conducting cylinder, chiral and perfectly conducting cone. Chapter …
-
Physically Realistic Rendering of Complex Materials Using Wave optics
… rendering. In these works, we leverage different computational electromagnetics methods including the boundary element method (BEM), physical optics approximations, and analytic solutions, and make the wave scattering computation tractable. The new material models are integrated into a path tracer …
-
Collaborative control of wave glider platforms - Local Communication and Sea State Estimation
… first study investigated the influence that the electromagnetic properties of seawater may have on the transmission of signals from one node to the second through simulations using the computational electromagnetic package FEKO. It revealed that, at the frequency of operation, which was 868 MHz, …
-
High Order Technologies in Boundary Element Methods: Analyses, Algorithms, Applications
L'abstract è presente nell'allegato / the abstract is in the attachment
-
Novel techniques for improved indoor positioning and localization using HF RFID
… of loop antennas for employing at the reader are electromagnetically analysed using both closed form solutions and numerical computations. The formation of reader recognition area (RRA) from different arrangements of loop reader antennas is also studied. To ensure that proposed bridge antennas can …
Page 1 of 2