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Browsing by Subject "Integral equations"

Now showing items 1-9 of 9

An efficient integral equation technique for the analysis of arbitrarily shaped capacitive waveguide circuits

Quesada Pereira, Fernando Daniel; Vera Castejon, P.; Alvarez Melcon, Alejandro; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique (American Geophysical Union (AGU), 2011)

In this contribution a new and efficient integral equation formulation is presented for the analysis of arbitrarily shaped capacitive waveguide devices. The technique benefits from the symmetry of the structure in order ...
An Efficient Technique to Assess the Convergence of the Multimode Equivalent Network for Waveguide Devices

Gomez Molina, Celia; Quesada Pereira, Fernando; Alvarez Melcon, Alejandro; Boria Esbert, Vicente Enrique; Guglielmi, Marco (Institute of Electrical and Electronics Engineers, 2018-02)

[EN] Numerical methods are widely used to analyze and design microwave components for communication applications.In the implementation of any numerical technique, however, there are always a set of parameters ...
C*-algebra valued quasi metric spaces and fixed point results with an application

Asim, Mohammad; Kumar, Santosh; Imdad, Mohammad; George, Reny (Universitat Politècnica de València, 2022-10-03)

[EN] In this paper, we introduce the notion of C*-algebra valued quasi metric space to generalize the notion of C*-algebra valued metric space and investigate the topological properties besides proving some core fixed point ...
Coincidence points of generalized multivalued (f,L)-almost F-contraction with applications

Abbas, Mujahid; Ali, Basit; Romaguera Bonilla, Salvador (INT SCIENTIFIC RESEARCH PUBLICATIONS, 2015)

[EN] Recently Abbas [M. Abbas, Coincidence points of multivalued f−almost nonexpansive mappings, Fixed Point Theory, 13 (1) (2012), 3–10] introduced the concept of f−almost contraction which generalizes the class of ...
Contribution to the physical interpretation of characteristic mode resonances. Application to dielectric resonator antennas

Bernabeu Jiménez, Tomás (Universitat Politècnica de València, 2017-09-01)

The Theory of Characteristic Modes is being adopted by many research groups around the world in the last decade. This topic and their use in different metallic antenna design is growing very fast. However, most of the ...
Decoupled field integral equations for electromagnetic scattering from homogeneous penetrable obstacles

Vico Bondía, Felipe; Greengard, Leslie; Ferrando Bataller, Miguel (Taylor & Francis, 2018)

[EN] We present a new method for the analysis of electromagnetic scattering from homogeneous penetrable bodies. Our approach is based on a reformulation of the governing Maxwell equations in terms of two uncoupled vector ...
Exact solution for the time-dependent temperature field in dry grinding: application to segmental wheels

González-Santander Martínez, Juan Luis; Valdes Placeres, J. M.; Isidro San Juan, José María (Hindawi Publishing Corporation, 2011)

We present a closed analytical solution for the time evolution of the temperature field in dry grinding for any time-dependent friction profile between the grinding wheel and the workpiece. We base our solution in the ...
Improved F-contraction of rational type on partial metric spaces

Nazam, Muhammad; Arshad, Muhammad; Abbas, Mujahid (Universitat Politècnica de València, 2017-10-02)

[EN] Following the approach of $F$- contraction introduced by Wardowski \cite{DW}, in this paper, we introduce improved $F$-contraction of rational type in the framework of partial metric spaces and used it to obtain a ...
Integral Equation Methods for Electrostatics, Acoustics, and Electromagnetics in Smoothly Varying, Anisotropic Media

Imbert-Gérard, Lise-Marie; Vico Bondía, Felipe; Greengard, Leslie; Ferrando Bataller, Miguel (Society for Industrial and Applied Mathematics, 2019)

[EN] We present a collection of well-conditioned integral equation methods for the solution of electrostatic, acoustic, or electromagnetic scattering problems involving anisotropic, inhomogeneous media. In the electromagnetic ...