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wave-scattering problems solution

Closed Solution of EM Wave Scattering Problems and Creating Materials with Specific Performances

Closed Solution of EM Wave Scattering Problems and Creating Materials with Specific Performances

... Abstract: - The new results on EM wave scattering by small particles embedded in homogeneous medium are discussed. Such particles can be as the thin perfectly conducting wires or small impedance spheres. ...

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Characteristic Basis Function Method for Iteration-Free Solution of Large Method of Moments Problems

Characteristic Basis Function Method for Iteration-Free Solution of Large Method of Moments Problems

... of problems — bothguided-wave and scattering ...large problems, often using a Jacobi- type algorithm, which is often fraught with convergence ...large problems, without the use of ...

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Convergence Properties of a Diakoptics Method for Electromagnetic Scattering from 3-D Complex Structures

Convergence Properties of a Diakoptics Method for Electromagnetic Scattering from 3-D Complex Structures

... Abstract—Linear embedding via Green’s operators (LEGO) is a diakoptics method that employs electromagnetic “bricks” to formulate problems of wave scattering from complex structures (e.g., penetrable ...

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Windowed Integral Equation Methods for Problems of Scattering by Defects and Obstacles in Layered Media

Windowed Integral Equation Methods for Problems of Scattering by Defects and Obstacles in Layered Media

... of scattering of a plane electromagnetic wave by a two-dimensional circular dielectric ...plane wave in this example is 500 nm and the diameter of the circles is 5 µm— which makes the circles 10 ...

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Electromagnetic Wave Scattering from an Infinite Periodic Array of Hollow Conducting Circular Cylinders of Finite Length

Electromagnetic Wave Scattering from an Infinite Periodic Array of Hollow Conducting Circular Cylinders of Finite Length

... analytical solution, the method of Riemann-Hilbert boundary value problem was applied to an axially periodic array of hollow conducting cylinders as an eigenvalue problem without excitation ...two-dimensional ...

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GPU Accelerated Fourier Continuation Solvers and Physically Exact Computational Boundary Conditions for Wave Scattering Problems

GPU Accelerated Fourier Continuation Solvers and Physically Exact Computational Boundary Conditions for Wave Scattering Problems

... For all of the numerical approaches discussed above, accurate treatment of an unbounded physical domain with a finite, bounded computational domain requires the specification of appropriate boundary conditions at the new ...

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Scattering Problem and Resonances for Three-Body Coulomb Quantum Systems: Parallel Calculations

Scattering Problem and Resonances for Three-Body Coulomb Quantum Systems: Parallel Calculations

... the solution of scattering and resonance problems based on splitting the potential into a finite range part and a long range tail part is ...explicit solution to the Schrödinger equation for ...

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Numerical Method for Solving Electromagnetic Wave Scattering by One and Many Small Perfectly Conducting Bodies

Numerical Method for Solving Electromagnetic Wave Scattering by One and Many Small Perfectly Conducting Bodies

... Many real-world electromagnetic (EM) problems like EM wave scattering, EM radiation, etc. [1], cannot be solved analytically and exactly to get a solution in a closed form. Thus, numerical ...

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Semi-infinite herringbone waveguides in elastic plates

Semi-infinite herringbone waveguides in elastic plates

... flexural wave scattering has been conducted by Haslinger et ...of solution adopted by these authors included a discrete Wiener-Hopf method and a wave scattering technique inspired by ...

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A P-Variable Higher-Order Finite Volume Time Domain Method for Electromagnetic Scattering

A P-Variable Higher-Order Finite Volume Time Domain Method for Electromagnetic Scattering

... EM scattering from 2D perfectly conducting circular cylinders as shown in Figure 1 and compared with the exact ...harmonic wave, after which complex surface currents are obtained using a Fourier ...or ...

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The Scattering of a Cylindrical Shear Axial Wave by a Circular Cavity in Piezoelectric Crystal

The Scattering of a Cylindrical Shear Axial Wave by a Circular Cavity in Piezoelectric Crystal

... a scattering wave. The greatest difference of scattering indicatrix of a cylindrical wave, that expressed by amplification of its scattering in comparison with a plane wave on ...

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Wave scattering in spatially inhomogeneous currents

Wave scattering in spatially inhomogeneous currents

... the scattering coeffi- cients as functions of incident wave frequency ω ˆ for accelerating and decelerating sub-, super-, and transcritical currents, as well as for all possible types of incident ...the ...

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Finite Element Analysis for Acoustic Wave Transmission in Ultrasonic Tomography Application

Finite Element Analysis for Acoustic Wave Transmission in Ultrasonic Tomography Application

... acoustic wave able to penetrate through the water-crude oil boundary, the ...acoustic wave, the sound pressure level was computed and compared as in Figure ...

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Wave packet scattering and time delay

Wave packet scattering and time delay

... of scattering (Dirac 1926, 1927) the initial state of the system was specified at time t = ...The wave function for subsequent times was obtained by time-dependent perturbation theory, however, and so was ...

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OBLIQUE RAYLEIGH WAVE SCATTERING BY A CYLINDRICAL CAVITY

OBLIQUE RAYLEIGH WAVE SCATTERING BY A CYLINDRICAL CAVITY

... In [11], Gregory’s method is described as “rather cumbersome” and in [9] it is noted that Gregory’s solution “contains complicated contour integrals which are difficult to evaluate numerically”. The latter statement ...

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Classification of Bounded Travelling Wave Solutions of the General Burgers-Boussinesq Equation

Classification of Bounded Travelling Wave Solutions of the General Burgers-Boussinesq Equation

... bounded solution of (8) we ob- tain the numerical simulation for corresponding bounded travelling wave solutions of the system ...solitary wave solution, periodic travelling wave ...

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Modulation of Observed Thomson Scattering Spectra in a Plasma Density Irregularity

Modulation of Observed Thomson Scattering Spectra in a Plasma Density Irregularity

... plasma wave amplitude δ n 2 ω,x =0 will be a slowly varying function of ω provided it is not modulated due to the effect of the plasma wave trapping inside the ...

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The scattering of waves by an elastic floating body on water of variable depth : a thesis presented in partial fulfillment of the requirement for the degree of Master of Science in the subject of Mathematics at Massey University, Albany, New Zealand

The scattering of waves by an elastic floating body on water of variable depth : a thesis presented in partial fulfillment of the requirement for the degree of Master of Science in the subject of Mathematics at Massey University, Albany, New Zealand

... To solve the wave scattering problem by an elastic body floating on water of variable depth we use the far-field method and the BEM.. Our solution technique involves two main steps.[r] ...

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Taglieber, Matthias
  

(2008):


	Quantum Degeneracy in an Atomic Fermi-Fermi-Bose Mixture.


Dissertation, LMU München: Fakultät für Physik

Taglieber, Matthias (2008): Quantum Degeneracy in an Atomic Fermi-Fermi-Bose Mixture. Dissertation, LMU München: Fakultät für Physik

... a scattering resonance that occurs if two colliding atoms couple resonantly to a bound molecular ...unfavorable scattering properties for the generation of BEC [34, 54, 55] and to associate ultracold ...

150

Forging the link between nuclear reactions and nuclear structure

Forging the link between nuclear reactions and nuclear structure

... the solution of the Dyson equation below the Fermi energy, one can generate the one-body density matrix by integrating the non-diagonal imaginary part of the propagator up to the Fermi energy and therefore access ...

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