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Classical Physics papers — page 165

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The self-interaction force on an arbitrarily moving point-charge and its energy-momentum radiation rate: A mathematically rigorous derivation of the Lorentz-Dirac equation of motion
The classical theory of radiating point-charges is revisited: the retarded potentials, fields, and currents are defined as nonlinear generalized functions and all calculations are made in a Colombeau…
Andre GsponerDec 18, 2008
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A recursive approach for the finite element computation of waveguides
The finite element computation of structures such as waveguides can lead to heavy computations when the length of the structure is large compared to the wavelength. Such waveguides can in fact be…
Denis DuhamelDec 18, 2008
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Electrodynamics in a Filled Minkowski Spacetime with Application to Classical Continuum Electrodynamics
Minkowski spacetime is a convenient setting for the study of the relativistic dynamics of particles and fields in the vacuum. In order to study events that occur in a dielectric or other linear…
Michael E. CrenshawDec 17, 2008
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Matched asymptotic expansions for twisted elastic knots: a self-contact problem with non- trivial contact topology
We derive solutions of the Kirchhoff equations for a knot tied on an infinitely long elastic rod subjected to combined tension and twist. We consider the case of simple (trefoil) and double…
N. Clauvelin, B. Audoly, S. NeukirchDec 15, 2008
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Wave-corpuscle mechanics for elementary charges
It is well known that a concept of point charge interacting with electromagnetic (EM) field has a problem. To address that problem we introduce a concept of wave-corpuscle to describe spinless…
Anatoli Babin, Alexander FigotinDec 14, 2008
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Direct and inverse scattering problems for spherical Electromagnetic waves in chiral media
We study the direct and inverse scattering problems when the incident electromagnetic field is a time harmonic point- generated wave in a chiral medium and the scatterer is a perfectly conducting…
Nikolaos Berketis, Christodoulos AthanasiadisDec 11, 2008
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Application of the orthogonality principle to the endochronic and Mroz models of plasticity
A new description of the endochronic and the Mroz model is discussed. It is based on the definition of a suitable pseudo-potential and the use of the generalized normality assumption. The key-point…
Nelly Point, Silvano ErlicherDec 10, 2008
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Endochronic theory, non-linear kinematic hardening rule and generalized plasticity: a new interpretation based on generalized normality assumption
A simple way to define the flow rules of plasticity models is the assumption of generalized normality associated with a suitable pseudo-potential function. This approach, however, is not usually…
Silvano Erlicher, Nelly PointDec 10, 2008
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Cascade unlooping of a low-pitch helical spring under tension
We study the force vs extension behaviour of a helical spring made of a thin torsionally-stiff anisotropic elastic rod. Our focus is on springs of very low helical pitch. For certain parameters of…
E. L. Starostin, G. H. M. van der HeijdenDec 9, 2008
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Instantaneous identification of Bouc-Wen-type hysteretic systems from seismic response data
This paper presents a technique for identification of non-linear hysteretic systems subjected to non-stationary loading. In the numerical simulations, a Bouc-Wen model was chosen for its ability to…
Rosario Ceravolo, Giacomo Demarie, Silvano ErlicherDec 9, 2008
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Effects of Spatial Dispersion on Reflection from Mushroom-type Artificial Impedance Surfaces
Several recent works have emphasized the role of spatial dispersion in wire media, and demonstrated that arrays of parallel metallic wires may behave very differently from a uniaxial local material…
Olli Luukkonen, Mário G. Silveirinha, Alexander B. Yakovlev et al.Dec 9, 2008
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Multiple Resonances in Fluid-Loaded Vibrating Structures
This study deals with vibroacoustics under heavy fluid loading conditions. Considerable attention has been and remains focused on this subject not only because industry is very concerned but also…
Pierre-Olivier MatteiDec 9, 2008
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Surface waves and surface stability for a pre-stretched, unconstrained, non-linearly elastic half-space
An unconstrained, non-linearly elastic, semi-infinite solid is maintained in a state of large static plane strain. A power-law relation between the pre-stretches is assumed and it is shown that this…
J. G. Murphy, M. DestradeDec 8, 2008
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Illustrating Some Implications of the Conservation Laws in Relativistic Mechanics
The conservation laws of nonrelativistic and relativistic systems are reviewed and some simple illustrations are provided for the restrictive nature of the relativistic conservation law involving the…
Timothy H. BoyerDec 4, 2008
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Classical Mobius-Ring Resonators Exhibit Fermion-Boson Rotational Symmetry
The behavior of coupled harmonic oscillators in systems with specified boundary conditions is typically characterized by resonances whose frequency spectra represent harmonics according to properties…
Douglas J. Ballon, Henning U. VossDec 1, 2008
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Introduccion a la Teoria de los Monopolos Magneticos
This is a paper with the aim of give the student a detailed calculation of magnetic monopole's Dirac theory.
Mauricio VargasDec 1, 2008
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Manipulating the Loss in Electromagnetic Cloaks for Perfect Wave Absorption
We examine several ways to manipulate the loss in electromagnetic cloaks, based on transformation electromagnetics. It is found that, by utilizing inherent electric and magnetic losses of…
Christos Argyropoulos, Efthymios Kallos, Yan Zhao et al.Nov 26, 2008
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An Intrinsic Approach to Forces in Magnetoelectric Media
This paper offers a conceptually straightforward method for the calculation of stresses in polarisable media based on the notion of a drive form and its property of being closed in spacetimes with…
R. W. Tucker, T. J. WaltonNov 26, 2008
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Large-amplitude Love waves
In the context of the finite elasticity theory, we consider a model for compressible solids called 'compressible neo-Hookean material'. We show how finite-amplitude inhomogeneous plane wave…
Elizabete Rodrigues Ferreira, Philippe Boulanger, Michel DestradeNov 25, 2008
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Asymptotic results for bifurcations in pure bending of rubber blocks
The bifurcation of an incompressible neo-Hookean thick block with a ratio of thickness to length eta, subject to pure bending, is considered. The two incremental equilibrium equations corresponding…
Ciprian Coman, Michel DestradeNov 25, 2008
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A wave near the edge of a circular disk
It is shown that in the Love-Kirchhoff plate theory, an edge wave can travel in a circular thin disk made of an isotropic elastic material. This disk edge wave turns out to be faster than the classic…
Michel Destrade, Yibin FuNov 24, 2008
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Mechanics of Stabbing: Biaxial Measurement of Knife Stab Penetration of Skin Simulant
In medicolegal situations, the consequences of a stabbing incident are described in terms that are qualitative without being quantitative. Here, the mechanical variables involved in knife-tissue…
Michael D. Gilchrist, Stephen Keenan, Michael Curtis et al.Nov 24, 2008
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Piezoacoustic wave spectra using improved surface impedance matrix: Application to high impedance-contrast layered plates
Starting from the general modal solutions for a homogeneous layer of arbitrary material and crystalline symmetry, a matrix formalism is developed to establish the semi analytical expressions of the…
Victor Y. Zhang, Bertrand Dubus, Bernard Collet et al.Nov 24, 2008
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Grounded Uniaxial Material Slabs as Magnetic Conductors
The objective of this paper is all-angle artificial magnetic conductor, i.e. artificial magnetic conductor that has stable magnetic-wall effect with respect to the incidence angle. Furthermore, we…
Olli Luukkonen, Constantin R. Simovski, Sergei A. TretyakovNov 21, 2008
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Approximation of the acoustic radiation impedance of a cylindrical pipe
Useful approximation formulae for radiation impedance are given for the reflection coefficients of both infinitely flanged and unflanged rigid-walled cylindrical ducts. The expressions guarantee that…
Fabrice Silva, Philippe Guillemain, Jean Kergomard et al.Nov 21, 2008
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