Thermodynamical asymmetries in whirling, jumping and walkingWe analyze, from the thermodynamical point of view, mechanical systems in which there is production of mechanical energy due to an internal source of energy, and compare that analysis with the…Julio Güémez, Manuel Fiolhais·Mar 11, 2014SaveLearn
Orbit Maneuver of Spinning Tether via Tidal ForceRecently, the spinning tethered system is regarded as a typical and fundamental space structure attracting great interest of the aerospace engineers, and has been discussed primarily for specific…Hexi Baoyin, Yang Yu, Junfeng Li·Mar 10, 2014SaveLearn
Adjoint accuracy for the full-Stokes ice flow model: limits to the transmission of basal friction variability to the surfaceThis work focuses on the numerical assessment of the accuracy of an adjoint-based gradient in the perspective of variational data assimilation and parameter identification in glaciology. Using noisy…Nathan Martin, Jérôme Monnier·Mar 10, 2014SaveLearn
Trapping and localization of particles by a potential well deepening with timeThe universal mechanism of trapping and localization of sufficiently slow-speed particles by a potential well deepening with time is established on the basis of fundamental relations of classical…Azad Ch. Izmailov·Mar 9, 2014SaveLearn
Near-Field Acoustic Resonance Scattering of a Finite Bessel Beam by an Elastic SphereThe near-field acoustic scattering from a sphere centered on the axis of a finite Bessel acoustic beam is derived stemming from the Rayleigh-Sommerfeld diffraction surface integral and the addition…F. G. Mitri·Mar 7, 2014SaveLearn
The discrete Lamb problem: Elastic lattice waves in a block mediumWe study the propagation of transient waves under the action of a vertical step point load on the surface of a half-space filled by a block medium. The block medium is modeled by a square lattice of…Nadezhda Aleksandrova·Mar 6, 2014SaveLearn
Thomas-Wigner rotation and Thomas precession: actualized approachWe show that the explanation of Thomas-Wigner rotation (TWR) and Thomas precession (TP) in the framework of special theory of relativity (STR) contains a number of points of inconsistency, in…Alexander Kholmetskii, Tolga Yarman·Mar 6, 2014SaveLearn
Novel and Unique Expression for the Radiation Reaction Force, Relevance of Newton's Third Law and TunnelingWe derive the radiation reaction by taking into account that the acceleration of the charge is caused by the interaction with some heavy source particle. In the non relativistic case this leads, in…Dieter Gromes, Eduard Thommes·Mar 5, 2014SaveLearn
The dynamics of co- and counter rotating coupled spherical pendulumsThe dynamics of co- and counter-rotating coupled spherical pendulums (two lower pendulums are mounted at the end of the upper pendulum) is considered. Linear mode analysis shows the existence of…Blazej Witkowski, Przemyslaw Perlikowski, Awadhesh Prasad et al.·Mar 5, 2014SaveLearn
Electromagnetic interactions derived from potentials: charge and magnetic dipoleWe discuss some elementary examples of interactions (at low velocity) between point charges and magnetic dipoles using potentials, along the lines indicated by Konopinsky, and show that the physical…R. Coïsson·Mar 4, 2014SaveLearn
Remarks on Wheeler-Feynman absorber theoryThe derivation of absorber theory is outlined in very detail. Absorber theory is based on classical action-at-a-distance electrodynamics, but it deviates from that theory at a crucial point. It is…Gerold Gründler·Mar 4, 2014SaveLearn
Active cloaking of finite defects for flexural waves in elastic platesWe present a new method to create an active cloak for a rigid inclusion in a thin plate, and analyse flexural waves within such a plate governed by the Kirchhoff plate equation. We consider…J. O'Neill, O. Selsil, R. C. McPhedran et al.·Mar 4, 2014SaveLearn
Stored Electromagnetic Energy and Quality Factor of Radiating StructuresThis paper deals with the old yet unsolved problem of defining and evaluating the stored electromagnetic energy - a quantity essential for calculating the quality factor, which reflects the intrinsic…Miloslav Capek, Lukas Jelinek, Guy A. E. Vandenbosch·Mar 3, 2014SaveLearn
The Thermodynamic Covariance PrincipleThe concept of equivalent systems from the thermodynamic point of view, originally introduced by Th. De Donder and I. Prigogine, is deeply investigated and revised. From our point of view, two…Giorgio Sonnino, Alberto Sonnino·Mar 3, 2014SaveLearn
History-dependent friction and slow slip from time-dependent microscopic junction laws studied in a statistical frameworkTo study the microscopic origins of friction, we build a framework to describe the collective behaviour of a large number of individual micro-junctions forming a macroscopic frictional interface.…Kjetil Thøgersen, Jørgen Kjoshagen Trømborg, Julien Scheibert et al.·Feb 26, 2014SaveLearn
Discrete Transformations in the Thomson ProblemA significantly lower upper limit to minimum energy solutions of the electrostatic Thomson Problem is reported. A point charge is introduced to the origin of each N-charge solution. This raises the…Tim LaFave·Feb 22, 2014SaveLearn
Correspondences between the Classical Electrostatic Thomson Problem and Atomic Electronic StructureCorrespondences between the Thomson Problem and atomic electron shell-filling patterns are observed as systematic non-uniformities in the distribution of potential energy necessary to change…Tim LaFave·Feb 22, 2014SaveLearn
Solutions of the Wheeler-Feynman equations with discontinuous velocitiesWe generalize Wheeler-Feynman electrodynamics with a variational boundary-value problem with past and future boundary segments that can include velocity discontinuity points. Critical-point…Daniel Câmara de Souza, Jayme De Luca·Feb 20, 2014SaveLearn
Asymptotic of 'rigid-body' motions for nonlinear dynamics: physical insight and methodologiesThe purpose of the present work is to show that an adequate basis for understanding the essentially nonlinear phenomena must also be essentially nonlinear however still simple enough to play the role…V. N. Pilipchuk·Feb 18, 2014SaveLearn
On morphoelastic rodsMorphoelastic rods are thin bodies which can grow and can change their intrinsic curvature and torsion. We deduce a system of equations ruling accretion and remodeling in a morphoelastic rod by…Alessandro Tiero, Giuseppe Tomassetti·Feb 16, 2014SaveLearn
Electric Current Multipole Moments in Classical ElectrodynamicsThe general theory for electric current multipoles appearing at the motion of magnetic dipoles and change in these values or orientation has been suggested. Static multipoles, including an anapole,…Alexander J. Silenko·Feb 16, 2014SaveLearn
Robust acoustic cloaking with density-near-zero materialsUsing the phenomenon of extraordinary sound transmission (EST) through artificially constructed density-near-zero (DNZ) materials, we propose an alternative approach to realize a very robust acoustic…Jiajun Zhao, Tiancheng Han, Zhining Chen et al.·Feb 14, 2014SaveLearn
Is the jet-drive flute model able to produce modulated sounds like Flautas de Chinos ?Flautas de chinos - prehispanic chilean flutes played during ritual celebrations in central Chile - are known to produce very particular beating sounds, the so-called sonido rajado. Some previous…Soizic Terrien, Christophe Vergez, Patricio De La Cuadra et al.·Feb 13, 2014SaveLearn
From mechanics to thermodynamics -- analysis of selected examplesWe present and discuss a selected set of problems of classical mechanics and thermodynamics. The discussion is based on the use of the impulse-momentum equation simultaneously with the centre-of-mass…Julio Güémez, Manuel Fiolhais·Feb 11, 2014SaveLearn
Analysis of reinforced concrete beams by the equivalent section methodThis research investigates the analysis of reinforced concrete beams subjected to combined axial load, bending moment and shear force. Cross-sections of general shape are divided, along the height,…Mauro Schulz, Maria Paola Santisi D'Avila·Feb 10, 2014SaveLearn