On the macroscopic verifications of Klein's theorem and the proof of E0=mc2Alternative verifications of Klein's theorem and the proof of E0=mc2, for a relativistic macroscopic body are presented, using models with boundary conditions of varying complexity, together…T. C. Choy·Feb 14, 2013SaveLearn
Simple pendulum dynamics: revisiting the Fourier-based approach to the solutionThe Fourier-based analysis customarily employed to analyze the dynamics of a simple pendulum is here revisited to propose an elementary iterative scheme aimed at generating a sequence of analytical…Riccardo Borghi·Feb 14, 2013SaveLearn
Experimental demonstration of free-space information transfer using phase modulated orbital angular momentum radioIn a series of fundamental proof-of-principle experiments, comprising numerical, controlled laboratory, and real-world experimentation, we have shown that it is possible to use the angular momentum…F. Tamburini, B. Thidé, V. Boaga et al.·Feb 13, 2013SaveLearn
Balanced and optimal bianisotropic particles: Maximizing power extracted from electromagnetic fieldsHere we introduce the concept of "optimal particles" for strong interactions with electromagnetic fields. We assume that a particle occupies a given electrically small volume in space and…Younes Ra'di, Sergei A. Tretyakov·Feb 12, 2013SaveLearn
Untersuchungen zur SprechtraktakustikThis thesis investigates acoustic properties of the vocal tract. Starting from a historical background (to name a few: Galen, Ibn Sina/Avicenna, Mersenne, Hooke, Euler, Kempelen, Abbe Mical,…Frank Ranostaj·Feb 7, 2013SaveLearn
Microwave realisation of a periodically driven systemA realisation of a periodically driven microwave system is presented. The principal element of the scheme is a variable capacity, i.e. a varicap, introduced as an element of the resonant circuit.…S. Gehler, T. Tudorovskiy, C. Schindler et al.·Feb 6, 2013SaveLearn
Nonlinear normal modes of a two degree of freedom oscillator with a bilateral elastic stopA study of the non linear modes of a two degree of freedom mechanical system with bilateral elastic stop is considered. The issue related to the non-smoothness of the impact force is handled through…El Hadi Moussi, Sergio Bellizzi, Bruno Cochelin et al.·Feb 4, 2013SaveLearn
Spinning particle in a varying magnetic field: how work is done by changing external parameterThe work done by a spinning particle, or on it, when put into a varying magnetic field is discussed.Vladimír Balek·Feb 3, 2013SaveLearn
Semi-flexible bimetal-based thermal energy harvestersThis paper introduces a new semi-flexible device able to turn thermal gradients into electricity by using a curved bimetal coupled to an electret-based converter. In fact, a two-steps conversion is…S Boisseau, G. Despesse, S. Monfray et al.·Jan 28, 2013SaveLearn
Newton-Machian analysis of Neo-tychonian model of planetary motionsThe calculation of the trajectories in the Sun-Earth-Mars system will be performed in two different models, both in the framework of Newtonian mechanics. First model is well-known Copernican system,…Luka Popov·Jan 25, 2013SaveLearn
Is Planck's Constant h a "Quantum" Constant? An Alternative Classical InterpretationAlthough Planck's constant h is currently regarded as the elementary quantum of action appearing in quantum theory, it can also be interpreted as the multiplicative scale factor setting the scale…Timothy H. Boyer·Jan 25, 2013SaveLearn
Electrodynamics of Perfect ConductorsThe most general electrodynamic equations of a perfect conducting state are obtained using a variational principle in a classical framework, following an approach by Pierre-Gilles de Gennes. London…Miguel C. N. Fiolhais, Hanno Essén·Jan 23, 2013SaveLearn
Minimalist's Electromagnetism - Different Axioms and Different InsightThat the speed of light is a universal constant is a logical consequence of Maxwell's equations. Here we show the converse is also true. Electromagnetism (EM) and electrodynamics (ED), in all…Yousef Sobouti·Jan 20, 2013SaveLearn
Development of low frequencies, insulating thick diaphragms for power MEMS applicationsMajor challenges of micro thermal machines are the thermal insulation and mechanical tolerance in the case of sliding piston. Switching from piston to membrane in microengines can alleviate the…Fabien Formosa, Adrien Badel, Hugues Favrelière·Jan 19, 2013SaveLearn
Coupled thermodynamic-dynamic semi-analytical model of Free Piston Stirling enginesThe study of free piston Stirling engine (FPSE) requires both accurate thermodynamic and dynamic modelling to predict its performances. The steady state behaviour of the engine partly relies on non…Fabien Formosa·Jan 19, 2013SaveLearn
Analytical model for Stirling cycle machine designIn order to study further the promising free piston Stirling engine architecture, there is a need of an analytical thermodynamic model which could be used in a dynamical analysis for preliminary…Fabien Formosa, Ghislain Despesse·Jan 19, 2013SaveLearn
Nonlinear dynamics analysis of a membrane Stirling engine: Starting and stable operationThis paper presents the work devoted to the study of the operation of a miniaturized membrane Stirling engine. Indeed, such an engine relies on the dynamic coupling of the motion of two membranes to…Fabien Formosa·Jan 19, 2013SaveLearn
Spherically restricted motion of a charge in the field of a magnetic dipoleWe study the restricted motion of an electric charge in a spherical surface in the field of a magnetic dipole. This is the classical non-relativistic Stöermer problem within a sphere, with the dipole…Emilio Cortés, D Cortés-Poza·Jan 11, 2013SaveLearn
Time-dependent fields of a current-carrying wireThe electric and magnetic fields of an infinite straight wire carrying a steady current which is turned on abruptly are determined using Jefimenko's equations, starting from the standard…D. V. Redzic, V. Hnizdo·Jan 8, 2013SaveLearn
Generic stability in dissipative generalized mechanicsA theory of dissipative generalized continuum mechanics is presented in the framework of weakly nonlocal non-equilibrium thermodynamics. The evolution equation of microdeformation is obtained by…P. Ván·Dec 31, 2012SaveLearn
Does the body mass depend upon its speed. Discussion via exchange of lettersThe presented letters covers an almost year-long discussion of the author and a Very Qualified scientist, VQS, about the dependence of mass upon speed if relativistic corrections are taken into…Miron Ya Amusia·Dec 30, 2012SaveLearn
Perturbative stability of catenoidal soap filmsThe perturbative stability of catenoidal soap films formed between parallel, equal radii, coaxial rings is studied using analytical and semi-analytical methods. Using a theorem on the nature of…Soumya Jana, Sayan Kar·Dec 27, 2012SaveLearn
Run-up amplification of transient long wavesThe extreme characteristics of long wave run-up are studied in this paper. First we give a brief overview of the existing theory which is mainly based on the hodograph transformation (Carrier &…Themistoklis Stefanakis, Shanshan Xu, Denys Dutykh et al.·Dec 22, 2012SaveLearn
Transition wave in a supported heavy beamWe consider a heavy, uniform, elastic beam rested on periodically distributed supports as a simplified model of a bridge. The supports are subjected to a partial destruction propagating as a failure…Michele Brun, Alexander B. Movchan, Leonid I. Slepyan·Dec 21, 2012SaveLearn
A multilayer anisotropic plate model with warping functions for the study of vibrations reformulated from Woodcock's workIn this paper, a plate model suitable for static and dynamic analysis of inhomogeneous anisotropic multilayered plates is described. This model takes transverse shear variation through the thickness…Alexandre Loredo, Alexis Castel·Dec 21, 2012SaveLearn