The classical harmonic chain: solution via Laplace transforms and continued fractionsThe harmonic chain is a classical many-particle system which can be solved exactly for arbitrary number of particles (at least in simple cases, such as equal masses and spring constants). A nice…Nick Kwidzinski, Ralf Bulla·Jul 29, 2016SaveLearn
On the role of micro-inertia in enriched continuum mechanicsIn this paper the role of gradient micro-inertia terms η∇ u,t2 and free micro-inertia terms η p,t2 is investigated to unveil their respective effect…Angela Madeo, Patrizio Neff, Elias C. Aifantis et al.·Jul 22, 2016SaveLearn
Constructor Theory of ThermodynamicsAll current formulations of thermodynamics invoke some form of coarse-graining or ensembles as the supposed link between their own laws and the microscopic laws of motion. They deal only with…Chiara Marletto·Jul 21, 2016SaveLearn
Radiative transfer of acoustic waves in continuous complex media: Beyond the Helmholtz equationHeterogeneity can be accounted for by a random potential in the wave equation. For acoustic waves in a fluid with fluctuations of both density and compressibility (as well as for electromagnetic…Ibrahim Baydoun, Diego Baresch, Romain Pierrat et al.·Jul 21, 2016SaveLearn
Spatio-temporal wavefront shaping in a microwave cavityControlling waves in complex media has become a major topic of interest, notably through the concepts of time reversal and wavefront shaping. Recently, it was shown that spatial light modulators can…Philipp del Hougne, Fabrice Lemoult, Mathias Fink et al.·Jul 21, 2016SaveLearn
Circular plate capacitor with different disksIn this paper we write a system of integral equations for a capacitor composed by two disks of different radii, generalizing Love's equation for equal disks. We compute the complete asymptotic…Giampiero Paffuti, Enrico Cataldo, Alberto Di Lieto et al.·Jul 19, 2016SaveLearn
Forced acoustical response of an open cavity coupled with a semi-infinite spaceThis paper presents a study of the forced acoustical response of an open cavity from the perspective of modal expansion. Based on the coupled mode theory, it is shown that the sound pressure…Yuhui Tong, Yiwei Kou, Jie Pan·Jul 17, 2016SaveLearn
Prediction of the vibroacoustic response of a structure-liner-fluid system based on a patch transfer function approach and direct experimental subsystem characterisationThe vibro-acoustic response of a structure-liner-fluid system is predicted by application of a patch impedance coupling methodology. In contrast to existing numerical approaches, impedance matrices…Christopher G. Albert, Giorgio Veronesi, Eugène Nijman et al.·Jul 15, 2016SaveLearn
A Statistical Mechanical Model for Mass Stability in the SHP TheoryWe construct a model for a particle in the framework of the theory of Stueckelberg, Horwitz and Piron (SHP) as an ensemble of events subject to the laws of covariant classical equilibrium statistical…Lawrence Horwitz·Jul 13, 2016SaveLearn
Distributional and regularized radiation fields of non-uniformly moving straight dislocations, and elastodynamic Tamm problemThis work introduces original explicit solutions for the elastic fields radiated by non-uniformly moving, straight, screw or edge dislocations in an isotropic medium, in the form of time-integral…Markus Lazar, Yves-Patrick Pellegrini·Jul 11, 2016SaveLearn
A Method for stability analysis of magnetic bearings : Basic stability criteriaIn this work I outline a general procedure for dynamic modeling and stability analysis of a magnetic bearing, which is a rotating shaft confined inside a chamber through electromagnetic forces alone.…B Shayak·Jul 11, 2016SaveLearn
Minimizing heat loss in DC networks using batteriesElectricity transmission networks dissipate a non-negligible fraction of the power they transport due to the heat loss in the transmission lines. In this work we explore how the transport of energy…Alessandro Zocca, Bert Zwart·Jul 11, 2016SaveLearn
Practical Design and Implementation of Metamaterial-Enhanced Magnetic Induction CommunicationAlthough wireless communications in complex environments, such as underground, underwater, and indoor, can enable a large number of novel applications, their performances are constrained by lossy…Hongzhi Guo, Zhi Sun, Chi Zhou·Jul 9, 2016SaveLearn
Pencil-Beam Single-point-fed Dirac Leaky-Wave Antenna on a Transmission-Line GridLeaky-wave antennas (LWAs) are widely used as single-point-fed linear antenna arrays. The extension of LWAs to 2D implies that they can be used as single-point-fed 2D antenna arrays without requiring…Ayman H. Dorrah, George V. Eleftheriades·Jul 5, 2016SaveLearn
A New Method to Optimize Finite Dimensions Thermodynamic Models: application to an Irreversible Stirling EngineDifferent economical configurations, due for instance to the relative cost of the fuel it consumes, can push a heat engine into operating whether at maximum efficiency or at maximum power produced.…F. Lanzetta, A. Vaudrey, P. Baucour·Jul 4, 2016SaveLearn
On the analytical formulation of classical electromagnetic fieldsThree objections to the canonical analytical treatment of covariant electromagnetic theory are presented: (i) only half of Maxwell's equations are present upon variation of the fundamental…Mark Robert Baker·Jul 1, 2016SaveLearn
Phase Cascade Bridge Rectifier Array in a 2-D latticeWe report on a novel rectification phenomenon in a 2-D lattice network consisting of N× N sites with diode and AC source elements with controllable phases. A phase cascade configuration is…M. Nazari, A. M. Gole, M. K. Hong et al.·Jun 30, 2016SaveLearn
Acoustic Eaton lens array and its fluid applicationA principle of an acoustic Eaton Lens array and its application as a removable tsunami wall is proposed theoretically. The lenses are made of expandable rubber pillars or balloons and create a…Sang-Hoon Kim, Sy Pham-Van, Mukunda P. Das·Jun 29, 2016SaveLearn
Thermodynamics. Using Affinities to define reversible processesIn this article a definition of reversible processes in terms of differences in intensive Thermodynamics properties (Affinities) is proposed. This definition makes it possible to both define…Hernán A. Ritacco·Jun 29, 2016SaveLearn
The principle of the mutual energyAdvanced potential solution of Maxwell equations isn't often accepted. We have proven if without advanced potential, it is not possible to satisfy the Maxwell equations. We also shown that it is…Shuang-ren Zhao, Kevin Yang, Kang Yang et al.·Jun 28, 2016SaveLearn
Experimental characterization of negative refractive index material NRM at Ka bandIn this paper, we discuss the experimental characterization of a negative refractive material NRM at Ka band using LR labyrinth Ring and wire array WA. We describe in detail the the LR and wire array…Sougata Chatterjee, Shantanu Das·Jun 27, 2016SaveLearn
The tennis racket effect in a three-dimensional rigid bodyWe propose a complete theoretical description of the tennis racket effect, which occurs in the free rotation of a three-dimensional rigid body. This effect is characterized by a flip (π- rotation)…L. Van Damme, P. Mardesic, D. Sugny·Jun 27, 2016SaveLearn
A brief geometric derivation of some fundamental physicsSeveral fundamental results in physics are derived from the simple starting point of two commuting orthogonal unit vectors. The combination of these unit vectors leads to spherical harmonics and…Michel van Veenendaal·Jun 24, 2016SaveLearn
Wave-scattering from a gently curved surfaceWe study wave scattering from a gently curved surface. We show that the recursive relations, implied by shift invariance, among the coefficients of the perturbative series for the scattering…Giuseppe Bimonte·Jun 24, 2016SaveLearn
Ultra-thin metamaterial for perfect and omnidirectional sound absorptionUsing the concepts of slow sound and of critical coupling, an ultra-thin acoustic metamaterial panel for perfect and omnidirectional absorption is theoretically and experimentally conceived in this…Noé Jiménez, Weichun Huang, Vicent Romero-García et al.·Jun 23, 2016SaveLearn