Numerical search for three-body periodic free-fall orbits with central symmetryA specialized high-precision numerical search for equal-mass collisionless three-body periodic free-fall orbits with central symmetry is conducted. The search is based on Newton's method with…I. Hristov, R. Hristova, T. Puzynina et al.·Mar 1, 2025SaveLearn
Characteristics of Rayleigh Waves in Nonlocal Porous Orthotropic Thermoelastic Layer with Diffusion Under Three-Phase-Lag ModelThis article delves into the intricate dynamics of Rayleigh wave propagation within a nonlocal orthotropic medium, where the presence of void and diffusion adds an intriguing layer to the analysis.…Abhishek Mallick, Siddhartha Biswas·Feb 27, 2025SaveLearn
Once more about radiation from uniformly accelerating chargeWe consider an electric charge uniformly accelerating along x direction and moving with constant velocity along y direction. We show that in the co-accelerating along x direction Rinder's…E. T. Akhmedov, M. N. Milovanova·Feb 27, 2025SaveLearn
Microwave sink using plasma based localized surface plasmonsOvercoming the diffraction limit, meaning focusing waves on a sub-wavelength scale, has received considerable attention for applications involving light and acoustics. Indeed, the intense focusing…B. Fromont, J. De Rosny, R. Pascaud et al.·Feb 26, 2025SaveLearn
The swinging counterweight trebuchet. Experiments on inner movement and rangesThe inner movement of a trebuchet with swinging counterweight was measured inside a laboratory by the use of rotation sensors to determine angular coordinates for beam, counterweight and sling. Data…Erik Horsdal, Filip Drejer Johansen, Jonas Rasmussen·Feb 24, 2025SaveLearn
The Maximum Theoretical Ground Speed of the Wheeled VehicleIn this paper, we propose one possible theoretical limit on the maximum ground speed of wheeled vehicles.Altay Zhakatayev, Mukatai Nemerebayev·Feb 21, 2025SaveLearn
A geometric derivation of Noether's theoremNoether's theorem is a cornerstone of analytical mechanics, making the link between symmetries and conserved quantities. In this article, I propose a simple, geometric derivation of this theorem…Bahram Houchmandzadeh·Feb 21, 2025SaveLearn
Interplay between Airy and Coriolis precessions in a real Foucault pendulumWe study the precession of a Foucault pendulum using a new approach. We characterize the support anisotropy by the difference between the maximum and minimum periods of the pendulum along the…N. N. Salva, H. R. Salva·Feb 17, 2025SaveLearn
Experimental Validation of String Oscillation in Subharmonic GenerationThe lowest notes produced by string instruments are typically limited by the fundamental vibration of the strings. However, precise control of bow pressure can lead to the production of even lower…Shotaro Kawano, Kenji Kobayashi, Takuya Suzuki et al.·Feb 17, 2025SaveLearn
A Rigid Beam Acting in the Shearing Manner to the Quasi-Crystalline Half-SpaceAn analytical model describing the action of a rigid beam under shear forces to the quasi-crystalline half-space is analyzed. The elasticity theory of quasicrystals and the method of complex…Mohammed Altoumaimi, Voldymyr Loboda·Feb 16, 2025SaveLearn
Coupled dynamics of chiral waves and gyroscopic systems with applications to atmospheric phenomenaThe present paper introduces the notion of chiral gravitational elastic waves and explores their connections to equatorial and planetary waves. The analysis of the gravity-induced waveforms in…Alessio Kandiah, Ian S. Jones, Natasha V. Movchan et al.·Feb 12, 2025SaveLearn
The amplitude decay of a harmonic oscillator damped simultaneously by weak linear and nonlinear damping forcesWe derive approximate expressions for the amplitude decay of harmonic oscillations weakly damped by the simultaneous action of three different damping forces: force of constant magnitude, force…Karlo Lelas, Robert Pezer·Feb 11, 2025SaveLearn
Gravitational friction from d'Alembert's principleThe least action principle played a central role in the development of modern physics. A major drawback of the principle is that its applicability is limited to holonomic constraints. In the present…C. Ortiz, R. S. Khatiwada·Feb 11, 2025SaveLearn
Magnetic levitation at low rotation frequencies using an on-axis magnetic fieldThe Ucar effect is a simple yet astonishing phenomenon where a permanent magnet can be levitated by placing it in the vicinity of another permanent magnet that rotates sufficiently fast. The few…Joachim Marco Hermansen, Frederik Laust Durhuus, Rasmus Bjørk·Feb 6, 2025SaveLearn
Energy needed to propel a tiny spacecraft to Proxima Centauri,and, an unstated assumption in Einstein's 1905 paperThe Breakthrough Starshot project aims to send a tiny 2 gram spacecraft to Proxima Centauri propelled by a light sail and powerful Earth-based lasers. We provide two derivations of the laser energy…C. J. Umrigar, Tyler A. Anderson·Feb 5, 2025SaveLearn
Improve Knowledge Of Acoustic Factors Involved In Railway Noise AnnoyanceEnergy noise indicators are generally used to characterize the exposure of populations to transportation noise in relation to their long-term annoyance, but they do not adequately reflect the…M Sineau, F Mietlicki, D Bernfeld et al.·Feb 3, 2025SaveLearn
Improving knowledge of the acoustic factors involved in railway noise annoyance: first results of a pilot field survey of sixty-two local residentsRailway transportation contributes to the objectives of decarbonization but also generates negative externalities, including noise. Energy noise indicators used to characterize population exposure do…Matthieu Sineau, Manuel Hellot, Robin Mafféïs et al.·Feb 3, 2025SaveLearn
Local bifurcation analysis of circular von-Kármán plate with Kirchhoff rod boundarySymmetry based reduction is applied to the buckling of a circular von-Karman plate with Kirchhoff rod boundary, where a mismatch between the edge length and the perimeter of plate is treated as the…Deepankar Das, Basant Lal Sharma·Jan 30, 2025SaveLearn
Equivalent boundary conditions for the electromagnetic field on the surface of a periodic grating of resistive stripsThe present work is aimed at formulating equivalent boundary conditions for the electromagnetic field on the surface of a periodic grating of resistive strips valid for arbitrary incident fields. It…Igor M. Braver, Khona L. Garb·Jan 30, 2025SaveLearn
Modeling Atomic Polarizability: From Charge Distortion to Non-Uniform DistributionsIn the classical model of atomic polarizability, atomic charges are displaced by an applied electric field, assuming the electron cloud remains spherically symmetric but with its center shifted from…O. F. de Alcantara Bonfim·Jan 28, 2025SaveLearn
Sliding with Friction and The Brachistochrone ProblemWe analyze the motion of a particle in the gravity field along a family of differentiable curves taking into account the Coulomb friction forces. A parametric equation of the optimal curves is given…Alexander Kurilin·Jan 26, 2025SaveLearn
On the "Universality" of the Form of Maxwell's EquationsMany papers have been published over the years that either conjecture or even (claim to) prove the universality of the form of Maxwell's equations. We present yet another derivation of…C. Baumgarten·Jan 23, 2025SaveLearn
Electromagnetism as Space-Time Pseudo-CurvatureWe propose a novel framework that interprets the electromagnetic field as a manifestation of spacetime pseudo-curvature, bridging electromagnetism with the geometric principles of general relativity.…Faik Bouhrik, Tiju Thomas·Jan 22, 2025SaveLearn
Concepts of Electric Circuit Analysis Revised: Analysis without Current DirectionThe electric current as the flux of current density -- a signed scalar, not a vector -- is inconsistent with the concept of the current direction, commonly invoked in the electric circuit analyses…Tomaž Podobnik·Jan 22, 2025SaveLearn
A lower bound for the energy decay rate in piezoelectricityThis paper establishes a lower bound for the energy decay rate in piezoelectric cylinders. The bound incorporates material properties and geometric factors, including the cross-section's…Khanh Chau Le·Jan 20, 2025SaveLearn