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Classical Physics papers — page 15

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Determining diffusivity and dissipation of diffuse body waves in concrete with multiple planar boundaries
This paper presents a new method for determining the diffusive properties of diffuse body waves, specifically diffusivity and dissipation, in concrete with multiple planar boundaries. Instead of…
Hao Cheng, Katrin Löer, Max A. N. Hendriks et al.Mar 31, 2025
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Determining the acoustoelastic effect of longitudinal waves propagating inclined to principal stress directions in concrete: theory and experimental validation
The concept of acoustoelasticity pertains to changes in elastic wave velocity within a medium when subjected to initial stresses. However, existing acoustoelastic expressions are predominantly…
Hao Cheng, Katrin Löer, Max A. N. Hendriks et al.Mar 31, 2025
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Attraction of a jerk
Jerk plays a pivotal role in the thrilling experience of many amusemement park rides. In addition to exploring the physical aspect of jerks, we tackle the empirical observation of an attractive force…
Sini Peltonen, Laura Vasko, Inka Tenhunen et al.Mar 31, 2025
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Geometric Amplification via Non-Hermitian Berry Phase
Despite their apparent simplicity, coupled oscillators exhibit surprisingly complex phenomena. Two notable examples are Berry phase (a geometric or topological aspect of the oscillators' memory) and…
J. R. Lane, C. Guria, J. Höller et al.Mar 29, 2025
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Coarse-grained entropy balance of the Szilard engine
In order to reconcile the entropy reduction of a system through external interventions that are linked to a measurement with the second law of thermodynamics, there are two main proposals: (i) The…
Heinz-Jürgen Schmidt, Thomas BröckerMar 29, 2025
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On-axis and off-axis levitation by a rotating permanent magnet
A slightly tilted permanent magnet rotating at high speed can induce a magnetic field capable of trapping another permanent magnet in a gravity independent levitated bound state, bypassing Earnshaw's…
Hugo Schreckenberg, Zayneb El Omari El Alaoui, Guilhem GallotMar 28, 2025
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Analytical Model of the Evolution of Surface Topography During Sliding Wear
During the wear process of surfaces in sliding friction, there is a running-in period during which the topography of surfaces changes with time before reaching the steady wear regime. In the steady…
Noël BrunetièreMar 28, 2025
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Unified Evolution of Electromagnetic Sources in Homogeneous Fields
In this work, we study the behavior of elementary electromagnetic sources, i.e., point-like electric charges and intrinsic magnetic dipoles, in the presence of homogeneous electromagnetic fields in a…
Ivanina Ilieva, Carsten Rockstuhl, Ivan Fernandez-CorbatonMar 25, 2025
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Challenging the Law of Energy Conservation Through Superposed Waves Based on Spatial Symmetry of Two RF Sources: Theoretical Derivation and Experimental Verification
This study is grounded in the concept of spatial symmetry, which allows two co-phase RF sources to jointly radiate harmonic electromagnetic (EM) waves, even in presence of electromagnetic couplings…
Bingli Jiao, Chenbo Wang, Zijian ZhouMar 23, 2025
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Analytical Mechanics and Field Theory
Lecture notes for a one-semester master-level course on analytical mechanics and classical field theory, covering: 0 Mathematical Introduction, 1 Lagrangian Mechanics, 2 Application: Motion in…
Tomas BraunerMar 20, 2025
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Heat transfer and mixing in initiated Chemical Vapor Deposition analyzed by in-situ gas composition sensing
Studies of iCVD kinetics often make assumptions about the iCVD vapor phase that have been challenging to validate experimentally. We address this gap by investigating heat transfer and mixing in the…
Simon Shindler, Rong YangMar 20, 2025
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Canonical Energy-Momentum Tensor of Abelian Fields
In this tutorial, we provide the natural derivation of symmetrical, gauge-invariant canonical energy-momentum tensor for the abelian gauge field, i.e., the electromagnetic field.
Peir-Ru Wang, Yen-Cheng ChangMar 19, 2025
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From deformation theory to a generalized Westervelt equation
The Westervelt equation describes the propagation of pressure waves in continuous nonlinear and, eventually, diffusive media. The classical framework of this equation corresponds to fluid dynamics…
Mariano Caruso, Guillermo Rus, Juan MelchorMar 17, 2025
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Unified Micromechanics Theory of Composites
We consider the matrix composite materials (CM) of either random (statistically homogeneous or inhomogeneous), periodic, or deterministic (neither random nor periodic) structures. CMs exhibit linear…
Valeriy A. BuryachenkoMar 16, 2025
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Experimental Realization of Special-Unitary Operations in Classical Mechanics by Nonadiabatic Evolutions
Artificial classical wave systems such as wave crystals and metamaterials have demonstrated promising capabilities in simulating a wide range of quantum mechanical phenomena. Yet some gaps between…
Congwei Lu, Xulong Wang, Guancong MaMar 11, 2025
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On the solution and Lagrangian representation of Duffing oscillator with damping
We construct the equation of Duffing oscillator in a dissipative medium using certain concepts from elementary mechanics. The Duffing equation (DE) without damping can be solved analytically. This is…
Amitava Choudhuri, Madan Mohan Panja, Benoy TalukdarMar 10, 2025
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Hidden momentum of composite bodies and magnetic dipoles
Hidden momentum is a puzzling phenomenon associated with magnetic dipoles and other extended relativistic systems. We point out that the origin of hidden momentum lies in the effective change of…
Bruno Klajn, Hrvoje NikolićMar 10, 2025
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Introduc\~ao a rede neural para F\'isicos
As t\'ecnicas de aprendizado de m\'aquina emergiram no contexto cient\'ifico e se desenvolveram como ferramentas poderosas para enfrentar uma ampla gama de desafios na sociedade. A integrac\~ao…
Gubio Gomes de Lima, Gustavo Miranda, Tiago de Souza FariasMar 8, 2025
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Influence of elastic deformations on body-wave velocity in solids: a case study considering shear deformations in concrete
This paper investigates the influence of elastic deformation on the velocity of body waves in compressible isotropic materials making use of the framework of acoustoelasticity. Specifically, it…
Hao Cheng, Cornelis Weemstra, Katrin Löer et al.Mar 6, 2025
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Refraction of light and conservation laws
The refraction of light by dispersion-free dielectric media can be modeled using well-localized macroscopic wave packets, enabling a description in terms of pseudo-particles. This approach is often…
R. DenglerMar 6, 2025
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On minimizing cyclists' ascent times: Part II
We formulate an optimization of a bicycle ascent time under the constraints of the average, maximum, and minimum powers. In contrast to the first part of this study, we do not restrict the departure…
Len Bos, Michael A. Slawinski, Raphaël A. Slawinski et al.Mar 5, 2025
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The mechanics of the squash nick shot
Squash is a widely popular racket sport, practiced by millions of people worldwide, played inside a walled court. When played well, players can last for several minutes before the ball bounces twice…
Mithun Ravisankar, Madeline Federle, Mina Bahadori et al.Mar 5, 2025
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Dispersion equation for H modes of a strip line with a circular cylindrical shield
We formulate the dispersion equation for H modes of a circular waveguide with a perfectly conducting strip of zero thickness placed symmetrically in its diametral plane. The wave number of the lowest…
I. M. Braver, Kh. L. Garb, P. Sh. FriedbergMar 3, 2025
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The shooting methods to solve 3D nonlinear strings assemblies
This article presents an alternative approach to finite elements for modeling and analyzing 3D static mooring lines using string theory and the shooting method (SM) to solve two-point boundary value…
Florian SurmontMar 3, 2025
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Analyzing the Motion of a Charged Rigid Body under the Influence of a Gyrostatic Torque
This research investigates the rotational dynamics of a charged axisymmetric spinning rigid body influenced by gyrostatic torque. The study also accounts for the effects of transverse and constant…
A. H. ElneklawyMar 1, 2025
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