Automated Discovery of Metainterfaces with Tailored Friction LawsProviding dry solid contacts with on-demand macroscale frictional behaviour remains a formidable challenge in tribology, haptics or robotics. Metainterfaces created from surfaces with engineered…Li Fu, Djibril Gabriel Kashala, D. Dalmas et al.·May 19, 2026SaveLearn
Bayesian characterization of porous media using three-microphone tube method in extended frequency rangesThe characteristic impedance and the propagation coefficient are among the most important parameters for evaluating the acoustic performance of porous materials. This work investigates the influence…Ziqi Chen, Ning Xiang·May 18, 2026SaveLearn
Violin ''Playing-In'': Disentangling Physical Change from Player Adaptation via Physical MeasurementsIt is a widespread belief among musicians that a violin's sound ``opens up'' or improves through regular playing. However, physical evidence for this ``playing-in'' effect remains…Hugo Pauget Ballesteros, Philippe Lalitte, Vincent Lostanlen et al.·May 18, 2026SaveLearn
Variational OpennessVariational principles in mechanics, field theory and geometric analysis are usually formulated on closed admissible classes, where boundary variations are either fixed or independently cancelled…Francisco Monroy·May 16, 2026SaveLearn
On the Essence of Lagrange's EquationsFrom a new perspective, this paper rederives Lagrange's equations. By applying the chain rule of differentiation, the intrinsic relationship between the momentum theorem and the kinetic energy…Peng Shi·May 15, 2026SaveLearn
Acoustic ChiralityWe reveal a previously unknown continuous symmetry and conservation law in the equations of linear isotropic elasticity, which describe the chirality of elastic waves. We show that the integral…Alex J. Vernon, Konstantin Y. Bliokh·May 14, 2026SaveLearn
Natural frequency estimation using complex-frequency excitationsComplex frequency excitations, oscillating signals whose amplitude decreases exponentially in time, have recently been demonstrated to significantly increase the effective quality factor of…Wenbo Li, Raj Kumar Pal·May 13, 2026SaveLearn
On the dual nature of a plane angleFor decades, metrologists have debated heatedly whether a plane angle is a dimensional or dimensionless quantity; whether it is a base quantity in the International System of Units (SI) or a derived…M. I. Kalinin·May 7, 2026SaveLearn
Modeling the Frictional Driving of a Gyroscope Casing by a Spinning RotorThe rotation of the casing and rotor of a gyroscope is studied by considering frictional effects. Friction causes the casing to rotate, and over time, air dissipation and friction at the touchpoint…Vedat Tanrıverdi, Arda Erbasan·May 5, 2026SaveLearn
Revisiting the Stress Field Inside an Elastic Sphere Subjected to a Concentrated LoadWe present a complete analytical solution for the stress field inside a homogeneous, inside a homogeneous, linearly elastic solid sphere subjected to a concentrated normal load applied on its…Yosuke Mori, Kiwamu Yoshii, Satoshi Takada·May 5, 2026SaveLearn
Free rotation of conducting and dielectric spheres in a uniform electrostatic fieldRotation of conducting and dielectric spherical particles levitating in the uniform electrostatic field is considered. A dipole moment of the spherical particle induced by the external uniform…A. Duviryak·May 4, 2026SaveLearn
A revisited time domain formulation of boundary integral equations for two-dimensional elastodynamicsA boundary integral equation (BIE) formulation for 2-D transient elastic wave propagation problems is presented. On the basis of the three-dimensional integral identity, the time-dependent kernels…Domenico Capuani·Apr 30, 2026SaveLearn
Shear band patterns by boundary integral equationsBoundary integral equations are presented to analyze perturbations in terms of small elastic deformations superimposed upon an arbitrary, homogeneous strain. Plane strain deformations of an…Davide Bigoni, Domenico Capuani·Apr 28, 2026SaveLearn
The Inverse Cube Force LawNewton's Principia is famous for its investigations of the inverse square force law for gravity. But in this book Newton also did something that remained little-known until fairly recently. He…John C. Baez·Apr 26, 2026SaveLearn
Non-Floquet oscillations of a parametrically driven rigid planar pendulumThe linear and nonlinear motions of a damped rigid planar pendulum, driven by vibrating its pivot sinusoidally, are reexamined. The pendulum is known to exhibit periodic, quasiperiodic, and chaotic…Rebeka Sarkar, Krishna Kumar, Sugata Pratik Khastgir·Apr 24, 2026SaveLearn
Taylor-SWFT: fast discrete Statistical Wave Field Theory using Taylor expansion for late reverberation Work under reviewDynamic room acoustic simulation aims to render the acoustic effects of an environment in real time while accounting for potentially moving sources and receivers. In this context, the efficient…Marius Rodrigues, Louis Lalay, Roland Badeau et al.·Apr 23, 2026SaveLearn
The strange mechanics of an elastic rod under null-resultant transverse loadsTwo equal and opposite distributed dead loads are applied orthogonally to the axis of an elastic rod in its rectilinear reference configuration, one at the extrados and the other at the intrados,…Davide Bigoni, Diego Misseroni, Andrea Piccolroaz·Apr 20, 2026SaveLearn
Generation of Standing Waves on a Real StringWe investigate the generation of standing waves in the model provided by the inhomogeneous telegraph equation under different forcing conditions. We show that sustained standing waves arise only for…José Francisco Pérez-Barragán·Apr 20, 2026SaveLearn
Optical Theorem for Measuring the Acoustic Extinction Cross Section of Helmholtz ResonatorsThe optical theorem is a powerful tool of scattering theory that directly relates the extinction cross section of a scatterer to its forward scattering amplitude. While widely used in…Vladimir Igoshin, Daniil Klimov, Yuri Utkin et al.·Apr 16, 2026SaveLearn
Beyond the dipole approximation: A compact operator form to describe magnetizable many-body systemsTo describe the interactions in magnetically soft particle systems either numerical full-field methods or dipole models are used. Whereas the former are computationally challenging, simple dipole…Dirk Romeis·Apr 15, 2026SaveLearn
Normal contact of metainterfaces: the roles of finite size and microcontact interactionsThe design of contact interfaces that meet quantitatively a specified friction law (friction force vs normal force) is challenging due to the multi-scale and multi-physics nature of contact…Donald Zeka, Nawfal Blal, Fatima-Ezzahra Fekak et al.·Apr 9, 2026SaveLearn
Potentials of axisymmetric razor-thin disksWe investigate the gravitational potentials generated by axisymmetric, razor-thin disks. Within certain limitations, the potential on one side of the disk is shown to be equivalent to the potential…J. An·Apr 7, 2026SaveLearn
Efficiency of a smoke curtain in a ventilated tunnelSmoke curtains are typically used in public-access buildings in connexion with ventilation effects without considering a crossed design. This paper aims to understand the fire smoke behaviour in the…Alexandre Narcisse, Olivier Vauquelin, Éric Casalé et al.·Apr 1, 2026SaveLearn
Magnetic transport and chaotic orbits of charged particlesI study electron movement in electromagnetic fields beyond the adiabatic approximation, using so-called Stormer theory. Some of the electron orbits are regular or integrable, but their measure is…Dirk Dubbers·Mar 31, 2026SaveLearn
A Schr\"odinger-like equation for the Thermodynamics of a particle in a boxThe particle in an expanding/contracting 1-dimension box is revisited in action-angle like variables with direct thermodynamic interpretation. An angle dependent potential is proposed accurately…Adrian Faigon·Mar 29, 2026SaveLearn