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Waveguide Meshes are efficient and versatile models of wave propagation along a multidimensional ideal medium. The choice of the mesh geometry affects both the computational cost and the accuracy of simulations. In this paper, we focus on…

Numerical Analysis · Mathematics 2024-09-21 Federico Fontana , Davide Rocchesso

We simulate macroscopic shear experiments in active nematics and compare them with microrheology simulations where a spherical probe particle is dragged through an active fluid. In both cases we define an effective viscosity: in the case of…

Soft Condensed Matter · Physics 2012-11-16 G. Foffano , J. S. Lintuvuori , A. N. Morozov , K. Stratford , M. E. Cates , D. Marenduzzo

We report measurements of viscoelastic properties of thin polymer films of 10-100 nm at the MHz range. These thin films are confined between a quartz crystal resonator and a millimetric bead layer, producing an increase of both resonance…

Soft Condensed Matter · Physics 2015-05-13 Julien Leopoldes , Xiaoping Jia

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 examines body waves propagating at an angle to…

Classical Physics · Physics 2025-04-01 Hao Cheng , Cornelis Weemstra , Katrin Löer , Max A. N. Hendriks , Yuguang Yang

We study the statistics of peaks in a weak lensing reconstructed mass map of the first 450 square degrees of the Kilo Degree Survey. The map is computed with aperture masses directly applied to the shear field with an NFW-like compensated…

We apply the standard theory of the elastic body to obtain a set of equations describing the behavior of an acoustic Gravitational Wave detector, fully taking into account the 3-dimensional properties of the mass, the readout and the…

The ice surface is known for presenting a very small kinetic friction coefficient, but the origin of this property remains highly controversial to date. In this work, we revisit recent computer simulations of ice sliding on atomically…

Mesoscale and Nanoscale Physics · Physics 2024-02-08 Lukasz Baran , Luis G. MacDowell

The shear viscosity coefficient of the one-component plasma is calculated with unprecedented accuracy using equilibrium molecular dynamics simulations and the Green-Kubo relation. Numerical and statistical uncertainties and their mitigation…

Plasma Physics · Physics 2014-10-13 Jerome Daligault , Kim O. Rasmussen , Scott D. Baalrud

The ability to image materials at the microscale from long-wavelength wave data is a major challenge to the geophysical, engineering and medical fields. Here, we present a framework to constrain microstructure geometry and properties from…

Geophysics · Physics 2021-04-19 Wouter Klessens , Ivan Vasconcelos , Yang Jiao

The UK Biobank is a large-scale study collecting whole-body MR imaging and non-imaging health data. Robust and accurate inter-subject image registration of these whole-body MR images would enable their body-wide spatial standardization, and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Yasemin Utkueri , Elin Lundström , Håkan Ahlström , Johan Öfverstedt , Joel Kullberg

The combined effect of fluid elasticity and yield-stress on the flow past a circular cylinder is studied by two-dimensional direct numerical simulation. We analyze the effects of yield-stress, elasticity, shear-thinning, and…

Fluid Dynamics · Physics 2023-03-17 S. Parvar , K. T. Iqbal , M. N. Ardekani , L. Brandt , O. Tammisola

Minimally invasive experimental methods that can measure local rate dependent mechanical properties are essential in understanding the behaviour of soft and biological materials in a wide range of applications. Needle based measurement…

Soft Condensed Matter · Physics 2020-10-20 S Chockalingam , Christine Roth , Thomas Henzel , Tal Cohen

We study the cosmological information of weak lensing (WL) peaks, focusing on two other statistics besides their abundance: the stacked tangential-shear profiles and the peak-peak correlation function. We use a large ensemble of simulated…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Laura Marian , Robert E. Smith , Stefan Hilbert , Peter Schneider

Breast cancer is a health problem that affects mainly the female population. An early detection increases the chances of effective treatment, improving the prognosis of the disease. In this regard, computational tools have been proposed to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Steve Tsham Mpinda Ataky , Alessandro Lameiras Koerich

We study the rheology of a two-fluid emulsion in semi-concentrated conditions; the solute is Newtonian while the solvent an inelastic power law fluid. The problem at hand is tackled by means of direct numerical simulations using the volume…

Fluid Dynamics · Physics 2021-09-01 Marco Edoardo Rosti , Shu Takagi

Cortical thickness measurements from magnetic resonance imaging, an important biomarker in many neurodegenerative and neurological disorders, are derived by many tools from an initial voxel-wise tissue segmentation. White matter (WM)…

Image and Video Processing · Electrical Eng. & Systems 2025-03-27 Vinzenz Uhr , Ivan Diaz , Christian Rummel , Richard McKinley

A Molecular Dynamics approach has been used to compute the shear force resulting from the shearing of disks. Two-dimensional monodisperse disks have been put in an horizontal and rectangular shearing cell with periodic boundary conditions…

Soft Condensed Matter · Physics 2008-09-29 O. Pozo , N. Olivi-Tran

Suture joints contribute to the exceptional combination of stiffness, strength, toughness and efficient load bearing and transmission of many biological structures like the cranium or ammonite fossil shells. However, their role in the…

General Physics · Physics 2023-12-18 Federica Ongaro , Federico Bosia , Nicola M. Pugno

Although recent advances have made it possible to manipulate electromagnetic and acoustic wavefronts with sub-wavelength metasurface slabs, the design of elastodynamic counterparts remains challenging. We introduce a novel but simple design…

Applied Physics · Physics 2017-11-15 Xiaoshi Su , Zhaocheng Lu , Andrew N. Norris

Building off recent advances on how to practically use exponential shear in a torsional rheometer to compute transient planar extensional viscosity (Kroo et al. 2025a), we extend the technique to cyclic tensile measurements in complex…

Soft Condensed Matter · Physics 2025-06-23 L. A. Kroo , R. A. Nicholson , M. W Boehm , S. K. Baier , P. A. Underhill , G. H. McKinley