Various papers have presented different methods for computations of mechanics and kinematics discrete structural systems. However, little has been done in comparing benchmarking the seismic response from two discrete-system-models with experiments. This paper presents a detailed performance comparison between models—level set element method (LS-DEM) Logiciel de Mécanique Gérant le Contact (LMGC...

Abstract We combine classical continuum mechanics with the recently developed calculus for mixed-dimensional problems to obtain governing equations flow in, and deformation of, fractured materials. present models in both context of finite infinitesimal strain, discuss nonlinear (and non-differentiable) constitutive laws such as friction contact fracture. Using theory well-posedness evolutionary...

We start with a mathematical model which describes the frictionless contact of an elastic body obstacle and prove that it leads to stationary inclusion for strain field. Then, inspired by this model, we consider general in real Hilbert space, governed three parameters. unique solvability as well continuous dependence its solution respect use these results study associated optimal control proble...

The development of computational and numerical methods provides the option to study the contact mechanics and wear of hip resurfacing devices. The importance of these techniques is justified by the extensive amount of testing and experimental work required to verify and improve current orthopaedic implant devices. As the demands for device longevity is increasing, it is as important as ever to ...

Granular materials can be studied in a split-bottom ring shear cell geometry, where they show wide shear bands under slow, quasi-static, large deformation. The contact models are at the basis of their interesting collective behavior and flow-rheology as well the core ingredient for the discrete element method (DEM). The contact mechanics used involves elasto-plastic, viscous, frictional, and to...

UNLABELLED In this paper, metal nanodumbbells (NDs) formed by laser-induced melting of Ag nanowires (NWs) on an oxidized silicon substrate and their tribological properties are investigated. The mechanism of ND formation is proposed and illustrated with finite element method simulations. Tribological measurements consist in controllable real-time manipulation of NDs inside a scanning electron m...

Based on the convex force-motion polynomial model for quasi-static sliding, we derive the kinematic contact model to determine the contact modes and instantaneous object motion on a supporting surface given a position controlled manipulator. The inherently stochastic object-to-surface friction distribution is modelled by sampling physically consistent parameters from appropriate distributions, ...