Results 181 to 190 of about 2,865 (231)

Theory of slickenline patterns based on the velocity gradient tensor and microrotation

Tectonophysics, 1991
Abstract Brittle fault zones commonly are characterized by a multitude of lineated shear planes having a wide distribution of orientations. In our model, we assume the faulted rock comprises an aggregate of rigid blocks whose surfaces are the shear planes.
Robert J. Twiss, Gretchen M. Protzman, Stephen D. Hurst   +2 more
semanticscholar   +3 more sources

Microrotation effects in material fracture and damage

Engineering Fracture Mechanics, 1991
Abstract Microrotation has an important effect at the tip of a crack where the stress gradient is large. The growth of a crack is by geometry a bifurcation of crack plane due to incompatibility of microrotation at the crack tip. By means of S( strain )-R( rotation ) decomposition theorem developed recently in mechanics of finite deformation,
Chong Wang, Zhi-Da Chen
openaire   +2 more sources

On the mechanics of conducting micropolar fluids with magnetic particles: Vorticity–microrotation difference

Physics of Fluids
In this paper, mechanisms that differentiate microrotation (i.e., particles' internal rotation) and vorticity in magnetohydrodynamic micropolar flows with magnetic particles are examined. Micropolar fluids are characterized by the asynchronization of the microrotation and the vorticity of the liquid carrier. When the microrotation is equal to the fluid'
Kyriaki-Evangelia Aslani, Efstratios Tzirtzilakis, Ioannis E. Sarris   +2 more
openaire   +2 more sources

The contributions of microrotation of lubricant molecules in a thin film journal bearing

Acta Mechanica, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Gorla, R. S. R., Nashery, K.
openaire   +2 more sources

Nonlinear Analysis of Plates with Rotation Gradient–Dependent Potential Energy for Constrained Microrotation

Journal of Engineering Mechanics, 2018
AbstractIn this study, the weak-form finite-element model has been developed for bending of plates considering the rotation gradient–dependent potential energy along with the conventional strain en...
A. Arbind, J. N. Reddy, A. R. Srinivasa
openaire   +2 more sources

Thermal deposition on magnetohydrodynamic nanofluidic transport of viscoplastic fluid with microrotations

Journal of Molecular Liquids, 2017
Abstract Background and objectives The prime focus of this investigation is to explore nonlinear radiation effects on MHD micropolar Casson fluid over a stretching surface. Impact of microrotation on flow and heat transfer characteristics has been examined under the influence of thermophoresis and Brownian motion phenomenon.
Zahid Iqbal, Rashid Mehmood, Zaffar Mehmood   +2 more
openalex   +2 more sources

Wellposedness and zero microrotation viscosity limit of the 2D micropolar fluid equations

Mathematical Methods in the Applied Sciences, 2011
Summary: We consider the 2D micropolar fluid equations in the whole space \(\mathbb R^2\). We prove the global wellposedness of the system with rough initial data and show the vanishing microrotation viscosity limit in the case of zero kinematic viscosity or zero angular viscosity.
Liutang Xue
openaire   +2 more sources

Continuum metrics for deformation and microrotation from atomistic simulations: Application to grain boundaries

International Journal of Engineering Science, 2011
Abstract Motivated by a desire to incorporate micro- and nanoscale deformation mechanisms into continuum mechanical models of material behavior, we apply recently developed volume-averaged metrics to the results of atomistic simulations to investigate deformation and microrotation in the vicinity of grain boundaries.
Garritt J. Tucker, Jonathan A. Zimmerman, David L. McDowell   +2 more
openaire   +2 more sources

A Bayesian Reconstruction Method with Marginalized Uncertainty Model for Camera Motion in Microrotation Imaging

IEEE Transactions on Biomedical Engineering, 2010
Reconstruction of a 3-D structure from multiple projection images requires prior knowledge of projection directions or camera motion parameters that describe the relative positions and orientations of 3-D structure with respect to the camera. These parameters can be estimated using, for instance, the conventional correlation alignment and feature-based
Laksameethanasan, Danai, Brandt, Sami, S.   +2 more
openaire   +3 more sources

Microrotation-augmented Energy-Minimization for 3D Nanocrystalline Cu Structures

2008
Molecular dynamics simulations are frequently used to study deformation mechanisms at the nanoscale. However, the lattice orientations of grains in the starting nanocrystalline (nc) configurations are typically based on either random orientations (Van Swygenhoven and Derlet [1]; Schiotz et al.
M. A. Tschopp, D. L. McDowell
openaire   +2 more sources