Results 71 to 80 of about 753,198 (298)

Viscoelastic Properties of Dynamically Asymmetric Binary Fluids Under Shear Flow [PDF]

, 2003
We study theoretically the viscoelastic properties of sheared binary fluids that have strong dynamical asymmetry between the two components. The dynamical asymmetry arises due to asymmetry between the viscoelastic stresses, particularly the bulk stress ...
A. Keller, Avadh Saxena, I. W. Hamley, P. G. de Gennes, Rajeev Ahluwalia, T. Hashimoto, Turab Lookman, Vinay Dwivedi   +7 more
core   +1 more source

Effect of Spatial Variations in Floodplain Vegetation on Bed Shear Stress Distribution [PDF]

长江科学院院报
[Objective] This study aims to investigate the effects of different vegetation arrangements (parallel and staggered) in the junction zone between channel and floodplain in urban rivers on the spatial distribution of bed shear stress, and to reveal how ...
REN Chun-ping, YANG Fan, ZHANG Yuan-yuan, WANG Hong-fei
doaj   +1 more source

Shear Stress and Atherosclerosis

Molecules and Cells, 2014
Hemodynamic shear stress, the frictional force acting on vascular endothelial cells, is crucial for endothelial homeostasis under normal physiological conditions. When discussing blood flow effects on various forms of endothelial (dys)function, one considers two flow patterns: steady laminar flow and disturbed flow because endothelial cells respond ...
Heo, Kyung-Sun, Fujiwara, Keigi, Abe, Jun-ichi   +2 more
openaire   +3 more sources

Additive Gaussian Process Regression for Predictive Design of High‐Performance, Printable Silicones

Advanced Engineering Materials, EarlyView.
A chemistry‐aware design framework for tuning printable polydimethylsiloxane (PDMS) for vat photopolymerization (VPP) is developed using additive Gaussian process (GP) modeling. Polymer network mechanics informs variable groupings, feasible formulation constraints, and interaction variables.
Roxana Carbonell, Martha Leach, Hongtao Song, Carolyn Seepersad   +3 more
wiley   +1 more source

Driven colloidal suspensions in confinement and density functional theory: Microstructure and wall-slip

, 2014
We theoretically investigate general properties of driven (sheared) colloidal suspensions in confinement, based on methods of classical density functional theory.
Aerov, Artem A., Krüger, Matthias
core   +1 more source

Physical mechanism of anisotropic sensitivity in pentaerythritol tetranitrate from compressive-shear reaction dynamics simulations [PDF]

, 2010
We propose computational protocol (compressive shear reactive dynamics) utilizing the ReaxFF reactive force field to study chemical initiation under combined shear and compressive load.
Goddard, William A., III, Thompson, Aidan P., van Duin, Adri C. T., Xu, Peng, Zybin, Sergey V.   +4 more
core   +1 more source

Effect of Oxygen Content on Surface and Subsurface Integrity During Turning of Ti–6Al–4V

Advanced Engineering Materials, EarlyView.
This study examines how oxygen content in the ambient atmosphere affects the surface and subsurface properties of Ti–6Al–4V during turning. Results show that oxygen does not influence surface roughness. However, machining in an extremely high vacuum‐adequate atmosphere increases surface hardness by up to 7.8% and induces compressive residual stresses ...
Benjamin Bergmann, Berend Denkena, Hilke Petersen, Florian Schaper   +3 more
wiley   +1 more source

Failure analysis in disc shear based on Gissmo criterion

Mechanics & Industry
To investigate the failure process of the strip during the shearing process of the disc shear, the forces acting on the upper shear blade of the disc shear, and the influence of various factors on the stress of the upper shear blade and the quality of ...
Xu Kuan, Xia Ming-sheng, Zhang Sai-juan, Wang Qiu-yu, Menggen Bagen   +4 more
doaj   +1 more source

Thermomechanical Fatigue and Creep–Fatigue Interaction of Inconel 718 Additively Manufactured by Laser Beam Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth, Tomáš Babinský, Jan Lars Riedel, Wen Hao Kan, Aijun Huang, Martin Heilmaier, Ivo Šulák   +6 more
wiley   +1 more source

Immersed boundary method predictions of shear stresses for different flow topologies occuring in cerebral aneurysms [PDF]

, 2010
A volume-penalizing immersed boundary method is presented that facilitates the computation of incompressible fluid flow in complex flow domains. We apply this method to simulate the flow in cerebral aneurysms, and focus on the accuracy with which the ...
Geurts, Bernard J., Lopez Penha, David J., Mikhal, Julia, Slump, Cornelis H.   +3 more
core   +1 more source