Results 21 to 30 of about 329,608 (263)

Contact mechanics: contact area and interfacial separation from small contact to full contact [PDF]

open access: yesJournal of Physics: Condensed Matter, 2008
15 pages, 23 ...
Yang, C., Persson, B. N. J.
openaire   +3 more sources

Comparing weaning methods in dairy calves with different dam contact levels

open access: yesJournal of Dairy Science, 2023
: Allowing the dam to rear her calf is an alternative practice in the dairy industry where cow and calf may gain welfare benefits from performing natural and highly motivated behaviors.
Maja Bertelsen, Margit Bak Jensen
doaj   +1 more source

Preparation of Superhydrophobic and Super-Oleophilicity 304 Stainless Steel Mesh and Its Performance of Oil-Water Separation [PDF]

open access: yesCailiao Baohu, 2021
At present, the oil-water separation materials with high cost and complex preparation process perform poor effect. In order to solve this problem, the 304 stainless steel strainers as substrates were treated by FeCl3 solution etching method to ...
QI Bo-hao, LIU Chang-song, ZHAO Xin-sheng, LI Xin-ming
doaj   +1 more source

Comparison of the Models for Multiscale Elastohydrodynamic Lubrication in a Line Contact [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2022
Two models are compared for calculating the surface separation in a multiscale elastohydrodynamic lubricated line contact for the same operating conditions.
W. Lin, J. Li, Y. Zhang
doaj   +1 more source

Together, but Alone: A Thematic Analysis of the Athletes’ and Their Partners’ Experience of Physical Separation in Romantic Relationships

open access: yesRIMCIS, 2023
Athletes and their romantic partners may experience physical separation as a result of the frequent athletes’ training camps. Little is known about how such couples experience this separation.
Daria Waligórska   +4 more
doaj   +1 more source

Cats and owners interact more with each other after a longer duration of separation. [PDF]

open access: yesPLoS ONE, 2017
Little is known about the cat's (Felis silvestris catus) need for human contact, although it is generally believed that cats are more independent pets than e.g. dogs.
Matilda Eriksson   +2 more
doaj   +1 more source

The Separate Neural Control of Hand Movements and Contact Forces [PDF]

open access: yesThe Journal of Neuroscience, 2009
To manipulate an object, we must simultaneously control the contact forces exerted on the object and the movements of our hand. Two alternative views for manipulation have been proposed: one in which motions and contact forces are represented and controlled by separate neural processes, and one in which motions and forces are controlled jointly, by a ...
Chib, Vikram S.   +3 more
openaire   +3 more sources

Characterisation of the Contact between Cross-Country Skis and Snow: On the Multi-Scale Interaction between Ski Geometry and Ski-Base Texture

open access: yesLubricants, 2023
In elite endurance sports, marginal differences in finishing times drive ongoing equipment improvement to enhance athlete performance. In cross-country skiing, researchers, since the 1930s, have faced the challenge of minimising the resistance caused by ...
Kalle Kalliorinne   +5 more
doaj   +1 more source

Molecular Dynamics Study of Contact Mechanics: Contact Area and Interfacial Separation from Small to Full Contact [PDF]

open access: yesPhysical Review Letters, 2008
We report a molecular dynamics study of the contact between a rigid solid with a randomly rough surface and an elastic block with a flat surface. We study the contact area and the interfacial separation from small contact (low load) to full contact (high load). For small load the contact area varies linearly with the load and the interfacial separation
Yang, C., Persson, B. N. J.
openaire   +4 more sources

Connection of surface roughness to hysteresis loss in spine implants

open access: yesJournal of Biomechanical Science and Engineering, 2015
To investigate roughness effect in spine implant, a contact model is offered in this paper. The contact surfaces are modeled macroscopically as semi-spherical containing micro-scale roughness.
Mohammad HODAEI, Kambiz FARHANG
doaj   +1 more source

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