Instability-Associated Changes in Contact Stress and Contact Stress Rates Near a Step-Off Incongruity
نویسندگان
چکیده
منابع مشابه
Contact changes near jamming.
We probe the onset and effect of contact changes in soft harmonic particle packings which are sheared quasistatically. We find that the first contact changes are the creation or breaking of contacts on a single particle. We characterize the critical strain, statistics of breaking versus making a contact, and ratio of shear modulus before and after such events, and explain their finite size scal...
متن کاملAllergic Contact Dermatitis Is Associated with Significant Oxidative Stress
Background. Research has confirmed the involvement of oxidative stress (OxS) in allergic contact dermatitis whilst other inflammation-related biomarkers have been less studied. Objective. To evaluate systemic levels of selected inflammatory markers, OxS indices and adipokines as well as their associations in allergic contact dermatitis. Methods. In 40 patients, interleukin- (IL-) 6, monocyte ch...
متن کاملMoving contact line with balanced stress singularities
A difficulty in the classical hydrodynamic analysis of moving contact-line problems, associated with the no-slip wall boundary condition resulting in an unbalanced divergence of the viscous stresses, is reexamined with a smoothed, finite-width interface model. The analysis in the sharp-interface limit shows that the singularity of the viscous stress can be balanced by another singularity of the...
متن کاملStress Field at a Sliding Frictional Contact: Experiments and Calculations
Using a MEMS-based sensing device, we have measured the normal and tangential stress fields at the base of a rough elastomer layer in contact with a smooth glass cylinder in steady sliding. This geometry allows for a direct comparison between the stress profiles measured along the sliding direction and the predictions of an original exact bidimensional model of friction. The latter assumes Amon...
متن کاملEffects of patellar resurfacing on contact area and contact stress in total knee arthroplasty.
The objective of this study was to examine the effects of patellar resurfacing on patellofemoral joint contact pressure and contact area in total knee arthroplasty. We tested seven fresh-frozen cadaveric knees using a custom knee jig which permits the simulation of physiologic quadriceps loading. Before patellar resurfacing, the mean peak contact pressure of medial and lateral patellofemoral jo...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Journal of Bone & Joint Surgery
سال: 2008
ISSN: 0021-9355
DOI: 10.2106/jbjs.g.00127