TY - JOUR
T1 - Boundary slip dependency on surface stiffness
AU - Asproulis, Nikolaos
AU - Drikakis, Dimitris
PY - 2010/6/24
Y1 - 2010/6/24
N2 - The paper investigates the effects of surface stiffness on the slip process aiming to obtain a better insight of the momentum transfer at nanoscale. The surface stiffness is modeled through the stiffness, κ, of spring potentials, which are employed to construct the thermal walls. It is shown that variations of stiffness, κ, influence the slip mechanism either toward slip or stick conditions. Increasing the values of κ alters the oscillation frequency and the mean displacement of the wall particles toward higher and lower values, respectively. Our results suggest that the amount of slip produced as a function of stiffness follows a common pattern that can be modeled through a fifth-order polynomial function.
AB - The paper investigates the effects of surface stiffness on the slip process aiming to obtain a better insight of the momentum transfer at nanoscale. The surface stiffness is modeled through the stiffness, κ, of spring potentials, which are employed to construct the thermal walls. It is shown that variations of stiffness, κ, influence the slip mechanism either toward slip or stick conditions. Increasing the values of κ alters the oscillation frequency and the mean displacement of the wall particles toward higher and lower values, respectively. Our results suggest that the amount of slip produced as a function of stiffness follows a common pattern that can be modeled through a fifth-order polynomial function.
UR - http://www.scopus.com/inward/record.url?scp=77954014507&partnerID=8YFLogxK
U2 - 10.1103/PhysRevE.81.061503
DO - 10.1103/PhysRevE.81.061503
M3 - Article
AN - SCOPUS:77954014507
SN - 1539-3755
VL - 81
JO - Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
JF - Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
IS - 6
M1 - 061503
ER -