Abstract: A lubrication theory that includes the effects of electrokinetics and surface microstructure is developed. A porous layer attached to the impermeable substrate is used to model the microstructure ...

Abstract: In this paper, the relations expressing the effects of surface roughness and homogeneous mixture (the mixture of power-law fluid inserted into a Newtonian fluid) on the roughness-induced flow ...

Abstract: In this study, a porous media model is developed which can be applied to thin film lubrication problems. The microstructure of bearing surfaces is modeled as porous layers attached to the ...

Abstract: In this study, the characteristics of ultra-thin gas films are analyzed asymptotically for infinite squeeze number using the molecular gas film lubrication equation with coupled roughness and ...

Abstract: A new algorithm for linear programming problems is presented. The algorithm makes interior moves with a special active set strategy that utilizes both local and global knowledge. This knowledge ...

Abstract: The dynamic performance of the herringbone groove journal bearings (HGJBs) with the effects of gas rarefaction taken into account is considered for applications in microsystems. Two important ...

Abstract: Local and global knowledge in rule-based forms is combined in an active set strategy for nonlinear programming design models. The combined strategy is implemented with a reduced gradient algorithm ...

Abstract: The stiffness and damping coefficients of a slider gas bearing operating under arbitrary Knudsen number are calculated. A perfect gas is used as the lubricant, and its behavior is described ...

Abstract: This paper presents the experimental study on the influence of grouting reinforcement on the fatigue behavior of cracked cement mortar under different stress ratio and levels. The compressive fatigue tests were conducted ...

Abstract: This paper presents the experimental study on the influence of grouting reinforcement on the fatigue behavior of cracked cement mortar under different stress ratio and levels. The compressive fatigue tests were conducted ...