The structure of the solution of the Reissner–Mindlin plate equations is investigated, emphasizing its dependence on the plate thickness. For the transverse displacement, rotation, and shear stress, asymptotic expansions in powers of the plate thickness are developed. These expansions are uniform up to the boundary for the transverse displacement, but for the other variables there is a boundary...

high weissenberg boundary layer flow of viscoelastic fluids on a stretching surface has been studied. the flow is considered to be steady and two dimensional. flows of viscoelastic liquids at high weissenberg number exhibit stress boundary layers near walls. these boundary layers are caused by the memory of the fluid. upon proper scaling and by means of an exact similarity transformation, the n...

This article addresses the boundary layer flow and heat transfer in third grade fluid over an unsteady permeable stretching sheet. The transverse magnetic and electric fields in the momentum equations are considered. Thermal boundary layer equation includes both viscous and Ohmic dissipations. The related nonlinear partial differential system is reduced first into ordinary differential system a...

In this paper, an effective procedure based on coordinate stretching and radial basis functions (RBFs) collocation method is applied to solve singularly perturbed differential-difference equations with layer behavior. It is well known that if the boundary layer is very small, for good resolution of the numerical solution at least one of the collocation points must lie in the boundary layer. In ...

purpose : to determine the nerve fiber layer and macular thickness by optical coherence tomography (oct) in emmetropic, high-myopic and high-hyperopic eyes methods : one hundred five eyes of 55 randomly selected healthy subjects between 20 and 30 years old were included in this study. the eyes were categorized in three groups (high-myopic, emmetropic and high-hyperopic) according to their cyclo...

heat and mass transfer, in this paper, is considered in one-row heat exchanger, that fins are hotter than air flow and water is added to fins. related governing equations are derived by analyzing a two-dimension model in a unique cell of a heat exchange. these equations are numerically solved by finite difference method. heat transfer and efficiency under partially wet surface are calculated by...

We introduce a method to determine the retinal nerve fiber layer (RNFL) thickness in OCT images based on anisotropic noise suppression and deformable splines. Spectral-Domain Optical Coherence Tomography (SDOCT) data was acquired at 29 kHz A-line rate with a depth resolution of 2.6 mum and a depth range of 1.6 mm. Areas of 9.6x6.4 mm2 and 6.4x6.4 mm2 were acquired in approximately 6 seconds. Th...

3) Key Laboratory of Clothing Design & Technology, Ministry of Education, China Abstract Considering a clothing system consists of the human body, an air gap layer under the clothing as well as a fabric layer and boundary layer adjacent to the fabric, heat transfer from the skin to the environment is influenced by human body thermoregulation, the air gap, the fabric and environmental conditions...

2014 Methods to deduce the parameters of a multilayer X-ray mirror from its reflectivity curve are reviewed. Inversion methods are successful for coatings with few layers and give the thickness of each layer and the roughness of each interface. A statistical description of the coating is used for coatings with many layers, and simple formulas are given to derive the average thickness error and ...