BACKGROUND Anatomically preshaped plates are increasingly used for stabilization of comminuted olecranon and Monteggia fractures. The purposes of this study were to investigate the morphology of the proximal ulna and to compare morphologic findings with geometry of 4 preshaped ulna plates. MATERIALS AND METHODS Forty human elbows (mean age, 68 years; range, 21-98 years) were measured by 2 ind...

The study takes place in the Metropolitan Transport Area of East London, South Africa, a coastal city with a population of 530 000 spread over an area of 210 km 2. Like Auckland, development of its transport network is severely constrained by physiographic conditions such as steep terrain and 4 large river valleys and environmental /social constraints. A questionnaire survey was undertaken to d...

Archibald [1] analyzed the performance of a squeeze film between various geometrical configurations. Later on Wu [2, 3] investigated a squeeze film behavior for mainly, two types of geometries namely, annular and rectangular. Prakash and Viz [4] developed some aspects of the analysis incorporated in Wu [2, 3] and obtained the load carrying capacity ultimately leading to time height relation for...

In this paper, concrete specimens with type I prefabricated cracks were prepared, and three-point bending tests used to investigate the influence of parameters, such as carbon fiber reinforced polymer (CFRP) plate thickness, depth crack, strength, loading speed, on bonding performance structures externally attached CFRP plates. The CCD cameras observation system, digital speckle technology is a...

Buoyancy-induced convection from a pair of staggered heated vertical plates suspended in free air is studied numerically with the main scope to investigate basic heat and momentum transfer features determine what measure any independent variable affects thermal performance each plate both plates. A computational code based on SIMPLE-C algorithm for pressure-velocity coupling used solve system g...

We investigate the equilibrium behaviour of charged polymers of finite length in a Debye-screened potential between two parallel charged walls. For the polymer we take the continuum approximation to calculate the spectrum of eigenfunctions for the partition function. For finite but long polymers only the lowest two terms in this expansion contribute to first order to the configurational sum, co...

Electrical charging of parallel plates confining a model ionic liquid down to nanoscale distances yields a variety of charge-induced changes in the structural features of the confined film. That includes even-odd switching of the structural layering and charging-induced solidification and melting, with important changes of local ordering between and within layers, and of squeezout behavior. By ...

This paper deals with the mathematical study of failure loads of glass epoxy composite plates with two serial holes subjected to traction force by two serial rigid pins. To evaluate the effect of joint geometry on the failure loads the geometrical parameters such as the edge distance of first hole-to-hole diameter (E/D), the width of the specimen-to-hole diameter (W/D), and the distance between...

Background: The architecture of adult ulna is unique among long bones that have been described in the literature. But the best of our knowledge, the dorsal angulation of proximal ulna has not been described in detail. While using newer straight precontoured ulnar plates, the recognition of PUDA is important anatomic landmark for surgeons treating proximal ulna fractures, nonunions, malunions or...

Microelectromechanical systems (MEMS) behave differently from massive samples. Conventional testing and inspection techniques usually fail at the microscale. Recently there has been an increasing interest in the application of optical techniques for microstructure testing, because they are high-resolution, non-contact, full-field, fast and relatively inexpensive. New interferometric systems, wh...