The work presented in this thesis is related to the studies of laminar natural convection in a horizontal cylindrical tank of storage of the cryogenic fluids. This study is relative to a twodimensional simulation of a ...
Like any concrete structure, casing bridges experiencing significant damage that can affect the life of the structure. To address these shortcomings, researchers have ceased trying to find solutions for the maintenance and ...
The composite laminates have found widespread applications in various fields of construction such as aerospace, marine, and automotive. The high stress due to the discontinuity or sudden change of geometry is known under ...
In recent decades, many buildings in Algeria were made of reinforced concrete. The structures, in general, and the bridges, in particular, are subject to several chemical and mechanical reactions that can alter and influence ...
During the evaluation of a deck slab , the application of inappropriate
dynamic amplification factors could have significant implication .
The dynamic Response of a deck slab only depended on many factors.
• With an ...
The work presented in this report of Magister concerns the measure of the ambient
electromagnetic energy to recycle her (it) to feed for example sensors. The antenna allows the
removal of this energy must cover surrounding ...
The mobility of people and cars involved as both cause and consequence in the socioeconomic growth on the one hand and the other urban concentration in major cities, the means of motor transport gradually seized the urban ...
In the past few decades has narrowed the scope of the minimum size of a transistor according to Moore's Law. But now further downsizing of a MOSFET is facing challenges such as SCE (short channel effects), the gate insulator ...
The objective of this memory of magister's was the numerical modeling by a
finite element method the adhesive joint of two laminated composite plates using an
epoxy adhesive. The commercial software ABAQUS was used for ...
Our scientific research dealt with the study of erosive wear, happening for Aluminium alloy as a result of its collusion to projectiles. This was under the influence of constant factors that are: time, speed and distance. ...
L’extrusion est un procédé de mise en forme très répandu dans de nombreuses
applications industrielles telles que la plasturgie, la métallurgie, les céramiques ou
l’industrie agroalimentaire. Le procédé d’extrusion permet ...
In this work we present the numerical simulations of a turbulent forced convection in wavy channel with small amplitude. The prediction of the dynamic and the thermal fields is done by three turbulence models ( , RNG ...
In public health, modeling has emerged in decision making this allows
simulating epidemiological scenarios.
In this theme, we present a new model of mixed percolation (sites and
links) on complex networks that have any ...
The electrical conductivity of organic insulating materials has been investigated using several theoretical models combining the percolation approach. The dead ends of the infinite cluster do not contribute generally to ...
Recently the composite materials were largely used in various sectors because of their good mechanical properties and the facility of manufacture. However these materials during the service are exposed to the influence of ...
The composites materials are widely used in various industrial sectors. These new materials are lightweight compared to conventional materials, and good mechanical properties. During services, theses materials are exposed ...
La principale pathologie relevée dans l’ensemble des ouvrages aéroportiers algériens et en
particulier ceux du sud sont du type fissures, arrachements, déformations et autres
dégradations. Le relevé des dégradations ...