Within frameworks of the random value theory, a statistical model is obtained for the reliability of a wall of an oil tank in the area of the joint with a tank bottom when the edge bending moment, specific weight of mineral oil, Poisson’s ratio, ultimate strength of steel, and diameter and thickness of the wall, are normally distributed. Data obtained are the basis of prevention of accidents with oil tanks because of their strength failure.
Conservation equations for mass, momentum and energy have been solved numerically for a cylindrical funnel with louvers (lateral openings on the side wall of the cylindrical funnel through which air can come into it) to compute the suction rate of air into the funnel. The nozzle placed centrally ...
The time-dependent evolution of source-driven Hele-Shaw free boundary flows in the presence of an obstacle is computed numerically. The Baiocchi transformation is used to convert the Hele-Shaw Laplacian growth problem into a free boundary problem for a streamfunction-like variable u(x, y, t) gove...
Motivated by radiotherapy of lung cancer non- linear registration is applied to estimate 3D motion fields for local lung motion analysis in thoracic 4D CT images. Reliability of analysis results depends on the registration accuracy. Therefore, our study consists of two parts: optimization and eva...
The aim of this paper is to develop a probabilistic approach of high cycle fatigue (HCF) behaviour prediction of welded joints taking into account the surface modifications induced by welding and the post-welding shot peening treatment. In this work, the HCF Crossland criterion has been used and ...
The computation of design forces for the reinforced concrete groups of four cylindrical silos (GFCS) is fairly difficult because of the continuity of the walls between the adjacent silos. In this study, the efficiency of the artificial neural network (ANN) in predicting the design forces and the ...
The weak point of cylindrical laminated veneer lumber (LVL) when its structure, used as a column in buildings, is submitted to compressive or flexural loads is the butt joint. To improve the understanding of the behavior of this complex structure, a finite elements analysis was used, which requir...
This paper investigates the issue of performing a first-order sensitivity analysis in the setting of dynamic reliability. The likelihood ratio (LR) derivative/gradient estimation method is chosen to fulfill the mission. Its formulation and implementation in the system-based Monte Carlo approach t...
The limited battery power, unpredictable mobility and large variation of received signal strength in nodes of Mobile Ad Hoc Networks (MANETs) create link and node vulnerability and instability. Multicast routing in MANETs for group communication requires the establishment of reliable links betwee...
We have computed the excitonic states in the case of cylindrical symmetry as a function of the anisotropy using the finite-element method. The wave functions are also obtained and are presented for m = 0, the states coupled with the electromagnetic fields. We illustrate for instance that the ...
This paper proposes, implements, and evaluates an original discretization method for estimating the reliability of systems for which stress and strength are defined as complex functions of continuous random variables, when reliability is not derivable through common analytic techniques. This meth...
