Auflistung Nach Schlagwort "Numerical results"
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Analysis and Behavior of Steel Pipe Welded Lap Joints in Geohazard Areas
(2015)Using advanced finite element simulation tools, which account for both geometric and material nonlinearities, the bending capacity of welded lap pipeline joints is investigated. Following the analysis of plain pipes, ... -
Buckling and classification of high-strength steel CHS tubular members under axial compression and bending
(2012)EN 1993-1-1 provisions classify high-strength steel CHS members with relatively low values of D/t ratio as Class 3 or 4, so that their strength is based on elastic behavior only, neglecting their capability of sustaining ... -
Buckling design of confined steel cylinders under external pressure
(2010)Thin-walled steel cylinders surrounded by an elastic medium, when subjected to uniform external pressure may buckle. In the present paper, using a two dimensional model with nonlinear finite elements, which accounts for ... -
Buckling of unconfined and confined thin-walled steel cylinders under external pressure
(2008)The present paper investigates the structural stability of thin-walled steel cylinders subjected to uniform external pressure. A brief discussion of unconfined steel cylinder buckling is presented first. Subsequently, ... -
Buried steel pipelines crossing strike-slip faults
(2012)The paper examines the behaviour of buried steel pipelines crossing active strike-slip faults. The vertical fault plane is crossed by the pipeline at an angle ranging between zero and 45 degrees, causing significant plastic ... -
A comparative assessment of machine learning algorithms for events detection
(2019)Nowadays, one can observe massive amount of data production by numerous devices interacting with their environment and end users. [1] Such data can be the subject of advanced processing usually through machine learning ... -
Connected & autonomous vehicles – Environmental impacts – A review
(2020)Over the last decades the vehicle industry has shown interest in integrating new technologies on vehicles’ design. Such technologies are used in autonomous, connected and electrical vehicles with the primary hope of improving ... -
Control and optimization meet the smart power grid: Scheduling of power demands for optimal energy management
(2012)The smart power grid harnesses information and communication technologies to enhance reliability and enforce sensible use of energy through effective management of demand load. We envision a scenario with real-time ... -
Direct numerical simulation of dynamo transition for nonhelical MHD
(2010)Pseudospectral Direct Numerical Simulation (DNS) has been performed to simulate dynamo transition for nonhelical magnetohydrodynamics turbulence. The numerical results are compared with a recent low-dimensional model [Verma ... -
Efficient numerical modeling of liquefaction-induced deformations of soil structures
(2008)A new numerical methodology is presented for the simulation of the non cohesive soil response under small, medium and large cyclic shear strains, with special interest given to liquefaction phenomena. The new methodology ... -
Elephant's foot buckling and imperfection sensitivity of internally pressurized thin-walled metal cylinders subjected to bending
(2016)Upright cylindrical steel storage tanks, subjected to lateral loading, may fail in the form of local buckling near their bottom, due to the simultaneous action of excessive axial compression in the presence of internal ... -
Enabling crowd-sourced mobile Internet access
(2014)Crowd-sourced mobile Internet access services enable mobile users to connect with each other and share their Internet connections. This is a promising solution for addressing users' increasing needs for ubiquitous connectivity ... -
An Ensemble Interpretable Machine Learning Scheme for Securing Data Quality at the Edge
(2020)Data quality is a significant research subject for any application that requests for analytics to support decision making. It becomes very important when we focus on Internet of Things (IoT) where numerous devices can ... -
Experimental analysis of heat transfer between a heated wire and a rarefied gas in an annular gap with high diameter ratio
(2012)In this paper a first experimental attempt is performed to measure heat conduction through rarefied air at rest contained between two concentric cylinders. The heat transfer between a heated platinum wire having a diameter ... -
Finite element analysis of buried steel pipelines under strike-slip fault displacements
(2011)The present paper investigates the mechanical behavior of buried steel pipelines, crossing active strike-slip tectonic faults. The fault plane is vertical and crosses the pipeline axis at a certain angle. The interacting ... -
Finite element analysis of damage in pipeline bends
(2010)The present paper describes a numerical formulation for the analysis of damage in steel pipeline bends. In particular, the numerical implementation of Gurson plasticity model is described in the framework of a special ... -
Finite element analysis of sloshing in AXI-symmetric vessels
(2008)The present paper investigates externally-induced sloshing in axi-symmetric liquid containers, with emphasis on industrial spherical containers, using an efficient numerical formulation, based on modal analysis. Assuming ... -
Finite Element Analysis of Steel Lap Welded Joint Behavior under Severe Seismic Loading Conditions
(2019)The present paper extends the experimental and numerical research presented at the ASCE 2018 conference. The paper is numerical, based on a shell finite element simulation of the welded lap joint subjected to internal ... -
A general class of nonparametric control charts
(2018)In this article, we introduce a new general class of nonparametric Shewhart-type control charts using the lengths of runs of test sample observations between successive observations of a reference sample. Several control ... -
Green video delivery in LTE-based heterogeneous cellular networks
(2015)In this paper we present an optimization framework that formalizes the inherent trade-off between the user perceived quality of wireless video, and the energy consumption cost of the network. The former is formulated in ...