the complete 3d nonlinear dynamic problem of extensible, flexible risers conveying fluid is considered. for describing the dynamics of the system, the newtonian derivation procedure is followed. the velocity field inside the pipe formulated using hydrostatic and bernoulli equations. the hydrodynamic effects of external fluids are taken into consideration through the nonlinear drag forces in var...

With the popularity of information repositories, merging information available at various heterogeneous data sources has become an interesting problem. The data at the various sources might itself be structured, semi-structured or unstructured and the integration process involves reconciliation at various levels. XML has recently emerged as a good candidate in providing a unified view through a...

High-dimensional, time-dependent data are analyzed by developing a dynamic model in an associated low-dimensional embedding space. The proposed approach employs hierarchical Bayesian methods to learn a reversible statistical embedding, allowing one to (i) estimate the latent-space dimension from a set of training data, (ii) discard the training data when embedding new data, and (iii) synthesize...

while significant advances have been made on the blast analysis, applications of nonlinear analysis of structures under explosion have been limited to the frames and structural behavior of bridges subjected to blast is an issue that has attracted attention of researchers in recent years. nonlinear dynamic analysis can be lead to the most accurate responses of the structure under blast but the u...

In this paper a novel method is proposed for construction of an exponential observer for nonlinear system. The presented method is based on direct solution of dynamic error without any linearzing of nonlinear terms. Necessary and sufficient conditions for construction of direct observer are presented. Stability of the observer is checked using Lyapunov theorem. Also the ability of this observer...

To determine the mechanism of molecular evolution, molecular biologists need to carry out reconciliation work. In reconciliation work, they compare the relation between two heterogeneous phylogenetic trees and the relation between a phylogenetic tree and a taxonomic tree are compared. Phylogenetic trees and taxonomic trees are referred to as ordered trees and a reconciliation graph is construct...

BACKGROUND Medication reconciliation can prevent medication errors and harm when patients transition between hospital and other care settings. Though a Joint Commission hospital Patient Safety Goal since 2006, organizations continue to have difficulty implementing the process. OBJECTIVE To determine factors that influence performance of medication reconciliation in a hospital setting with a c...

A dynamic model developed in the HYSYS process simulator was validated using experimental data obtained from a pilot scale cyclohexane / n-heptane distillation. The resulting model was linked to the pilot unit’s DeltaV (Emerson Process Management) process control software. This link allowed non-measured parameter estimation to occur in parallel with the operation and control of the pilot plant ...

Security of Web services is a major factor to their successful integration into critical IT applications. An extensive research in this direction concentrates on low level aspects of security such as message secrecy, data integrity, and authentication. Thus, proposed solutions are mainly built upon the assumption that security mechanisms are static and predefined. However, the dynamic nature of...

................................................................................................................... ii Acknowledgements ........................................................................................................ iv 1) Introduction ................................................................................................................ 1 1.1) Original Contribu...