Results 11 to 20 of about 2,772,078 (264)

Validation of computational liquefaction for tailings: Tar Island slump [PDF]

open access: yesGeotechnical Research, 2022
Finite-element analyses using critical state theory proved necessary to understand the development of static liquefaction during three recent large tailing dam failures at Fundao (in Brazil), Cadia (in Australia) and Brumadinho (in Brazil). However, the complexity of these events prevents these analyses being viewed as a complete validation of the ...
Shuttle D.   +3 more
openaire   +2 more sources

Evolutionary Computational Approach in TAR Model Estimation [PDF]

open access: yesSSRN Electronic Journal, 2011
The well-known SETAR model introduced by Tong belongs to the wide class of TAR models that may be specified in several different ways. Here we propose to consider the delay parameter as endogenous, that is we make it to depend on both the past value and the specific past regime of the series.
Claudio Pizzi, Francesca Parpinel
openaire   +2 more sources

Structure of TAR RNA Complexed with a Tat-TAR Interaction Nanomolar Inhibitor that Was Identified by Computational Screening [PDF]

open access: yesChemistry & Biology, 2002
HIV-1 TAR RNA functions critically in viral replication by binding the transactivating regulatory protein Tat. We recently identified several compounds that experimentally inhibit the Tat-TAR interaction completely at a 100 nM concentration. We used computational screening of the 181,000-compound Available Chemicals Directory against the three ...
Du, Zhihua   +2 more
openaire   +2 more sources

Structure-Based Computational Database Screening, In Vitro Assay, and NMR Assessment of Compounds that Target TAR RNA [PDF]

open access: yesChemistry & Biology, 2002
There has been little prior effort to discover new drugs on the basis of a unique RNA structure. Binding of the viral transactivator Tat to the 5' bulge of the transactivation response (TAR) element is necessary for HIV-1 replication, so TAR RNA is a superb target. A computational approach was developed to screen a large chemical library for binding to
Lind, Kenneth E   +4 more
openaire   +2 more sources

Self-sustaining smouldering combustion of coal tar for the remediation of contaminated sand: Two-dimensional experiments and computational simulations [PDF]

open access: yesFuel, 2015
Abstract This study presents the development and validation of a computational model which simulates the propagation of a smouldering front through a porous medium against unique experiments in coal tar and sand. The model couples a multiphase flow solver in porous media with a perimeter expansion module based on Huygens principle to predict the ...
Gerhard, Jason   +3 more
openaire   +5 more sources

Mathematical modeling of the system «tar – polymer – filler» by means of the system of computer algebra Maple

open access: yesBionics of Intelligence, 2018
The mathematical and computer research and optimization of the system "Modified medium (coal tar) - polymer (waste from Pvc production) - active disperse filler (waste coke production - cube residues of distillation of phthalic anhydride)" are carried out.
Oleksiy Povzun   +3 more
openaire   +3 more sources

A comparison of CMB- and HLA-based approaches to type I interoperability reference model problems for COTS-based distributed simulation [PDF]

open access: yes, 2005
Commercial-off-the-shelf (COTS) simulation packages (CSPs) are software used by many simulation modellers to build and experiment with models of various systems in domains such as manufacturing, health, logistics and commerce.
Ayani, R.   +16 more
core   +1 more source

On the Estimation of Euler Equations in the Presence of a Potential Regime Shift [PDF]

open access: yes, 2003
The concept of a peso problem is formalized in terms of a linear Euler equation and a nonlinear marginal model describing the dynamics of the exogenous driving process.
A. Galli   +5 more
core   +5 more sources

Independent Set Reconfiguration in Cographs [PDF]

open access: yes, 2014
We study the following independent set reconfiguration problem, called TAR-Reachability: given two independent sets $I$ and $J$ of a graph $G$, both of size at least $k$, is it possible to transform $I$ into $J$ by adding and removing vertices one-by-one,
AE Mouawad   +21 more
core   +2 more sources

Influence of Reaction Atmosphere (H2O, N2, H2, CO2, CO) on Fluidized-Bed Fast Pyrolysis of Biomass Using Detailed Tar Vapor Chemistry in Computational Fluid Dynamics [PDF]

open access: yesIndustrial & Engineering Chemistry Research, 2015
Secondary pyrolysis in fluidized bed fast pyrolysis of biomass is the focus of this work. A novel computational fluid dynamics (CFD) model coupled with a comprehensive chemistry scheme (134 species and 4169 reactions, in CHEMKIN format) has been developed to investigate this complex phenomenon.
Mellin, Pelle   +3 more
openaire   +3 more sources

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