Results 101 to 110 of about 817,469 (302)

Predicting Drag-Reducing Wall Turbulence of Surfactant Solution by Direct Numerical Simulation

open access: yesJournal of Fluid Science and Technology, 2012
We performed direct numerical simulations (DNS) of turbulent channel flow of surfactant solution to investigate characteristics of modulated wall turbulence and turbulent drag reduction.
Takashi OHTA   +2 more
doaj   +1 more source

Advanced in turbulence physics and modeling by direct numerical simulations [PDF]

open access: yes
The advent of direct numerical simulations of turbulence has opened avenues for research on turbulence physics and turbulence modeling. Direct numerical simulation provides values for anything that the scientist or modeler would like to know about the ...
Reynolds, W. C.
core   +1 more source

Direct numerical simulation and large-eddy simulation of stationary buoyancy-driven turbulence [PDF]

open access: yes, 2010
We report direct numerical simulation (DNS) and large-eddy simulation (LES) of statistically stationary buoyancy-driven turbulent mixing of an active scalar. We use an adaptation of the fringe-region technique, which continually supplies the flow with
Chung, D., Pullin, D. I.
core  

A low-cost parallel implementation of direct numerical simulation of wall turbulence

open access: yes, 2005
A numerical method for the direct numerical simulation of incompressible wall turbulence in rectangular and cylindrical geometries is presented. The distinctive feature resides in its design being targeted towards an efficient distributed-memory parallel
Bertolotti   +21 more
core   +1 more source

Diffusion‐Weighted Imaging for the Evaluation of the Sacroiliac Joint in Pediatric Patients

open access: yesArthritis Care &Research, EarlyView.
Objective Maturational signal in the sacroiliac joint (SIJ) of skeletally immature youth is often misinterpreted as inflammation. Diagnostic tools that improve specificity are greatly needed. Apparent diffusion coefficient (ADC) values from diffusion‐weighted imaging (DWI), when used with standard imaging, may enhance diagnostic accuracy.
Michael L. Francavilla   +6 more
wiley   +1 more source

The computational complexity of traditional Lattice-Boltzmann methods for incompressible fluids

open access: yes, 2008
It is well-known that in fluid dynamics an alternative to customary direct solution methods (based on the discretization of the fluid fields) is provided by so-called \emph{particle simulation methods}.
Enrico Fonda   +3 more
core   +1 more source

Sarilumab in Polyarticular‐Course Juvenile Idiopathic Arthritis: Dose‐Finding and 1‐Year Analysis of a Phase 2b, Open‐Label, Multicenter Study

open access: yesArthritis Care &Research, EarlyView.
Objective This study assessed sarilumab in treating patients with polyarticular‐course juvenile idiopathic arthritis (pcJIA). Methods This phase 2b, open‐label study (NCT02776735) consisted of three sequential parts (each with a core‐treatment and extension phase).
Fabrizio De Benedetti   +19 more
wiley   +1 more source

Modelling the Transition from Shear-Driven Turbulence to Convective Turbulence in a Vertical Heated Pipe

open access: yesMathematics
Heated pipe flow is widely used in thermal engineering applications, but the presence of buoyancy force can cause intermittency, or multiple flow states at the same parameter values.
Shijun Chu   +2 more
doaj   +1 more source

Pharmacokinetics, Pharmacodynamics, and Safety of Subcutaneous Belimumab in Pediatric Patients With Systemic Lupus Erythematosus: A Multicenter, Open‐Label Trial

open access: yesArthritis Care &Research, EarlyView.
Objective This study aimed to characterize the pharmacokinetics, pharmacodynamics, safety, and exploratory efficacy of subcutaneous belimumab in pediatric patients with active systemic lupus erythematosus (SLE) receiving standard therapy. Methods This single‐arm, multicenter, open‐label trial (GSK study 200908; ClinicalTrials.gov identifier ...
Hermine I. Brunner   +14 more
wiley   +1 more source

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