نتایج جستجو برای: flows

تعداد نتایج: 79686  

Journal: :پژوهشنامه کتابداری و اطلاع رسانی 0
محمد رئوف حیدری فر فرامرز سهیلی

introduction: for the understanding of the geopolitics of information, we need to use a geographical approach in the flows and processes of information. in this way, it is necessary that put the westphalian territorialism away and equipped by new approach called polycentrism to information and its geopolitics. it does not mean that we cannot analyze every thing according to territorial walls an...

Journal: :journal of heat and mass transfer research(jhmtr) 2014
maziar dehghan hassan basirat tabrizi

this study is concerned with the prediction of particles’ velocity in a dilute turbulent gas-solidboundary layer flow using a fully eulerian two-fluid model. the closures required for equationsdescribing the particulate phase are derived from the kinetic theory of granular flows. gas phaseturbulence is modeled by one-equation model and solid phase turbulence by mlh theory. resultsof one-way and...

2018
Rianne van den Berg Leonard Hasenclever Jakub M. Tomczak Max Welling

Variational inference relies on flexible approximate posterior distributions. Normalizing flows provide a general recipe to construct flexible variational posteriors. We introduce Sylvester normalizing flows, which can be seen as a generalization of planar flows. Sylvester normalizing flows remove the well-known single-unit bottleneck from planar flows, making a single transformation much more ...

Journal: :مکانیک سیالات و آیرودینامیک 0
مهدی پورمصطفی محمدسعید سیف علی نوری بروجردی

in recent years, many different methods have been developed to simulate free surface flows coupled with moving bodies. in this paper, for simulating ship maneuver, vof method (cicsam) and also for coupling velocity field and pressure a fractional step method are used. to increase simulation accuracy, the mesh size should be significantly fine. unfortunately, fine grid causes increase in simulat...

2014
SRINIVASA RAO

In wireless network, real time flows are prioritized over non-real time flows. Because of this prioritization, non-real time flows endures starvation. Furthermore, real time flows are handled quite generally as no specification is given to emergency flows. To consider all these difficulties, we propose a service differentiated call admission control mechanism for next generation wireless networ...

Hassan Basirat Tabrizi, Maziar Dehghan

This study is concerned with the prediction of particles’ velocity in a dilute turbulent gas-solidboundary layer flow using a fully Eulerian two-fluid model. The closures required for equationsdescribing the particulate phase are derived from the kinetic theory of granular flows. Gas phaseturbulence is modeled by one-equation model and solid phase turbulence by MLH theory. Resultsof one-way and...

2005
Shirin Ebrahimi-Taghizadeh Ahmed Helmy Sandeep Gupta

While earlier studies have pointed out that short-lived TCP flows (mice) may hurt long-lived TCP flows (elephants) in the long term, they provide insufficient insight for developing scenarios leading to drastic drop in throughputs of long-lived TCP flows. We have systematically developed TCP adversarial scenarios where we use short-lived TCP flows to adversely influence long-lived TCP flows. Ou...

Journal: :Hiroshima Mathematical Journal 1974

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