نتایج جستجو برای: stochastic ow

تعداد نتایج: 140340  

2000
S. van Dongen Stijn van Dongen

In [6] a cluster algorithm for graphs was introduced called the Markov cluster algorithm or MCL algorithm. The algorithm is based on simulation of (stochastic) ow in graphs by means of alternation of two operators, expansion and in ation. The results in [8] establish an intrinsic relationship between the corresponding algebraic process (MCL process) and cluster structure in the iterands and the...

Journal: :Pediatrics 2000
W Wisemandle L M Maynard S S Guo R M Siervogel

OBJECTIVE To determine the effects of timing of onset of overweight (OW) on childhood anthropometric adiposity levels using long-term serial data from the Fels Longitudinal Study. CLASSIFICATION OW was defined as body mass index (BMI; kg/m(2)) >25, and the age at first measurement of BMI >25 was the age of onset of OW. Early onset of OW (early-OW) and late onset of OW (late-OW) were defined a...

1997
Jan T. Lundgren Michael Patriksson

The combined distribution and assignment problem is the problem of the simultaneous determination of the distribution of trips between origins and destinations in a transportation network and the assignment of trips to routes in each origin{ destination pair. In the model most widely used the distribution is assumed to follow a gravity model with negative exponential deterrence function and the...

2001
Markus Kraft Wolfgang Wagner

In this paper we present an e cient algorithm for the numerical treatment of the PDF transport equation. Using the partially stirred plug ow model in conjunction with the IEM mixing model we construct a numerical scheme that is based on a time splitting technique and a stochastic chemistry approximation. For this purpose a particle/sub-particle system is introduced. The dynamics of this particl...

Journal: : 2022

Objective – to analyze the present-day views on pathogenesis of impairedhemocoagulation at acute cerebral circulation disturbances and role separate
 factors bloodcoagulation origin in mechanisms ischemic-reperfusion stroke.
 Conclusions. Analysis present hemocoagulation state acutedisorders blood fl ow testifi es availability both systemic cerebraldisturbances hemostasis their interd...

E. Shivanain S. Abbasbandy,

The meshless local radial point interpolation (MLRPI) method is applied to examine the magnetohydrodynamic (MHD) ow of third grade uid in a porous medium. The uid saturates the porous space between the two boundaries. Several limiting cases of fundamental ows can be obtained as the special cases of present analysis. The variations of pertinent parameters are addressed.

Journal: Physical Treatments 2017
Ebrahim Norouzi, Farzaneh Mikaeli Manee, Fatemeh Sadat Hosseini,

Purpose: Overweight or obese children and adolescents face a lack of confidence in their physical abilities, and show poorer motor and fitness performances, compared to healthy weight peers. Therefore, the present study aimed to investigate the relationship between physical self-efficacy and VO2 max in healthy weight versus overweight female adolescents. Methods: This was a cross-sectional cor...

Journal: :international journal of energy and water resources 0
alireza mardookhpour civil engineering hosein jamasbi civil engineering

reliable estimates of river stream fl ow and fl ood zoning maps are needed for water resourcesmanagement such as fl ood mitigation, water supply, dam construction and irrigation. flood zoning needsaccurate data and is one of the non-structural fl ood management methods. this paper describes theapplication of hec-ras and gis model to determine fl oodplains maps for the part of sardabrud rivertha...

Journal: :the international journal of humanities 2014
mahdi bashiri aida omidvar reza tavakkoli-moghaddam

the hub location decision is a long term investment and any changes in it take considerable time and money. in real situations, some parameters are uncertain hence, deterministic models cannot be more efficient. the ability of two-stage stochastic programming is to make a long-term decision by considering effects of it in short term decisions simultaneously. in the two-stage stochastic programm...

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