نتایج جستجو برای: flow statistical featur

تعداد نتایج: 841297  

Journal: :journal of optimization in industrial engineering 2015
bahman naderi mehdi yazdani

although lot streaming scheduling is an active research field, lot streaming flexible flow lines problems have received far less attention than classical flow shops. this paper deals with scheduling jobs in lot streaming flexible flow line problems. the paper mathematically formulates the problem by a mixed integer linear programming model. this model solves small instances to optimality. moreo...

2009
S. B. Dubinkina J. E. Frank Svetlana Dubinkina Jason Frank

We conduct long simulations with a Hamiltonian particle-mesh method for ideal fluid flow, to determine the statistical mean vorticity field. Lagrangian and Eulerian statistical models are proposed for the discrete dynamics, and these are compared against numerical experiments. The observed results are in excellent agreement with theoretical models, as well as the continuum statistical mechanica...

Journal: :اکو هیدرولوژی 0
حسن ترابی استادیار گروه مهندسی آب، دانشگاه لرستان رضا دهقانی دانشجوی دکترای سازه‏ های آبی، دانشگاه لرستان

trend analysis of changing stream flow of spring in khoramabad city in three times span namely month, season and annual were investigated by statistical method. the data used include data from 4spring were selected in 40-years period (1348-1388). in this study, the slope of the linear trend in the data sample estimates with using the tsa and then with using tfpwmethodthe effect of coefficient o...

ژورنال: علوم آب و خاک 2022

In this research, soft computational models including multiple adaptive spline regression model (MARS) and data group classification model (GMDH) were used to estimate the geometric dimensions of stable alluvial channels including channel surface width (w), flow depth (h), and longitudinal slope (S) and the results of the developed models were compared with the multilayer neural network (MLP) m...

2015
Yipeng Zhang Yunbing Gao Bingbo Gao Yuchun Pan Mingyang Yan Yichun Xie Xinyue Ye

Statistical analysis of land-use change plays an important role in sustainable land management and has received increasing attention from scholars and administrative departments. However, the statistical process involving spatial overlay analysis remains difficult and needs improvement to deal with mass land-use data. In this paper, we introduce a spatio-temporal flow network model to reveal th...

2007
Kishore Angrishi Shu Zhang Ulrich Killat

The modern industrial network traffic consists of an increasing amount of soft real-time flows, which can tolerate very small delay and losses. Allowing probabilistic Quality of Service (QoS) violation for these flows can greatly help to improve resource utilization. However, the improvement depends on the statistical properties of competing independent flows. The notion of effective bandwidth ...

2008
W. Sas E. Malinowska A. Szymanski

Embankment dams, particularly tailings dams, are nowadays usually placed in swampy areas often dominated by organic soils, such as peats. Structures construction on soft organic soils makes it necessary to calculate subsoil deformations with a special consideration of the water flow. The test results show that the relationship between flow velocity and hydraulic gradient is always nonlinear. Th...

2001
Shengquan Wang Dong Xuan Riccardo Bettati Wei Zhao

We propose and analyze a methodology for providing absolute differentiated services with statistical performance guarantees for real-time applications in networks that use class-based (as opposed to flow-aware) staticpriority schedulers. We develop a method that can be used to derive statistical delay guarantees in a flow-unaware fashion. Traditionally, both deterministic and statistical delay ...

Journal: :Circulation research 2013
Melissa A Krueger Sabine S Huke Robb W Glenny

RATIONALE The spatial distribution of blood flow in the hearts of genetically modified mice is a phenotype of interest because derangements in blood flow may precede detectable changes in organ function. However, quantifying the regional distribution of blood flow within organs of mice is challenging because of the small organ volume and the high resolution required to observe spatial differenc...

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