نتایج جستجو برای: link based and path based traffic assignment
تعداد نتایج: 17332084 فیلتر نتایج به سال:
not available at this time 3 An Inner Approximation Algorithm for the Discrete Time Varying User Equilibrium Problem Athanasios Ziliaskopoulos, Department of Mechanical and Industrial Engineering, University of Thessaly, Volos, 38334, Greece, [email protected] Traffic assignment models usually assume a convex relationship of link travel time with flow. This paper argues that this is contradict...
Hierarchical, cluster-based routing greatly reduces routing table sizes compared to host-based routing and the amount of routing related signalling traffic, while reducing path efficiency [8] and generating some management traffic [5], [10], [13]. Proposals for and analysis of cluster-based routing in dynamic networks include [9] and [13]. We present a local clustering method that requires no e...
gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...
This paper shows that the LOGIT type stochastic assignment / stochastic user equilibrium assignment can be represented as an optimization problem with only link variables. The conventional entropy function defined by path flows in the objective can be decomposed into a function consisting only of link flows. The idea of the decomposed formulation is derived from a consideration ofthe most likel...
This paper considers the link capacity requirement for an LEO satellite constellation. We model the constellation as an N N mesh-torus topology under a uniform all-to-all traffic model. Both primary capacity and spare capacity for recovering from a link or node failure are examined. In both cases, we use a method of ‘cuts on a graph’ to obtain lower bounds on capacity requirements and subsequen...
in this study, a simple, rapid and selective method was developed for the determination of dexamethasone. the proposed method is based on inhibitory effect of dexamethasone on the oxidation of orange-g by bromate in sulfuric acid media. the reaction was followed spectrophotometrically at 478.5 nm (?max). under optimum experimental conditions, (72.6 ?mol l-1 of orange-g, 0.76 mol l-1 of h2so4, 0...
in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...
Wavelength-routed WDM optical network has the tremendous capability of providing overgrowing needs of higher bandwidth to the end users. It uses preconfigured optimal lightpaths to carry the traffic of users from one node to another node. Hence, an intelligent RWA algorithms required to be employed to achieve better performance of the network. In this paper, we investigate the impact of path le...
This paper reports on the evaluation of alternative algorithms for dynamic, or time-varying, equilibrium traffic assignment. The algorithms are used for pre-trip assignment, which reflects driver familiarity with expected traffic conditions, and are appropriate for off-line applications which require a more detailed analysis – such as temporal network flows and sensitivity to traffic control me...
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