Results 21 to 30 of about 990,723 (349)

Modeling Dynamic Spatio-Temporal Correlations for Urban Traffic Flows Prediction

open access: yesIEEE Access, 2021
Prediction of traffic crowd movement is one of the most important component in many applications ' domains ranging from urban management to transportation schedule.
Nabeela Awan   +7 more
doaj   +1 more source

Dynamic migration flow modeling

open access: yesSecurity Dialogues /Безбедносни дијалози, 2017
The paper presents a SD model that analyses migrant/refugee flow, taking into account the following parameters: political decisions of the countries on migrant routes (political intervention), socio-economic factors, the porosity of state borders, criminal activities, public opinion, health, climate, and environmental conditions, etc.
Vladimir Ninković   +2 more
openaire   +2 more sources

Game-Theoretic Approach for Solving Multiobjective Flow Problems on Networks [PDF]

open access: yesComputer Science Journal of Moldova, 2005
The game-theoretic formulation of the multiobjective multicommodity flow problem is considered. The dynamic version of this problem is studied and an algorithm for its solving, based on the concept of multiobjective games, is proposed.
Maria A. Fonoberova, Dmitrii D. Lozovanu
doaj  

Large-scale physical modelling study of a flexible barrier under the impact of granular flows [PDF]

open access: yesNatural Hazards and Earth System Sciences, 2018
Flexible barriers are being increasingly applied to mitigate the danger of debris flows. However, how barriers can be better designed to withstand the impact loads of debris flows is still an open question in natural hazard engineering. Here we report
D.-Y. Tan   +4 more
doaj   +1 more source

The maximum flow in dynamic networks [PDF]

open access: yesComputer Science Journal of Moldova, 2005
The dynamic maximum flow problem that generalizes the static maximum flow problem is formulated and studied. We consider the problem on a network with capacities depending on time, fixed transit times on the arcs, and a given time horizon.
Maria A. Fonoberova, Dmitrii D. Lozovanu
doaj  

A demand model with departure time choice for within-day dynamic traffic assignment [PDF]

open access: yes, 2006
A within-clay dynamic demand model is formulated, embodying, in addition to the classic generation, distribution and modal split stages, an actual demand model taking into account departure time choice.
Arnott   +14 more
core   +1 more source

The minimum cost multicommodity flow problem in dynamic networks and an algorithm for its solving [PDF]

open access: yesComputer Science Journal of Moldova, 2005
The dynamic version of the minimum cost multicommodity flow problem that generalizes the static minimum cost multicommodity flow problem is formulated and studied.
Maria A. Fonoberova, Dmitrii D. Lozovanu
doaj  

Multi-class dynamic traffic assignment with link capacity constraints [PDF]

open access: yesمهندسی عمران شریف, 2021
One of the conventional methods for improving the performance of transportation networks is building new highways, which is not considered nowadays as an effective alternative especially for congested urban areas.
B. Javani, A. Babazadeh
doaj   +1 more source

Tourism and Empirical Applications of International Trade Theory: A Multi-Country Analysis [PDF]

open access: yes, 2007
This paper examines the application of quantitative techniques to further our understanding of international trade theory with respect to tourism flows.
Fletcher, John   +3 more
core   +1 more source

Shear-induced diffusion and dynamic heterogeneities in dense granular flows

open access: yesFrontiers in Physics, 2022
We study two-dimensional dense granular flows by molecular dynamics simulations. We quantify shear-induced diffusion of granular particles by the transverse component of particle displacements.
Kuniyasu Saitoh, Takeshi Kawasaki
doaj   +1 more source

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