scholarly journals Agent-based Dynamic Model For Pedestrian Counter Flow

2005 ◽  
Vol 8 ◽  
pp. 581-590
Author(s):  
P. Zhang ◽  
X. Huang ◽  
H. Wan ◽  
M. Liu
2009 ◽  
Vol 57 (3) ◽  
pp. 579-606 ◽  
Author(s):  
Oleg V. Sindiy ◽  
Daniel A. DeLaurentis ◽  
William B. Stein

2019 ◽  
Vol 13 (1) ◽  
Author(s):  
Jiunyan Wu ◽  
Tomoki Sekiguchi

AbstractAlthough intragroup conflict has both multilevel and dynamic natures, less attention has been paid to establishing a holistic model of intragroup conflict that emerges across levels and unfolds over time. To address this research gap, we extend the multilevel view of intragroup conflict (Korsgaard et al. 2008) to develop a multilevel and dynamic model of intragroup conflict that explicitly includes (1) the role of time and (2) the feedback loop to encompass the dynamic aspect of intragroup conflict. We further instantiate the extended model in the context of team decision-making. To achieve this and systematically examine the complex relationships, we use agent-based modeling and simulation (ABMS). We directly investigate how two types of intragroup conflict—task and relationship conflict—interplay with cross-level antecedences, interrelate and develop over time, and affect team outcomes. This study adds to the intragroup conflict research by extending the field with multilevel and dynamic views.


2020 ◽  
Vol 224 ◽  
pp. 03024
Author(s):  
N Baturina ◽  
G Anisimova

One of the frequently used modern epidemiological methods is the Simulation of disease spread. We used AnyLogic simulation. During the model construction, we take into account the specific cholera features. They are: the pathways of infection transmission, the course duration and the duration of the incubation (latent) period, the possibility of vaccination, etc.Two approaches are presented here: system-dynamic model and agentbased one. The system-dynamic model is used for strategic modelling of the epidemiological situation, it reflects the global trends. The agent-based approach allows describing the individual behaviour of each agent person, who independently form events conditioning transitions between states.Used together they make it possible to reflect different aspects of the epidemiological process development. The combination of these two models gives more possibilities for their application in a real situation: give the opportunity to impose tactical nuances on strategic modelling.


2021 ◽  
Vol 60 (1) ◽  
pp. 79-84
Author(s):  
Sergey P. Semenov ◽  
Viktor V. Slavsky ◽  
Maria V. Kurkina ◽  
Artyom O. Tashkin ◽  
Olga V. Samarina ◽  
...  

The article describes the results of five years of research in the development and creation of computer mathematical models of socio-economic systems using GIS technologies within the framework of two RFBR grants, which were directed by V.V. Slavsky. The first part describes the results of the development and creation of an interactive socially-oriented geographic information system designed to obtain information about social infrastructure facilities aimed at meeting the needs of people with limited mobility and people with disabilities. The second part describes the results of the development and creation of an interactive agent-based dynamic model of socio-economic processes (transport, production, demographic, etc.), using GIS technologies on the example of Khanty-Mansiysk.


Author(s):  
Michael Laver ◽  
Ernest Sergenti

This chapter adapts the dynamic model of multiparty competition to take into account the possibility that party leaders take their own preferences into account when they set party policy. If they do this, they must make trade-offs between satisfying their private policy preferences and some other objective, whether this is maximizing party vote share or pleasing current party supporters. Models that specify such trade-offs have often been found intractable using traditional analytical techniques. However, they are straightforward to specify and analyze using computational agent-based modeling, though this does require a rethinking of the types of decision rules that party leaders might use. The chapter finds an analogue of the earlier finding that insatiable party leaders may win fewer votes than satiable leaders. Leaders who care only about their party's vote share may win fewer votes over the long haul than leaders who also care about their own policy preferences.


Author(s):  
Jorge Perdigao

In 1955, Buonocore introduced the etching of enamel with phosphoric acid. Bonding to enamel was created by mechanical interlocking of resin tags with enamel prisms. Enamel is an inert tissue whose main component is hydroxyapatite (98% by weight). Conversely, dentin is a wet living tissue crossed by tubules containing cellular extensions of the dental pulp. Dentin consists of 18% of organic material, primarily collagen. Several generations of dentin bonding systems (DBS) have been studied in the last 20 years. The dentin bond strengths associated with these DBS have been constantly lower than the enamel bond strengths. Recently, a new generation of DBS has been described. They are applied in three steps: an acid agent on enamel and dentin (total etch technique), two mixed primers and a bonding agent based on a methacrylate resin. They are supposed to bond composite resin to wet dentin through dentin organic component, forming a peculiar blended structure that is part tooth and part resin: the hybrid layer.


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