Vertical dropshafts with tangential intake structures are often used in urban drainage systems to route surface flow into underground systems. Vortex driven by a inlet is the typical pattern vertical dropshaft. However, analytical solutions of key hydraulic transition from chute vortex have not been investigated, and theoretical guidelines dropshaft available. In present study, series proposed ...

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In this paper we review recent progress made to understand granular chutes flow using multi-scale modeling techniques. We introduce the discrete particle method (DPM) and explain how to construct continuum fields from discrete data in a way that is consistent with the macroscopic concept of mass and momentum conservation. We present a novel advanced contact detection method that is able of deal...

Small variations in how a task is designed can lead humans to tradeoff interaction-intensive for memory-intensive strategies. In this paper we introduce one such task, Blocks World, and present empirical data that shows such tradeoffs. Our attempts to model the acquisition of these tradeoffs using the default ACT-R conflict resolution mechanisms have met with failure. We have now run our model ...

Ag eneral architecture for the computer implementation of a theory of emotions is presented. The model is based mainly on a cognitive orientated theory proposed by Frijda 1986 where emotions are described as the manifestations of a concern satisfaction system. The model applies the theory to multiple agents in a blocks world environment where actions may or may not be emotional. Related work is...