The impact of source terms in the variational representation of traffic flow

Abstract : This paper revisits the variational theory of traffic flow, now under the presence of continuum lateral inflows and outflows to the freeway say Eulerian source terms. It is found that a VT solution can be easily exhibited only in Eulerian coordinates when source terms are exogenous meaning that they only depend on time and space, but not when they are a function of traffic conditions, as per a merge model. In discrete time, however, these dependencies become exogenous, which allowed us to propose improved numerical solution methods. In Lagrangian and vehicle number-space coordinates, VT solutions may not exist even if source terms are exogenous.
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Transportation Research Part B: Methodological, Elsevier, 2016, 〈10.1016/j.trb.2016.09.011〉
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https://hal.inria.fr/hal-01281117
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Dernière modification le : vendredi 12 janvier 2018 - 01:49:56
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Jorge A Laval, Guillaume Costeseque, Bargavarama Chilukuri. The impact of source terms in the variational representation of traffic flow. Transportation Research Part B: Methodological, Elsevier, 2016, 〈10.1016/j.trb.2016.09.011〉. 〈hal-01281117v2〉

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