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Derivation of a first order traffic flow model of Lighthill-Whitham-Richards type

机译:Lighthill-Whitham-Richards类型的一阶交通流模型的推导

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In this paper, we introduce a new type of macroscopic traffic model which, includes a delay term in the flux function. We start from a delayed microscopic model and use well-known techniques to derive a corresponding first order macroscopic traffic model. This leads to a delayed hyperbolic partial differential equation converging to the classical Lighthill-Whitham-Richards (LWR) model for diminishing delay. Furthermore, we present numerical results to show the impact of the delay, and to verify the new model we found. To do so, we adapt known methods to analyze the derived equations numerically.
机译:在本文中,我们介绍了一种新型的宏观交通模型,该模型在通量函数中包含一个延迟项。我们从延迟微观模型开始,并使用众所周知的技术来推导相应的一阶宏观交通模型。这导致了一个延迟的双曲偏微分方程收敛到经典的Lighthill-Whitham-Richards(LWR)模型以减小延迟。此外,我们提供数值结果以显示延迟的影响,并验证我们发现的新模型。为此,我们采用已知的方法来对导出的方程进行数值分析。

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