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Reformulating the Hoogendoorn–Bovy predictive dynamic user-optimal model in continuum space with anisotropic condition

Listed author(s):
  • Du, Jie
  • Wong, S.C.
  • Shu, Chi-Wang
  • Zhang, Mengping
Registered author(s):

    Hoogendoorn and Bovy (2004) developed an approach for a pedestrian user-optimal dynamic assignment in continuous time and space. Although their model was proposed for pedestrian traffic, it can also be applied to urban cities. The model is very general, and consists of a conservation law (CL) and a Hamilton–Jacobi–Bellman (HJB) equation that contains a minimum value problem. However, only an isotropic application example was given in their paper. We claim that the HJB equation is difficult to compute numerically in an anisotropic case. To overcome this, we reformulate their model for a dense urban city that is arbitrary in shape and has multiple central business districts (CBDs). In our model, the minimum value problem is only used in the CL portion, and the HJB equation reduces to a Hamilton–Jacobi (HJ) equation for easier computation. The dynamic path equilibrium of our model is proven in a different way from theirs, and a numerical algorithm is also provided to solve the model. Finally, we show two numerical examples under the anisotropic case and compare the results with those of the isotropic case.

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    File URL: http://www.sciencedirect.com/science/article/pii/S0191261515001289
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    Article provided by Elsevier in its journal Transportation Research Part B: Methodological.

    Volume (Year): 79 (2015)
    Issue (Month): C ()
    Pages: 189-217

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    Handle: RePEc:eee:transb:v:79:y:2015:i:c:p:189-217
    DOI: 10.1016/j.trb.2015.06.005
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