2014
DOI: 10.1007/s10915-014-9896-z
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Runge–Kutta Discontinuous Galerkin Method for Traffic Flow Model on Networks

Abstract: Abstract. We propose a bound-preserving Runge-Kutta (RK) discontinuous Galerkin (DG) method as an efficient, effective and compact numerical approach for numerical simulation of traffic flow problems on networks, with arbitrary high order accuracy. Road networks are modeled by graphs, composed of a finite number of roads that meet at junctions. On each road, a scalar conservation law describes the dynamics, while coupling conditions are specified at junctions to define flow separation or convergence at the … Show more

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Cited by 25 publications
(17 citation statements)
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“…However, due to the underlying geometry of the problem discontinuous Galerkin methods represent an alternative approach. This has been successfully shown in [17][18][19][20][21][22][23] for similar structured problems in one dimension. Our intention is now to derive a discontinuous Galerkin method in two space dimensions to solve the nonlocal hyperbolic conservation law from [5].…”
Section: Introductionmentioning
confidence: 88%
“…However, due to the underlying geometry of the problem discontinuous Galerkin methods represent an alternative approach. This has been successfully shown in [17][18][19][20][21][22][23] for similar structured problems in one dimension. Our intention is now to derive a discontinuous Galerkin method in two space dimensions to solve the nonlocal hyperbolic conservation law from [5].…”
Section: Introductionmentioning
confidence: 88%
“…Although the matrix M determines the stationary matrix C 1 , the inverse is not possible, the knowledge of C 1 does not permit the full determination of M. This is the essence of the irreversible evolution. Writing one row of matrix (26) as the vector Z T = m 1 m 2 · · · m N −1 m N , it can be noted that it is a stationary distribution because Z T M = Z T (eigenvalues 1), or C 1 M = C 1 . From Example 1, Eqs.…”
Section: A Properties Of Stochastic Matrices (Sm)mentioning
confidence: 99%
“…In an effort to keep the following material as compact as possible, we keep the detail to a bare minimum. For further details on Spectral methods, see [15] and [16], and for previous work on the DG method applied to a traffic flow model, see [17] and [18].…”
Section: Numerical Schemementioning
confidence: 99%
“…However, our choice of numerical flux, (17), would make this difficult to do. We also note that each of the elemental systems should be solved separately for the sake of computational efficiency.…”
Section: A State and Observation Equations For Dg Formulation Of Lwrmentioning
confidence: 99%