Numerical schemes for a class of nonlocal conservation laws: a general approach

02/15/2023

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by   Jan Friedrich, et al.

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In this work we present a rather general approach to approximate the solutions of nonlocal conservation laws. Thereby, we approximate in a first step the nonlocal term with an appropriate quadrature rule applied to the spatial discretization. Then, we apply a numerical flux function on the reduced problem. We present explicit conditions which such a numerical flux function needs to fulfill. These conditions guarantee the convergence to the weak entropy solution of the considered model class. Numerical examples validate our theoretical findings and demonstrate that the approach can be applied to further nonlocal problems.