Perez, Sergio Carrillo, Jose Example 3.1 (Ideal-gas pressure and attractive potential) Example 3.1 from the article https://arxiv.org/abs/1812.00980 Finite volume;Well-balanced schemes;Free energy;Hydrodynamic systems;Numerical Analysis;Partial Differential Equations;Simulation and Modelling 2019-02-15
    https://figshare.com/articles/media/Example_3_1_Ideal-gas_pressure_and_attractive_potential_/7726151
10.6084/m9.figshare.7726151.v4