Implementation of the ball-approximated characteristics
Description: Implementation of an Eulerian Lagrangian Adjoint Method (ELLAM) through approximations by balls
Main Reference:
[1] H.M. Cheng and J. Droniou. An efficient implementation of mass conserving characteristic-based schemes in 2D and 3D. https://arxiv.org/abs/1908.05834
More details about the files are given in the readme.txt.