. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: J Comput Phys. 2017 Oct 1;346:191–211. doi: 10.1016/j.jcp.2017.06.020
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).