Johann Rudi, Argonne National Laboratory, Lemont, IL, United States, Georg Stadler, New York University, Courant Institute of Mathematical Sciences, New York, NY, United States, Jiashun Hu, California Institute of Technology, Pasadena, United States, Michael Gurnis, California Institute of Technology, Seismological Laboratory and Division of Geological and Planetary Sciences, Pasadena, CA, United States and Omar Ghattas, University of Texas at Austin, Oden Institute for Computational Engineering and Sciences, Austin, TX, United States