[1] Helmholtz Zentrum Hereon, Inst Mat Syst Modeling, Geesthacht, Germany
[2] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN USA
[3] Hamburg Univ Technol, Inst Continuum & Mat Mech, Hamburg, Germany
[4] Sandia Natl Labs, Ctr Comp Res, Albuquerque, NM USA
[5] Helmholtz Zentrum Hereon, Inst Mat Syst Modeling, Max Planck Str 1, D-21502 Geesthacht, Germany