TY - RPRT TI - Mechanical contact by constraints and split-based preconditioning AU - Karpeyev, Dmitry AU - Gaston, Derek AU - Hales, Jason AU - Novascone, Steven PY - 2014 DO - 10.2172/1134842 UR - https://www.osti.gov/biblio/1134842 ID - 1134842 ER -