TY - RPRT TI - Approximate static condensation algorithm for solving multi-material diffusion problems on meshes non-aligned with material interfaces AU - Kikinzon, Evgeny AU - Kuznetsov, Yuri AU - Lipnikov, Konstatin AU - Shashkov, Mikhail PY - 2017 DO - 10.1016/j.jcp.2017.06.048 UR - https://www.osti.gov/biblio/1374334 ID - 1374334 ER -