TY - RPRT TI - A matrix-free approach for finite-strain hyperelastic problems using geometric multigrid AU - Davydov, Denis AU - Pelteret, Jean‐Paul AU - Arndt, Daniel AU - Kronbichler, Martin AU - Steinmann, Paul PY - 2020 DO - 10.1002/nme.6336 UR - https://www.osti.gov/biblio/1649466 ID - 1649466 ER -