TY - RPRT TI - Topology optimization for designing periodic microstructures based on finite strain viscoplasticity AU - Ivarsson, Niklas AU - Wallin, Mathias AU - Tortorelli, Daniel A. PY - 2020 DO - 10.1007/s00158-020-02555-x UR - https://www.osti.gov/biblio/1631072 ID - 1631072 ER -