TY - RPRT TI - PolyMat: an efficient Matlab code for multi-material topology optimization AU - Sanders, Emily D. AU - Pereira, Anderson AU - Aguiló, Miguel A. AU - Paulino, Glaucio H. PY - 2018 DO - 10.1007/s00158-018-2094-0 UR - https://www.osti.gov/biblio/1526908 ID - 1526908 ER -