TY - RPRT TI - Shape optimization using a NURBS-based interface-enriched generalized FEM AU - Najafi, Ahmad R. AU - Safdari, Masoud AU - Tortorelli, Daniel A. AU - Geubelle, Philippe H. PY - 2016 DO - 10.1002/nme.5482 UR - https://www.osti.gov/biblio/1399734 ID - 1399734 ER -