TY - RPRT TI - Dynamic stiffness modification by internal features in additive manufacturing AU - Betters, Emma D. AU - West, Justin AU - Noakes, Mark AU - Nycz, Andrzej AU - Smith, Scott AU - Schmitz, Tony L. PY - 2020 DO - 10.1016/j.precisioneng.2020.04.024 UR - https://www.osti.gov/biblio/3030583 ID - 3030583 ER -