Numerical Investigation on the Flow Field Produced by Oscillating Foils Han-Chieh Chiu, Ren-Horn Shieh, Yu-Jen Chiu, Jer-Huan Jang and Cheng-Ru Yu MATEC Web Conf., 136 (2017) 02002 Published online: 14 November 2017 DOI: 10.1051/matecconf/201713602002