Recent studies indicate that bow foil biomimetic systems can significantly improve ship propulsion in waves. In this paper. the DTMB 5415 ship model is taken as the object and a semi-active elastic flapping foil is proposed to install at its bow underwater position. When a ship sails in head wave. https://safeersappliancers.shop/product-category/bosch-mbs533bw0b-electric-double-oven-white/