Dragonfly is one of the most excellent nature flyers,and its wings exhibit excellent functional characteristics through the coupling and synergy of morphology,configuration,structure and material.The functional charac...Dragonfly is one of the most excellent nature flyers,and its wings exhibit excellent functional characteristics through the coupling and synergy of morphology,configuration,structure and material.The functional characteristics presented by dragonfly wings provide an biological inspiration for the investigation and development of aerospace vehicles and bionics flapping aerocraft flapping-wing micro air vehicles.In resent years,some progresses have been achieved in the researches on the wings' geometric structure,material characteristics,flying mechanism and the controlling mode.In this paper,the functional characteristics of the dragonfly wings including flying,self-cleaning,anti-fatigue,vibration elimination and noise reduction are introduced and the effects of their morphology,configuration,structure and material on the functional characteristics are described.Moreover,the current state of the bionic study on the functional characteristics of dragonfly wings is analyzed and its application prospect is depicted.展开更多
Ⅰ. INTRODUCTIONThe observation of domain wall oscillation(DWR) and domain lattice FMR(DR) is one of the most common methods used to study the dynamic behaviors of magnetic domains, especially those in thin films for ...Ⅰ. INTRODUCTIONThe observation of domain wall oscillation(DWR) and domain lattice FMR(DR) is one of the most common methods used to study the dynamic behaviors of magnetic domains, especially those in thin films for magnetic bubble memories, because it yields the significant information about domain wall structure and damping, which are very展开更多
基金supported by the National Natural Science Foundation of China (Major Project of International Cooperation) (Grant No.50920105504)the National Natural Science Fundation for Youths (GrantNos. 51005097 and 51205160)+1 种基金the Science and Technology Development Project of Jilin Province (Grant No. 201201025)the Fundamental Science Research Funds for Key Laboratory of Ministry Education (GrantNo. 450060326061)
文摘Dragonfly is one of the most excellent nature flyers,and its wings exhibit excellent functional characteristics through the coupling and synergy of morphology,configuration,structure and material.The functional characteristics presented by dragonfly wings provide an biological inspiration for the investigation and development of aerospace vehicles and bionics flapping aerocraft flapping-wing micro air vehicles.In resent years,some progresses have been achieved in the researches on the wings' geometric structure,material characteristics,flying mechanism and the controlling mode.In this paper,the functional characteristics of the dragonfly wings including flying,self-cleaning,anti-fatigue,vibration elimination and noise reduction are introduced and the effects of their morphology,configuration,structure and material on the functional characteristics are described.Moreover,the current state of the bionic study on the functional characteristics of dragonfly wings is analyzed and its application prospect is depicted.
文摘Ⅰ. INTRODUCTIONThe observation of domain wall oscillation(DWR) and domain lattice FMR(DR) is one of the most common methods used to study the dynamic behaviors of magnetic domains, especially those in thin films for magnetic bubble memories, because it yields the significant information about domain wall structure and damping, which are very
