{"title":"Numerical simulation of a two-dimensional flapping wing in advanced mode","authors":"Zhi-yong Liang (梁志勇) , Liang Wei (魏亮) , Jing-yu Lu (卢锦煜) , Xiao-hong Qin (覃小红)","doi":"10.1016/S1001-6058(16)60801-6","DOIUrl":null,"url":null,"abstract":"<div><p>A two-dimensional model is built to describe the translation and the rotation of the hovering flapping movement. The equations of motion are derived for insect's flapping movement, and the model is implemented by the computational fluid dynamics (CFD) software FLUENT and it's user defined function (UDF). It is shown that the lift coefficient changes slowly in the intermediate stage, there are two areas in which the lift coefficient changes dramatically, and the drag coefficient behaves quite differently when flapping up and down. The vortex distribution, the pressure distribution, and the velocity vector distribution in the advanced mode at different times follow quite various rules.</p></div>","PeriodicalId":66131,"journal":{"name":"水动力学研究与进展:英文版","volume":"29 6","pages":"Pages 1076-1080"},"PeriodicalIF":3.4000,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1001-6058(16)60801-6","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"水动力学研究与进展:英文版","FirstCategoryId":"1087","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1001605816608016","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MECHANICS","Score":null,"Total":0}
引用次数: 2
Abstract
A two-dimensional model is built to describe the translation and the rotation of the hovering flapping movement. The equations of motion are derived for insect's flapping movement, and the model is implemented by the computational fluid dynamics (CFD) software FLUENT and it's user defined function (UDF). It is shown that the lift coefficient changes slowly in the intermediate stage, there are two areas in which the lift coefficient changes dramatically, and the drag coefficient behaves quite differently when flapping up and down. The vortex distribution, the pressure distribution, and the velocity vector distribution in the advanced mode at different times follow quite various rules.
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