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【機(jī)械與車輛學(xué)院】Learning from Nature: New Body-involved Performance Enhancement Mechanism in Bio-inspired Propulsion

來(lái)源:   發(fā)布日期:2018-06-25

報(bào)告人:董海波 副教授(美國(guó)弗吉尼亞大學(xué)機(jī)械與航空工程系)
報(bào)告時(shí)間:2018 年 6月28 日,,上午 10:00-11:30
報(bào)告地點(diǎn):車輛實(shí)驗(yàn)樓二層報(bào)告廳
報(bào)告語(yǔ)言:中文/英文
報(bào)告內(nèi)容:
In this talk, a combined experimental and computational approach will be introduced for studying unsteady flow physics of freely flying and swimming animals. High-speed photogrammetry system and an accurate 3D data reconstruction technique are used together to measure the kinematics of animal body and appendages with extraordinary details. A model reduction tool is developed to extract the dominant kinematical components for analysis and computational modeling. A Cartesian-grid-based immersed boundary solver is then used to simulate corresponding unsteady flows in all their complexity. A block-based Adaptive Mesh Refinement (AMR) technique is used to enhance the computational ability and increase the computational efficiency for the application of high-Reynolds number flow and complex geometries. Analysis of vortex dynamics due to body-appendage interactions and associated aero/hydro-performance of insect flight and fish swimming will be discussed. The discovery of the new body-involved performance enhancement will bring new insights on the design of highly efficient bio-inspired robotic systems. 


  
Bio-sketch

 
董海波博士現(xiàn)任美國(guó)弗吉尼亞大學(xué)(University of Virginia)機(jī)械與航空工程系終身教職副教授,,博士生導(dǎo)師。2003年畢業(yè)于加州大學(xué)洛杉磯分校(UCLA)機(jī)械與航空工程系,。于2003年和2014年先后參與或共同主持美國(guó)海軍研究室的多高校合作的仿生水下推進(jìn)的基礎(chǔ)研究計(jì)劃(MURI),。主持美國(guó)國(guó)家自然科學(xué)基金項(xiàng)目2項(xiàng)、美國(guó)空軍研究室項(xiàng)目2項(xiàng)和科學(xué)儀器專項(xiàng)基金項(xiàng)目(DURIP)1項(xiàng),、其他項(xiàng)目20余項(xiàng),。在Journal of Fluid Mechanics (JFM), Physics of Fluids, Journal of Computational Physics等期刊發(fā)表SCI論文40余篇, 并兩次被選作JFM雜志封面, AIAA和ASME會(huì)議文章60余篇,。2011年獲美國(guó)國(guó)家自然科學(xué)基金CAREER基金?,F(xiàn)階段研究?jī)?nèi)容包括高精度高效率流體計(jì)算數(shù)值方法、浸入式邊界方法,、自適應(yīng)網(wǎng)格方法,、生物飛行和游動(dòng)、生物流體,、生物醫(yī)學(xué)流體,、軟體機(jī)器人等。學(xué)術(shù)任職包括美國(guó)航空航天學(xué)會(huì)(AIAA)流體力學(xué)技術(shù)委員會(huì)委員,、美國(guó)機(jī)械工程師協(xié)會(huì)流體力學(xué)技術(shù)委員會(huì)委員,、AIAA Associate Fellow、 International Journal of Micro Air Vehicles主編, AIAA Journal副主編,、2017 AIAA Aviation流體力學(xué)會(huì)議技術(shù)主席等,。2016年獲AIAA Foundation Abe M. Zarem Educator獎(jiǎng)。

主辦單位:
“新能源車輛及運(yùn)用”引智基地,、特種車輛研究所,、車輛傳動(dòng)國(guó)家重點(diǎn)實(shí)驗(yàn)室