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David HU博士的研究成果视频
热度 1 zhuchaodong 2014-7-14 22:09
David HU博士发过来的情况介绍中,添加了他研究工作成果的一些视频( http://hu.gatech.edu )。这些视频通俗地介绍了他几个有趣的发现。但是这些视频难以直接打开。由于科学网不能直接上载视频,我把搜到的几个视频上传到腾讯视频,和感兴趣的朋友、同事和学生分享。       1、雨中飞蚊, How Mosquitoes Fly in the Rain (English)         Dickerson, A., Shankles, P., Madhaven, N., Hu, D. L. (2012) Mosquitoes survive raindrop collisions by virtue of their low mass. Proceedings of the National Academy of Sciences, USA . 109 (25) 9822-9827.        2、犬摆脱水, Wet Dog Shaking in Slow Motiontion           Dickerson, A., Mills, Z. Hu, D. L. (2012) Wet mammals shake at tuned frequencies to dry. Journal of the Royal Society Interface 3、蚁筏渡江, Ant Rafts Mlot,N., Tovey, C. Hu, D.L. (2011) Fire ants self-assemble into waterproof rafts to survive floods. Proceedings of the National Academy ofSciences, USA . 108: 7669-7673.       Foster, P. C., Mlot, N. J., Lin, A. and Hu, D. L. (2014). Fire ants actively control spacing and orientation within self-assemblages. Journal of Experimental Biology 217, 2089-2100.   4、蛇行天下, Discovery-snakes Marvi, H. Hu, D. L. (2012) Friction enhancement in concertina locomotion of snakes. Journal of the Royal Society Interface. 5、 The Other Golden Rule Yang, P.J., Pham, J., Choo, J., Hu, D.L. (2014) Duration of urination does not change with body size. Proceedings of the National Academy of Sciences, USA.
4890 次阅读|1 个评论
蚁舟渡水等现象的生物动力学研究 - David HU博士来访学术报告
zhuchaodong 2014-7-12 08:46
学术报告 Ant Rafts, Wet-dog Shaking and Urination: A Tutorial on Scaling Principles for Biologists 邀请人:朱朝东 研究员 报告人: Dr. David HU Associate Professor of Mechanical Engineering and Biology Adjunct Associate Professor of Physics The George W. Woodruff School of Mechanical Engineering 报告时间: 2014 年 7 月 18 日,上午 10 : 00-12 : 00 报告地点:中国科学院动物研究所E 112 欢迎各位老师同学参加! 附:相关信息: Abstract We present a 1.5-hourtutorial on modeling tools used in a series of PNAS papers (2011, 2012, 2014) onbiological systems. In the first part, we use probability theory anddifferential equations to model how ants link their bodies together to buildrafts and towers. In the second part, weuse fluid mechanics and scaling principles predict the flow rate of the bladderacross a range of animal sizes. Scaling principles in particular can be learned across disciplines, from biologists to engineers. The audience will learn howto iterate between simple table-top experiments and theoretical analyses untila consistent physical picture emerges. Several in-class exercises will train students to apply these principles in their own scientific work. Biography Dr. David Hu is a mechanical engineer who studies the movementof animals. He has studied how snakes slither, how insects walk on water, andhow small insects fly through rain. His laboratory has invented new animal-like robots such as Robostrider which walks on water and Scalybot, which moves by virtue of its belly scales. He lives in Atlanta, Georgia USA with his wife Jia and children, Harry and Heidi. Hu is an Assistant Professor of Mechanical Engineering and Biology and Adjunct Professor of Physics at Georgia Institute of Technology. His degrees are in mechanical engineering and mathematics at M.I.T. and his postdoctoral work was at NYU. He has published in Nature , PNAS, Physics Today and American Scientist , and his work been featured in The Economist , The New YorkTimes , The Washington Post, USAToday, National Geographic, Popular Mechanics, Audobon, Smithsonian, Scholastic ,and others. He has been invited guest on Good Morning America, Discovery Channel , National Public Radio, and in the film Fire Ants 3D: The Invincible Army , available on NetFlix. These videos and more may be found at his website, Hoogleat http://hu.gatech.edu References: (1) Yang,P.J., Pham, J., Choo, J., Hu, D.L. (2014) Duration of urination does not change with body size. Proceedings of theNational Academy of Sciences, USA. (2) Dickerson,A. , Shankles, P., Madhaven, N., Hu, D. L. (2012) Mosquitoes survive raindrop collisions by virtue of their low mass. Proceedings of the National Academy of Sciences, USA. 109 (25) 9822-9827. (3) Mlot,N. , Tovey, C. Hu, D.L. (2011) Fire ants self-assemble into waterproof rafts to survive floods. Proceedings of the National Academy ofSciences, USA. 108 : 7669-7673.
4824 次阅读|0 个评论

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