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Dragonfly Larvae Inspire New Designs for Prosthetic Heart Valves

07-17-18

Professor Mory Gharib and postdoctoral researcher Chris Roh (MS '13, PhD '17) have studied the design and control of the jets that dragonfly larvae use to propel themselves to re-design health values. "The current heart valve design is a one-size-fits-all, where no patient-specific design is considered, and this causes many post-transplant complications," Dr. Roh says. "We believe that an intentionally off-centered opening of the heart valve to more closely match the patient's original blood flow will be an important design parameter that can be adjusted based on each patient's heart morphology." [Caltech story]

Tags: research highlights GALCIT MedE Morteza Gharib Chris Roh postdocs

Professor Ravichandran Receives Werner Köster Prize

06-03-15

Guruswami Ravichandran, John E. Goode, Jr., Professor of Aerospace and Professor of Mechanical Engineering as well as Director of the Graduate Aerospace Laboratories, and his former postdoctoral scholar Dr. Laurence Bodelot have been selected to receive the 2014 Werner Köster Prize for their paper entitled “Experimental determination of a representative texture and insight into the range of significant neighbouring grain interactions via orientation and misorientation statistics.

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Tags: honors GALCIT MCE Guruswami Ravichandran Laurence Bodelot postdocs

One-way Transmission System for Sound Waves

07-26-11

Postdoctoral scholar, Georgios Theocharis, and GALCIT alumnus Nicholas Boechler; working with Professor Chiara Daraio, have created the first tunable acoustic diode- a device that allows acoustic information to travel only in one direction, at controllable frequencies. [Caltech Press Release]

Tags: APhMS energy research highlights Chiara Daraio GALCIT Georgios Theocharis Nicholas Boechler postdocs

Best Paper Finalist in Robotics

07-24-11

Marin Kobilarov, a W. M. Keck Institute for Space Studies Postdoctoral Fellow, was a finalist for the best paper award in the 2011 Robotics: Science and Systems Conference - his paper is entitled Cross-Entropy Randomized Motion Planning .  The conference committee solicited original papers in all areas of robotics and followed a highly selective review process designed to select the best work of its kind in every category. Dr. Kobilarov is working on discrete geometric motion control of autonomous vehicles with Professors Mathieu Desbrun and Sergio Pelligrino.  [Read the paper]

Tags: honors GALCIT CMS Mathieu Desbrun Marin Kobilarov Sergio Pelligrino KISS postdocs

Caltech Researchers Create "Sound Bullets"

04-22-10

Alessandro Spadoni, Postdoctoral Scholar, and Chiara Daraio, Assistant Professor of Aeronautics and Applied Physics, have built a nonlinear acoustic lens that produces highly focused, high-amplitude acoustic signals dubbed "sound bullets." The combination of the acoustic lens and sound bullets have "the potential to revolutionize applications from medical imaging and therapy to the nondestructive evaluation of materials and engineering systems," says Professor Daraio. [Caltech Press Release]

Tags: APhMS research highlights Chiara Daraio GALCIT health Alessandro Spadoni postdocs