Mechanical Engineering; Medical Engineering; These positions are typically for one year, with variable starting dates, and are contingent upon completion of a Ph.D. degree. It provides support for the fabrication of research apparatus for the Division of Engineering and Applied Science, as well as other divisions on the Caltech campus. Of particular interest is the generation of cyclic or periodic motion under steady illumination, which emerges as a result of a coupling between light absorption and structure deformation. Turbulent buoyant helium plume. The microscopic information is further integrated to build a simple macroscopic modeling framework to study a series of examples. Caltech Engineering and Applied Science faculty work at the edges of fundamental science to invent the technologies of the future. Thursday, March 31, 2022. The experiments use high-speed photography, full-field photoelasticity, and laser velocimetry as diagnostics. Sample result of expected-AF (E[AF]) calculation based on PBEE methodology and earthquake magnitude estimation from EEWS (right). All rights reserved. At the center of the work are fundamental problems such as the formation of pollutants, the effects of turbulence on the dynamics of nano-particles, and various hydrodynamic and flame instabilities. Various astrophysical observations - including gravitational . We welcome you to explore our department and how our current community is contributing to our legendary past. We also enjoy close connections with the Jet Propulsion Laboratory and other National Laboratories, and technology industries. MC 104-44, Pasadena, CA 91125. UHMWPE, often known as Dyneema and Spectra, is a type of polymer fiber. Automated Decision-making System (ADS) is developed to make fast and rational decision based on the most updated EEWS information. Our faculty collaborate with colleagues from Mechanical and Civil Engineering, Applied Physics and Materials Science, Computing and Mathematical Sciences, Bioengineering, Geology and Planetary Sciences, and JPL. John Brady focuses on fluid mechanics and transport processes, and complex and multiphase fluids. Joyce and Kent Kresa Professor of Aerospace and Civil Engineering; Jet Propulsion Laboratory Senior Research Scientist; Co-Director, Space-Based Solar Power Project. The lab is located in the sub-basement of Spalding Lab, Building 41, in B224. MC 104-44, Pasadena, CA 91125. Earle C. Anthony Professor of Geology and Mechanical and Civil Engineering; Associate Director, Center for Autonomous Systems and Technologies, My research aims mainly at understanding better earthquakes,crustal deformation, and geomorphic processes. 2022 Caltech. 2. This is facilitated through collaboration with teams from Norway (NTNU); Germany (Max Planck) and the US (Caltech). . Bren Professor of Mechanical and Civil Engineering and Control and Dynamical Systems Professor Ames' research interests center on robotics, nonlinear control, hybrid systems and cyber-physical systems, with special emphasis on foundational theory and experimental realization on robotic systems; his lab designs, builds and tests novel bipedal robots and prosthesis with the goal of . Our research activities in computational solid mechanics address phenomena ranging from the atomistic scale, e.g., nano-indentation, to the structural scale, e.g., fracture of aircraft or spacecraft components, modeling of large space structures or even dynamic fragmentation phenomena accompanying hypervelocity impact. Strong polyethylene derivatives make up both of these fibers. Studing the fundamental connections between structure and function in different physical domains (temperature sensitivity, electrical conductivity, etc.). Dr. Conn is the President of The Kavli Foundation and widely recognized for his academic research and leadership, as well as his experience in the private sector. Concept of surrogate model is used to speed up calculation process in order to achieve real-time decision-making. Both homogeneous and bimaterial interfaces (abutted by various elastic and damaged media) are investigated. Our product portfolio ranges from a compact research system to 3D-printing systems for large-format production - their versatile capabilities deliver consistently and uncompromisingly high . Ph.D. graduates in Mechanical Engineering have gone on to successful Like all graduate programs at Caltech, the program in Mechanical Engineering is small, highly selective, and research oriented. . Today, you will find students and faculty working on nanostructured fuel cells, study of earthquakes ranging from the source to their impact on buildings, active ferroelectric materials and devices, neural prosthetics, debris flows, response of structures against accidental explosion, water resources, efficient combustion processes, quantum mechanical origins of the strength of materials and design. Professor of Engineering Science, Emeritus, 1200 E California Blvd. The goal of the system, is to stimulate the native standing and stepping control circuitry in the lower spinal cord so as to coordinate sensory-motor activity and partially replace the missing signals from the brain to the nerves. We offer graduate programs in Applied Mechanics, Civil Engineering and Mechanical Engineering. Group focus is on formation, propagation, stability, coupling and control of nonlinear wave phenomena at the micro/nanoscale which induces rapid transport of mass, momentum and heat at moving interfaces. See Taira and Colonius (Journal of Fluid Mechanics, 623:187-207, 2009) for further details. Herlab is primarily interested in: 1. Due to their intrinsic nature, Rayleigh-Taylor instabilities are found in a large diversity of engineering applications and natural phenomena (inertial confinement fusion, furnaces, accidental fires, heat transfer within stars, supernova formation, underwater hot vents, oil spill). Richard L. and Dorothy M. Hayman Professor of Mechanical Engineering, Emeritus, James Irvine Professor of Environmental and Civil Engineering, Emeritus, Richard L. and Dorothy M. Hayman Professor of Mechanical Engineering and Professor of Jet Propulsion, Emeritus. Admission is preferentially granted to applicants who ultimately intend to pursue the Ph.D. degree. Similar processes occur in medical procedures involving shock and ultrasonic waves, such as lithotripsy (pulverization of kidney stones with shock waves) and historipsy (tissue fractionation for treatment of cancer), and in two-phase flow in turbomachinery. Defects play a critical role in determining the macroscopic properties of solids. However, the bypass ratio is reaching a practical upper bound, and significant further reductions in jet noise will require more subtle interactions with the turbulent flow field and better understanding of the mechanisms of sound generation. It combines a rigorous and fundamental coursework along with a number of options to undertake projects including the iconic Design Competition, Solar Decathlon, and research with faculty, JPL and industry. MC 104-44, Pasadena, CA 91125. is the origin-story of aerospace research. Isolated hot surfaces surrounded by a flammable mixture, such as a pipe carrying hot gas in a flammable leakage zone in an aircraft or the overheating of a failing electrical or mechanical device, are potential ignition sources. In the late eighties, Rosakis introduced the concept of "Laboratory Earthquakes" and since then his research interests have mainly focused on the mechanics of seismology, the physics of dynamic shear rupture and frictional sliding and on laboratory seismology. His research has particular applications to geologic and engineering infrastructure materials, as well as to the petroleum industry. Active research areas include: robotic locomotion, sensor-based motion planning algorithms, multi-fingered robotic manipulation, applied nonlinear control theory, neural prosthetics, and medical applications of robotics. (b) Crystallization in photomechanical semi-crystalline polymers under light illumination (Bai, Bhattacharya, et al., in preparation). Caltech.edu is a Physics website created by California Institute of Technology.Site is running on IP address 52.26.125.194, host name ec2-52-26-125-194.us-west-2.compute.amazonaws.com (Boardman United States) ping response time 12ms Good ping.Current Global rank is 13,359, category rank is 12, monthly visitors is 2M, site estimated value 166,728$ Linda Darling-Hammond, education advisor to Barack Obama's presidential campaign. The flow is visualized with surfaces of constant vorticity magnitude (dark grey) and "Q-criterion" (light grey) which highlight the leading-edge and tip vortices. Specific laboratory demonstrations include the ability to dynamically cancel lift fluctuations associated with gusting flows on a time scale approaching the fast, intrinsic fluid-dynamic time scales associated with small-scale wings. Caltech is a world-renowned science and engineering institute that marshals some of the world's brightest minds and most innovative tools to address fundamental scientific questions. Caltech Mechanical Engineering | LATTICE Aerospace Research Cincinnati, Ohio, United States . Ground penetrating radar image of a large sand dune at Eureka Dunes, Death Valley, California. 3. PhD Student in Mechanical Engineering at Caltech Pasadena, California, United States. Feedback? Since the 1950s, significant reductions in aircraft noise have been made by increasing the bypass ratio of the turbofan engine. We offer an ABET-accredited undergraduate degree in Mechanical Engineering, and it is one of the most popular at Caltech. 1200 East California Boulevard. #MeetCaltech | The California Institute of Technology (Caltech) is a world-renowned science and engineering research and education institution, where extraordinary faculty, students and staff seek answers to complex questions, discover new knowledge, lead innovation, and transform our future. Current interests include biological fluid dynamics in the ocean, next-generation wind energy, and development of new experimental methods. Feedback? Currently active projects concern: seismicityand mountain building processes in the Himalaya; the imaging and dynamic analysis of seismic (regular earthquakes) and aseismic (slow earthquakes) fault slip; probabilistic forecasting of ground deformation and seismicity, in particular in the context of subsurface engineering operations (for CO2 storage or geothermal energy production for example; the effect of hydrology on crustal deformation and seismicity; ); dune dynamics on Mars and Earth, Howell N. Tyson, Sr., Professor of Mechanics and Materials Science; Vice Provost. Lawrence A. Hanson, Jr., Professor of Mechanical Engineering and Geophysics. for such academic courses as ME 72 (Engineering Design Laboratory). Indeed they have investigated this new phenomenon in various engineering and geophysical settings involving shear dominated rupture in the presence of weak interfaces or faults. G. Bradford Jones Professor of Mechanical Engineering and Applied Physics; Investigator, Heritage Medical Research Institute. Booming sand dunes have intrigued travelers since Marco Polo and puzzled scientists for long. The lab and its personnel function as a full support facility Caltech is a world-renowned science and engineering institute that marshals some of the world's brightest minds and most innovative tools to address fundamental scientific questions. Each of these topics relates to a difficult aspect in the proper operation of large-scale distributed system in which the temporal scales of the underlying dynamics of the systems, the rate of communications between agents, and the latency in computation and multi-threaded execution cannot be separated. He did his baccalaureate education in mechanical and aerospace engineering at the University of Utah. We are also studying how energy can be effectively extracted from wind gradients, in order to minimize power requirements and thereby reduce the weight of MAV. It serves as a facility where students, faculty, and staff may fabricate their own devices and projects for approved research programs. Anna L. Rosen Professor of Electrical Engineering and Medical Engineering. Mechanical and Civil Engineers shape our physical environment from the cities we live in, the machines we use, the way we travel, the energy that powers these to delivering the water we need. Developing a physical understanding of how stress propagates in nonlinear, ordered and disordered solid media at length scales ranging from nanometers to meters. Professor of Mechanical Engineering and Applied Physics. Active research areas include: robotic locomotion, sensor-based motion planning algorithms, multi-fingered robotic manipulation, applied nonlinear control theory, neural prosthetics, and medical applications of robotics. 08-24-21 A team led by the laboratory of Jose Andrade, George W. Housner Professor of Civil and Mechanical Engineering; Cecil and Sally Drinkward Leadership Chair, Department of Mechanical and Civil Engineering; Executive Officer for Mechanical and Civil Engineering, studied the digging habits of ants and uncovered the mechanisms guiding them. He teaches a broad range of undergraduate courses in Mechanical and Civil Engineering on subject areas which include Rigid Body Statics, Hydrostatics, Mechanics of Materials, Dynamics, CFD / FEA Modeling, Experimental Solid & Fluid Mechanics, and Engineering Design and Fabrication. He was also an NSF graduate research fellow studying human-robot interactions. The lab is open to the entire Caltech community. Frank and Ora Lee Marble Professor of Mechanical Engineering and Medical Engineering; Cecil and Sally Drinkward Leadership Chair, Department of Mechanical and Civil Engineering; Executive Officer for Mechanical and Civil Engineering. Learn more, 1200 E California Blvd. Puffing behavior has been encountered already in non-premixed (diffusion) flames such as fires. John Dabiris research focuses on unsteady fluid mechanics and flow physics, with particular emphasis on topics relevant to biology, energy, and the environment. Stairwells are located on both ends of the building, with the western stairwell coming directly into the lab. This course is intended to give the student a basic introduction to such systems. Mechanical and Civil Engineers shape our physical environment from the cities we live in, the machines we use, the way we travel, the energy that powers these to delivering the water we need. Rayleigh-Taylor instabilities appear when a heavy fluid is placed on top of a light fluid. Professor Tais research uses MEMS/NEMS technologies for medical applications. 1200 E . Division of Engineering & Applied Science, Department of Mechanical and Civil Engineering. The Andrew and Peggy Cherng Department of Medical Engineering at Caltech focuses on the applications of micro-/nanoscale engineering sciences and technologies to the design, analysis, and implementation of diagnostic, therapeutic, and monitoring devices for translational medicine. Research involves theoretical study, design, and implementation of devices and systems, such as resonators, radiators, and arrays in microwave and mm-waves, as well as silicon photonics integrated circuits in conjunction with active high speed electronics and photonics integrated circuits. ADS framework (left). The Bhattacharya group studies a wide range of active materials including shape-memory alloys, ferroelectrics, electro-active materials and liquid crystal elastomers. We are also developing reduced-order models based on Parabolized Stability Equations (PSE) and utilizing data from advanced diagnostic techniques such as large microphone arrays in order to isolate specific turbulent structures responsible for the loudest noise. All rights reserved. Heated gases rise up due to buoyancy and a thermal plume is established. Professor Hajimiri's research in medical engineering spans the fields of biosensors, drug delivery, terahertz imaging, and bio-inspired engineering. Our approach utilizes model-based, real-time control of unsteady mass injection along the wing's leading edge in order to dynamically alter the aerodynamic forces and moments, potentially eliminating traditional control surfaces whose inertia and structural limitations preclude real-time disturbance rejection algorithms. Dislocations mediate plasticity, vacancies mediate creep, and grain boundaries affect dislocations and vacancy migration. Located in the sub-basement of Thomas Laboratories, the High-Performance Computing Facility hosts multiple computing clusters. California Institute of Technology. Systems of current experimental interest include non-contact lithography of 3D micro-optical structures by patterned external fields; Marangoni wave phenomena and fractal wavefronts in biophysical systems; influence of layering transitions on slip behavior in nanoscale films; and optical wave propagation in structured polymeric waveguides. Electrical engineering at Caltech emphasizes both devices and systems. Wiki-site The DARPA Grand Challenges: A Caltech Perspective. To date, only passive devices such as serrated nozzles have proven robust and effective enough for deployment on commercial aircraft, but recent advances in simulation and modeling promise new insights into mechanisms that can be exploited in active and, perhaps ultimately, closed-loop control. Solid mechanics, dynamic mechanical properties, ballistic impact, hypervelocity impact of micrometeorites on spacecraft, dynamic fracture and fragmentation, adiabatic shear banding, mechanics of metallic glasses, mechanics of thin films, mechanics of geological materials, restoration of ancient stone monuments, earthquake fault mechanics, induced seismicity. 305 followers 303 connections. Professor Bhattacharya studies the mechanical behavior of solids, and specifically uses theory to guide the development of new materials. The members of our faculty lead dynamic research groups that are funded from diverse sources. The primary tools that we expect to build on are graph theory, partial order theory, temporal logic, graph grammars, formal methods and optimization-based control. Professor Pellegrino's research focuses on lightweight structures and particularly on problems involving packaging, deployment, shape control and stability. If a class is meeting in the lab for lecture or lab, the lab will be closed to all others until the class is over. This combination of tools allows us to model and analyze complex, protocol-based control systems by using temporal logic to specify desired behavior, graph theory (in particular the graph Laplacian and other associated matrices) to model and design the information flow, graph grammars to design cooperative behavior, lattice theory and Lyapunov theory to understand convergence properties via invariant sets, and model-checking and receding horizon control to design systems whose asynchronous execution sequences satisfy a given specification. Jim Hall Design & Prototyping Lab Website. Prof. Keten has received a number of honors including the Presidential Early Career Award for Scientists and Engineers (PECASE), Office of Naval Research (ONR) Young . Our twenty-four faculty members enjoy exceptional visibility, have dynamic research programs and play leadership roles in the academic community. Brian Potter is the author of the excellent Construction Physics blog, where he discusses why the construction industry has been slow to industrialize and innovate. The primary computational tools are advanced stochastic simulation algorithms based on Markov chain Monte Carlo concepts. We develop basic computational tools that allow us to model and predict the behavior of these ubiquitous materials with significant impact on engineering science and industry. Richard L. and Dorothy M. Hayman Professor of Mechanical Engineering and Bioengineering; Jet Propulsion Laboratory Research Scientist . Division of Engineering & Applied Science, Quantum Mechanics at the Macroscopic Scale, Closed-loop Flow Control for Micro Air Vehicles, One Step at a Time: A Conversation with Aaron Ames, Department of Mechanical and Civil Engineering, Kaila Coimbra Receives AIAA David and Catherine Thompson Space Technology Scholarship, Mimicking Termites to Generate New Materials, Tweaking Turbine Angles Squeezes More Power Out of Wind Farms, Shaking in Our Seats: Earthquake Science on the Big Screen. Medical Engineering. By combining high speed photography, optical techniques, including Coherent Gradient Sensing (CGS) interferometry, the dynamic perforation behavior involving crater morphology, debris and ejecta formation and solid/fluid/plasma transitions and interactions have been examined. The Division of Chemistry and Chemical Engineering (CCE) provides undergraduate and graduate students with a world-class education in all areas of the field. Professor of Civil Engineering and Applied Mechanics, Emeritus, Frank and Ora Lee Marble Professor of Aeronautics and Mechanical Engineering, Emeritus. Webpage Katherine Faber . Modeling and predicting the combustion of hydrogen remains challenging. Ruben F. and Donna Mettler Professor of Materials Science, Mechanics and Medical Engineering; Fletcher Jones Foundation Director of the Kavli Nanoscience Institute. During the investigation of the dependence of hot surface ignition temperature on various parameters, such as pressure, equivalence ratio, and surface size, it was observed that periodic flames (puffing) develop at higher equivalence ratios. Some dunes emit a persistent, low-frequency sound during a slumping event or a natural avalanche on the leeward face of the dune. Contours of pressure in a cross section of the jet two diameters downstream of the nozzle lip are shown. It supports more than 20 researchers (graduate students, postdoctoral scholars, visiting scholars and industrial members) to develop innovative MEMS/NEMS and medical devices. Action Function (AF) is defined such that mitigation action is taken when expected value of AF is greater than zero. Keys ideas include a reformulation of DFT in terms of local variables, efficient methods of solution and a nested discretization that resolves all details near the core but only samples representative points away from it. Professor Greer focuses on nano-scale phenomena: mechanical properties, in-situ deformation, and nano-fabrication. We thrive on finding and cultivating talented people who are passionate about what they do. Chevron Professor of Chemical Engineering and Mechanical Engineering. Privacy Notice. She . Special focus on earthquake early warning; understanding ground motions that cause building collapse; multi-scale self-organizing systems in dynamic rupture. Her current interests include clathrate and ice formation in porous media, hydrology, geologic carbon sequestration, and volcanic/geothermal systems. Research and STEM Activities Currently employed as Mechanical Engineering intern at Beta Technologies helping advance the future of electric vertical takeoff and landing aircraft. Caltech is home to more than 50 research centers and institutes. John Hall's research interests include earthquake engineering, structural engineering, structural dynamics, strong ground motion, finite element modeling, and earthquake reconnaissance. The Bhattacharya group has built theoretical and numerical models for photomechanical actuation in photoactive materials. and ME 72 (Engineering Design Laboratory). All rights reserved. Her work is applied to a wide range of geoscience problems in energy, resources and geohazards. John E. Goode, Jr., Professor of Aerospace and Mechanical Engineering. . Learn more at the Together with colleagues at the Illinois Institute of Technology and Princeton and Northeastern Universities, we are developing integrated closed-loop flow and flight control for stabilization and regulation of separated flows occurring on unmanned and micro air vehicle (UAV/MAV) wings. Term growth of the most popular at Caltech focuses on robotics, kinematics, Mechanical systems and networked systems! Both light illumination and Mechanical Engineering, and earthquake magnitude estimation from EEWS ( right caltech mechanical engineering research emission is characterized a Complex to directly use at the University of Utah surrounded by a flammable hydrocarbon/air mixture -. Current community is contributing to our legendary past when expected value of is And fracture phenomena on both ends of the flame front ( right.! And the US ( Caltech ) and disordered solid media at length scales ranging from nanometers to meters is! 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