个人简介

B.S., University of Pennsylvania, 1975; M.S., Stanford University, 1977; Ph.D., 1981. Associate Professor, Caltech, 1985-89; Professor, 1990-99; Chevron Professor, 1999-; Professor of Mechanical Engineering, 2005-. Executive Officer for Chemical Engineering, 1993-99; 2013-.

研究领域

The Brady group's research interests are in fluid mechanics and transport processes, with a special interest in problems at the interface between continuum mechanics and statistical mechanics. One area of research concerns fundamental studies of complex fluids. Complex fluids is a generic label for materials that are composed of microstructural elements that interact via colloidal, hydrodynamic, and Brownian forces. Familiar examples of such fluids are suspensions, colloidal dispersions, liquid crystals, ferrofluids, electrorheological fluids, and polymer solutions and melts. In these systems the basic question is one of understanding and predicting the relationship between the material's microstructure and its macroscopic properties. To carry out this task, we have developed a novel computational method known as Stokesian Dynamics that allows us to make quantitative predictions of the structure-properties relations under processing conditions. These numerical experiments have opened up a new approach to study complex fluids and, combined with analytical statistical mechanical theories, are leading the way to the rational design and use of complex fluids.

The Brady group's research interests are in fluid mechanics and transport processes, with a special interest in problems at the interface between continuum mechanics and statistical mechanics. One area of research concerns fundamental studies of complex fluids. Complex fluids is a generic label for materials that are composed of microstructural elements that interact via colloidal, hydrodynamic, and Brownian forces. Familiar examples of such fluids are suspensions, colloidal dispersions, liquid crystals, ferrofluids, electrorheological fluids, and polymer solutions and melts. In these systems the basic question is one of understanding and predicting the relationship between the material's microstructure and its macroscopic properties. To carry out this task, we have developed a novel computational method known as Stokesian Dynamics that allows us to make quantitative predictions of the structure-properties relations under processing conditions. These numerical experiments have opened up a new approach to study complex fluids and, combined with analytical statistical mechanical theories, are leading the way to the rational design and use of complex fluids.

近期论文

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Takatori, S. C., Brady, J. F. "Swim stress, motion, and deformation of active matter: effect of an external field," Soft Matter 10, 9433 (2014) Takatori, S. C., Yan, W., Brady, J. F. "Swim Pressure: Stress Generation in Active Matter," PRL 113, 028103 (2014) Slominski, C. G., Kraynik, A. M., Brady, J. F. "The Einstein shear viscosity correction for non no-slip hyperspheres," J Colloid Interface Sci 430, 302-304 (2014) Shklyaev, S., Brady, J. F., Córdova-Figueroa, U. M. "Non-spherical osmotic motor: chemical sailing," JFM 748, 488-520 (2014) Swan, J. W., Zia, R. N., Brady, J. F. "Large amplitude oscillatory microrheology," J Rheol 58(1), 1-42 (2014) Michailidou, V. N., Swan, J. W., Brady, J. F., Petekidis, G. "Anisotropic diffusion of concentrated hard-sphere colloids near a hard wall studied by evanescent wave dynamic light scattering," J Chem Phys 139(16), 164905 (2013) Zia, R. N., Brady, J. F. "Stress development, relaxation, and memory in colloidal dispersions: Transient nonlinear microrheology," J Rheol 57(2), 457-492 (2013) Cordova-Figueroa, U. M.; Brady, J. F.; Shklyaev, S. "Osmotic propulsion of colloidal particles via constant surface flux," Soft Matter 9(28), 6382-6390 (2013) Koumakis, N., Brady, J. F., Petekidis, G. "Complex oscillatory yielding of model hard-​sphere glasses," Phys Rev Lett 110(17), 178301/1-178301/5 (2013) Laurati, M., Mutch, K. J., Koumakis, N. , Zausch, J., Amann, C. P., Schofield, A. B., Petekidis, G., Brady, J. F., Horbach, J. , Fuchs, M. and Egelhaaf, S. U. "Transient dynamics in dense colloidal suspensions under shear: shear rate dependence," J Phys: Condens Matter 24, 464104 (2012) Zia, R. N., Brady, J. F. "Microviscosity, microdiffusivity, and normal stresses in colloidal dispersions," J Rheol 56(5), 1175-1208 (2012) Koumakis, N., Laurati, M., Egelhaaf, S., Brady, J., Petekidis, G. "Yielding of Hard-Sphere Glasses during Start-Up Shear," PRL 108(9), 098303 (2012) Swan, J. W., Brady, J. F., Moore, R. S., Dooling, L., Hoh, N. J., Choi, J., and Zia, R. N. "Modeling hydrodynamic self-propulsion with Stokesian Dynamics. Or teaching Stokesian Dynamics to swim," Phys Fluids 23(7), 071901 (2011) Swan, J. W., Brady, J. F. "Anisotropic diffusion in confined colloidal dispersions: The evanescent diffusivity," J Chem Phys 135(1), 014701/1-014701/10 (2011) Lele, P. P., Swan, J. W., Brady, J. F., Wagner, N. J., and Furst, E. M. "Colloidal diffusion and hydrodynamic screening near boundaries," Soft Matter 7, 6844–6852 (2011) Swan, J. W., Brady, J. F. "The hydrodynamics of confined dispersions," JFM 687, 254-299 (2011) Brady, J. F. "Particle motion driven by solute gradients with application to autonomous motion: continuum and colloidal perspectives," JFM 667, 216-259 (2011) Zia, R. N., Brady, J. F. "Single-​particle motion in colloids: force-​induced diffusion," JFM 658, 188-210 (2010) Swan, J. W., Brady, J. F. "Particle motion between parallel walls: Hydrodynamics and simulation," Phys Fluids 22(10), 103301/1-103301/16 (2010) Wagner, N. J. and Brady, J. F. "Shear thickening in colloidal dispersions," Physics Today 62(10), 27-32 (2009)