Grants per year
Personal profile
Research Interests
Professor Umbanhowar's research in granular materials examines the interaction of legged devices and animals with unconsolidated substrates; the dependence of drag force and penetration resistance on granular material state and intruder geometry and kinematics; segregation, mixing, and flow in shaken, tumbled, fluidized, and stirred granular ensembles; and pattern formation and its connection to continuum theories of discrete particulate systems. Another related area of interest is motion control and self assembly/organization through vibrational manipulation of contact interactions mediated by friction and impact.
Education/Academic qualification
PhD, University of Texas at Austin
… → 1996
MS, Boston University
… → 1991
BA, Carleton College
… → 1987
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Network
Recent external collaboration on country level. Dive into details by clicking on the dots.
Grants 2000 2019
Unlocking Efficiencies in Earthmoving for Future Infrastructure: Modeling Plowing and Cutting Processes in Soils
Hambleton, J. P. & Umbanhowar, P.
9/1/17 → 8/31/19
Project: Research project
plowing
infrastructure
geotechnical engineering
research program
modeling
NRI: Collaborative Research:Integrating Physics Models and Control Methodologies for Enhanced Legged Locomotion on Yielding Terrain
NASA Lyndon B. Johnson Space Center
7/27/15 → 7/26/19
Project: Research project
Physics
Robots
Substrates
Animals
Robotics
UNS: Controlling mixing and segregation of granular media using unsteady flows
Lueptow, R. M., Ottino, J. M. & Umbanhowar, P.
7/1/15 → 6/30/19
Project: Research project
granular medium
unsteady flow
kinematics
Cutting and Shuffling: A New Dynamical Systems Paradigm for Mixing
Lueptow, R. M., Ottino, J. M. & Umbanhowar, P.
9/1/14 → 8/31/18
Project: Research project
Dynamical systems
Granular materials
Geophysics
Merging
Drug products
Research Output 1994 2019
Continuum modeling of granular segregation during hopper discharge
Xiao, H., Fan, Y., Jacob, K. V., Umbanhowar, P., Kodam, M., Koch, J. F. & Lueptow, R. M., Jan 16 2019, In : Chemical Engineering Science. 193, p. 188-204 17 p.Research output: Contribution to journal › Article
Hoppers
Finite difference method
Granular materials
Advection
Kinematics
Asymmetric concentration dependence of segregation fluxes in granular flows
Jones, R. P., Isner, A. B., Xiao, H., Ottino, J. M., Umbanhowar, P. & Lueptow, R. M., Sep 1 2018, In : Physical Review Fluids. 3, 9, 094304.Research output: Contribution to journal › Article
Granular Flow
Segregation
Fluxes
Particle size
Particle Size
Continuum modelling of segregating tridisperse granular chute fow
Deng, Z., Umbanhowar, P., Ottino, J. M. & Lueptow, R. M., Mar 1 2018, In : Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 474, 2211, 20170384.Research output: Contribution to journal › Article
continuum modeling
Segregation
chutes
Continuum
Advection
Diffusion, mixing, and segregation in confined granular flows
Fry, A. M., Umbanhowar, P., Ottino, J. M. & Lueptow, R. M., Jan 1 2018, (Accepted/In press) In : AIChE Journal.Research output: Contribution to journal › Article
Pressure
Shear flow
Finite difference method
Effect of pressure on segregation in granular shear flows
Fry, A. M., Umbanhowar, P., Ottino, J. M. & Lueptow, R. M., Jun 27 2018, In : Physical Review E. 97, 6, 062906.Research output: Contribution to journal › Article
Granular Flow
Segregation
Shear Flow
shear flow
beds