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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- 2 Similar Profiles
Granular materials
Engineering & Materials Science
Segregation
Mathematics
granular materials
Physics & Astronomy
Robots
Engineering & Materials Science
Granular Flow
Mathematics
Advection
Engineering & Materials Science
Kinematics
Engineering & Materials Science
Finite difference method
Engineering & Materials Science
Network
Recent external collaboration on country level. Dive into details by clicking on the dots.
Grants 2000 2022
GOALI: Flow driven segregation at the particle level
Lueptow, R. M., Ottino, J. M. & Umbanhowar, P.
10/1/19 → 9/30/22
Project: Research project
physical property
particle
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 → 7/26/20
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 → 6/30/20
Project: Research project
granular medium
unsteady flow
kinematics
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
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
6
Citations
(Scopus)
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
1
Citation
(Scopus)
Cutting and shuffling a hemisphere: Nonorthogonal axes
Lynn, T. F., Smith, L. D., Ottino, J. M., Umbanhowar, P. B. & Lueptow, R. M., Mar 7 2019, In : Physical Review E. 99, 3, 032204.Research output: Contribution to journal › Article
Hemisphere
hemispheres
hemispherical shells
tongue
Isometry
3
Citations
(Scopus)
Diffusion, mixing, and segregation in confined granular flows
Fry, A. M., Umbanhowar, P., Ottino, J. M. & Lueptow, R. M., Mar 1 2019, In : AIChE Journal. 65, 3, p. 875-881 7 p.Research output: Contribution to journal › Article
Pressure
Shear flow
Finite difference method
1
Citation
(Scopus)
Discrete element simulation of cylindrical particles using super-ellipsoids
Zhao, Y., Xu, L., Umbanhowar, P. B. & Lueptow, R. M., Oct 2019, In : Particuology. 46, p. 55-66 12 p.Research output: Contribution to journal › Article
Wall flow
Aspect ratio
Granular segregation induced by a moving subsurface blade
Dwivedi, V., Ottino, J. M., Lueptow, R. M. & Umbanhowar, P. B., Nov 8 2019, In : Physical Review E. 100, 5, 052902.Research output: Contribution to journal › Article
Segregation
blades
Blade
beds
Characteristic numbers