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Paul Umbanhowar

  • 3449 Citations
1994 …2022

Research output per year

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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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Grants

GOALI: Flow driven segregation at the particle level

Lueptow, R. M., Ottino, J. M. & Umbanhowar, P.

National Science Foundation

10/1/19 → 9/30/22

Project: Research project

    • NRI: Collaborative Research:Integrating Physics Models and Control Methodologies for Enhanced Legged Locomotion on Yielding Terrain

    Lynch, K. M. & Umbanhowar, P.

    NASA Lyndon B. Johnson Space Center

    7/27/15 → 7/26/20

    Project: Research project

    • UNS: Controlling mixing and segregation of granular media using unsteady flows

    Lueptow, R. M., Ottino, J. M. & Umbanhowar, P.

    National Science Foundation

    7/1/15 → 6/30/20

    Project: Research project

    • Unlocking Efficiencies in Earthmoving for Future Infrastructure: Modeling Plowing and Cutting Processes in Soils

    Hambleton, J. P. & Umbanhowar, P.

    National Science Foundation

    9/1/17 → 8/31/19

    Project: Research project

    • Cutting and Shuffling: A New Dynamical Systems Paradigm for Mixing

    Lueptow, R. M., Ottino, J. M. & Umbanhowar, P.

    National Science Foundation

    9/1/14 → 8/31/18

    Project: Research project

    • Research Output

    Continuum modeling of granular segregation during hopper discharge

    Xiao, H., Fan, Y., Jacob, K. V., Umbanhowar, P. B., 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

    • 8 Scopus citations

    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

    • 2 Scopus citations

    Diffusion, mixing, and segregation in confined granular flows

    Fry, A. M., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., Mar 2019, In : AIChE Journal. 65, 3, p. 875-881 7 p.

    Research output: Contribution to journal › Article

    • 3 Scopus citations

    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

    • 2 Scopus citations

    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