• 3598 Citations
1994 …2020

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2020
2 Scopus citations

Granular flow in a wedge-shaped heap: Velocity field, kinematic scalings, and segregation

Isner, A. B., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., May 1 2020, In : AIChE Journal. 66, 5, e16912.

Research output: Contribution to journalArticle

2 Scopus citations

Measuring segregation characteristics of industrially relevant granular mixtures: Part I – A continuum model approach

Fry, A. M., Vidyapati, V., Hecht, J. P., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., May 15 2020, In : Powder Technology. 368, p. 190-201 12 p.

Research output: Contribution to journalArticle

Measuring segregation characteristics of industrially relevant granular mixtures: Part II – Experimental application and validation

Fry, A. M., Vidyapati, V., Hecht, J. P., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., May 15 2020, In : Powder Technology. 368, p. 278-285 8 p.

Research output: Contribution to journalArticle

Segregation models for density-bidisperse granular flows

Duan, Y., Umbanhowar, P., Ottino, J. M. & Lueptow, R. M., Apr 2020, In : Physical Review Fluids. 5, 4, 044301.

Research output: Contribution to journalArticle

The Soft-Landing Problem: Minimizing Energy Loss by a Legged Robot Impacting Yielding Terrain

Lynch, D. J., Lynch, K. M. & Umbanhowar, P. B., Apr 2020, In : IEEE Robotics and Automation Letters. 5, 2, p. 3658-3665 8 p., 9018262.

Research output: Contribution to journalArticle

2019

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 journalArticle

11 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 journalArticle

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 journalArticle

5 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 journalArticle

5 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 journalArticle

Modeling segregation of polydisperse granular materials in developing and transient free-surface flows

Deng, Z., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., Mar 2019, In : AIChE Journal. 65, 3, p. 882-893 12 p.

Research output: Contribution to journalArticle

4 Scopus citations

Pattern formation in a fully three-dimensional segregating granular flow

Yu, M., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., Jun 25 2019, In : Physical Review E. 99, 6, 062905.

Research output: Contribution to journalArticle

1 Scopus citations
2018

Asymmetric concentration dependence of segregation fluxes in granular flows

Jones, R. P., Isner, A. B., Xiao, H., Ottino, J. M., Umbanhowar, P. B. & Lueptow, R. M., Sep 2018, In : Physical Review Fluids. 3, 9, 094304.

Research output: Contribution to journalArticle

10 Scopus citations
9 Scopus citations

Effect of pressure on segregation in granular shear flows

Fry, A. M., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., Jun 27 2018, In : Physical Review E. 97, 6, 062906.

Research output: Contribution to journalArticle

8 Scopus citations

Optimized mixing by cutting-and-shuffling

Smith, L. D., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., Jan 1 2018, In : SIAM Journal on Applied Dynamical Systems. 17, 4, p. 2544-2573 30 p.

Research output: Contribution to journalArticle

1 Scopus citations

Persistent structures in a three-dimensional dynamical system with flowing and non-flowing regions

Zaman, Z., Yu, M., Park, P. P., Ottino, J. M., Lueptow, R. M. & Umbanhowar, P. B., Dec 1 2018, In : Nature communications. 9, 1, 3122.

Research output: Contribution to journalArticle

7 Scopus citations

Simulation and modeling of segregating rods in quasi-2D bounded heap flow

Zhao, Y., Xiao, H., Umbanhowar, P. B. & Lueptow, R. M., May 2018, In : AIChE Journal. 64, 5, p. 1550-1563 14 p.

Research output: Contribution to journalArticle

20 Scopus citations

Unsteady flows and inhomogeneous packing in damp granular heap flows

Xiao, H., Hruska, J., Ottino, J. M., Lueptow, R. M. & Umbanhowar, P. B., Sep 24 2018, In : Physical Review E. 98, 3, 032906.

Research output: Contribution to journalArticle

2 Scopus citations
2017

Controlling granular segregation using modulated flow

Xiao, H., McDonald, D., Fan, Y., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., May 1 2017, In : Powder Technology. 312, p. 360-368 9 p.

Research output: Contribution to journalArticle

13 Scopus citations

Dynamic In-Hand Sliding Manipulation

Shi, J., Woodruff, J. Z., Umbanhowar, P. B. & Lynch, K. M., Aug 1 2017, In : IEEE Transactions on Robotics. 33, 4, p. 778-795 18 p., 7913727.

Research output: Contribution to journalArticle

20 Scopus citations

Mixing and the fractal geometry of piecewise isometries

Park, P. P., Lynn, T. F., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., Apr 14 2017, In : Physical Review E. 95, 4, 042208.

Research output: Contribution to journalArticle

7 Scopus citations

Mixing and transport from combined stretching-and-folding and cutting-and-shuffling

Smith, L. D., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., Oct 19 2017, In : Physical Review E. 96, 4, 042213.

Research output: Contribution to journalArticle

6 Scopus citations

Predicting mixing via resonances: Application to spherical piecewise isometries

Smith, L. D., Park, P. P., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., Jun 13 2017, In : Physical Review E. 95, 6, 062210.

Research output: Contribution to journalArticle

9 Scopus citations

Transient response in granular quasi-two-dimensional bounded heap flow

Xiao, H., Ottino, J. M., Lueptow, R. M. & Umbanhowar, P. B., Oct 30 2017, In : Physical Review E. 96, 4, 040902.

Research output: Contribution to journalArticle

3 Scopus citations
2016

A continuum approach for predicting segregation in flowing polydisperse granular materials

Schlick, C. P., Isner, A. B., Freireich, B. J., Fan, Y., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., Jun 25 2016, In : Journal of fluid Mechanics. 797, p. 95-109 15 p.

Research output: Contribution to journalArticle

27 Scopus citations
8 Scopus citations

Mixing with piecewise isometries on a hemispherical shell

Park, P. P., Umbanhowar, P., Ottino, J. M. & Lueptow, R. M., Jul 1 2016, In : Chaos. 26, 7, 073115.

Research output: Contribution to journalArticle

14 Scopus citations
29 Scopus citations
2015

Granular segregation in circular tumblers: Theoretical model and scaling laws

Schlick, C. P., Fan, Y., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., Feb 2015, In : Journal of fluid Mechanics. 765, p. 632-652 21 p.

Research output: Contribution to journalArticle

40 Scopus citations

Modeling segregation of bidisperse granular materials using physical control parameters in the quasi-2D bounded heap

Schlick, C. P., Fan, Y., Isner, A. B., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., May 1 2015, In : AIChE Journal. 61, 5, p. 1524-1534 11 p.

Research output: Contribution to journalArticle

33 Scopus citations

On Mixing and Segregation: From Fluids and Maps to Granular Solids and Advection-Diffusion Systems

Schlick, C. P., Isner, A. B., Umbanhowar, P., Lueptow, R. M. & Ottino, J. M., Oct 28 2015, In : Industrial and Engineering Chemistry Research. 54, 42, p. 10465-10471 7 p.

Research output: Contribution to journalArticle

7 Scopus citations

Principles of appendage design in robots and animals determining terradynamic performance on flowable ground

Qian, F., Zhang, T., Korff, W., Umbanhowar, P. B., Full, R. J. & Goldman, D. I., Oct 8 2015, In : Bioinspiration and Biomimetics. 10, 5, 056014.

Research output: Contribution to journalArticle

19 Scopus citations

Shear-Rate-Independent Diffusion in Granular Flows

Fan, Y., Umbanhowar, P., Ottino, J. M. & Lueptow, R. M., Aug 18 2015, In : Physical Review Letters. 115, 8, 088001.

Research output: Contribution to journalArticle

27 Scopus citations
2014
6 Scopus citations

Force and flow at the onset of drag in plowed granular media

Gravish, N., Umbanhowar, P. B. & Goldman, D. I., Apr 3 2014, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 89, 4, 042202.

Research output: Contribution to journalArticle

17 Scopus citations

Modelling size segregation of granular materials: The roles of segregation, advection and diffusion

Fan, Y., Schlick, C. P., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., Feb 2014, In : Journal of fluid Mechanics. 741, p. 252-279 28 p.

Research output: Contribution to journalArticle

74 Scopus citations
2013

A mapping method for distributive mixing with diffusion: Interplay between chaos and diffusion in time-periodic sine flow

Schlick, C. P., Christov, I. C., Umbanhowar, P., Ottino, J. M. & Lueptow, R. M., May 20 2013, In : Physics of Fluids. 25, 5, 052102.

Research output: Contribution to journalArticle

13 Scopus citations

Flipper-driven terrestrial locomotion of a sea turtle-inspired robot

Mazouchova, N., Umbanhowar, P. B. & Goldman, D. I., Jun 1 2013, In : Bioinspiration and Biomimetics. 8, 2, 026007.

Research output: Contribution to journalArticle

26 Scopus citations
39 Scopus citations

Modeling, design, and control of 6-DoF flexure-based parallel mechanisms for vibratory manipulation

Vose, T. H., Turpin, M. H., Dames, P. M., Umbanhowar, P. & Lynch, K. M., Mar 12 2013, In : Mechanism and Machine Theory. 64, p. 111-130 20 p.

Research output: Contribution to journalArticle

17 Scopus citations

Modeling granular materials: A test bed for framing and analysis

Umbanhowar, P., Lueptow, R. M. & Ottino, J. M., Sep 1 2013, In : AIChE Journal. 59, 9, p. 3237-3246 10 p.

Research output: Contribution to journalArticle

4 Scopus citations
2012

Effects of worker size on the dynamics of fire ANT tunnel construction

Gravish, N., Garcia, M., Mazouchova, N., Levy, L., Umbanhowar, P., Goodisman, M. A. D. & Goldman, D. I., Dec 7 2012, In : Journal of the Royal Society Interface. 9, 77, p. 3312-3322 11 p.

Research output: Contribution to journalArticle

13 Scopus citations

Sliding manipulation of rigid bodies on a controlled 6-DoF plate

Vose, T. H., Umbanhowar, P. & Lynch, K. M., Jun 1 2012, In : International Journal of Robotics Research. 31, 7, p. 819-838 20 p.

Research output: Contribution to journalArticle

25 Scopus citations
42 Scopus citations
2011

Undulatory swimming in sand: Experimental and simulation studies of a robotic sandfish

Maladen, R. D., Ding, Y., Umbanhowar, P. & Goldman, D. I., Jun 1 2011, In : International Journal of Robotics Research. 30, 7, p. 793-805 13 p.

Research output: Contribution to journalArticle

35 Scopus citations
2010

Force and flow transition in plowed granular media

Gravish, N., Umbanhowar, P. B. & Goldman, D. I., Sep 16 2010, In : Physical review letters. 105, 12, 128301.

Research output: Contribution to journalArticle

69 Scopus citations

Granular impact and the critical packing state

Umbanhowar, P. & Goldman, D. I., Jul 15 2010, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 82, 1, 010301.

Research output: Contribution to journalArticle

85 Scopus citations