• 3598 Citations
1994 …2020

Research output per year

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Research Output

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 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

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

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 in granular flows

Umbanhowar, P. B., Lueptow, R. M. & Ottino, J. M., Jun 7 2019, In : Annual Review of Chemical and Biomolecular Engineering. 10, p. 129-153 25 p.

Research output: Contribution to journalReview article

Open Access
8 Scopus citations

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

The geometry of cutting and shuffling: An outline of possibilities for piecewise isometries

Smith, L. D., Umbanhowar, P. B., Lueptow, R. M. & Ottino, J. M., Apr 20 2019, In : Physics Reports. 802, p. 1-22 22 p.

Research output: Contribution to journalReview article

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

Establishing continuum model segregation prameters for practical particle mixtures

Fry, A. M., Vidyapati, Hecht, J. P., Umbanhowar, P. B., Ottino, J. M. & Lueptow, R. M., Jan 1 2017, Particle Technology Forum 2017 - Core Programming Area at the 2017 AIChE Annual Meeting. AIChE, p. 495-505 11 p. (Particle Technology Forum 2017 - Core Programming Area at the 2017 AIChE Annual Meeting; vol. 2017-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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

Modeling Segregation in Modulated Granular Flow

Lueptow, R. M., Deng, Z., Xiao, H. & Umbanhowar, P. B., Jun 30 2017, In : EPJ Web of Conferences. 140, 03018.

Research output: Contribution to journalConference article

7 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

A review on locomotion robophysics: The study of movement at the intersection of robotics, soft matter and dynamical systems

Aguilar, J., Zhang, T., Qian, F., Kingsbury, M., McInroe, B., Mazouchova, N., Li, C., Maladen, R., Gong, C., Travers, M., Hatton, R. L., Choset, H., Umbanhowar, P. B. & Goldman, D. I., Sep 21 2016, In : Reports on Progress in Physics. 79, 11, 110001.

Research output: Contribution to journalReview article

57 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

Continuum modeling of density segregation for bidisperse granular materials

Xiao, H., Umbanhowar, P., Ottino, J. M. & Lueptow, R. M., Jan 1 2015, Particle Technology Forum 2015 - Core Programming Area at the 2015 AIChE Annual Meeting. AIChE, p. 307-318 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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

A practical model for bidisperse segregation of granular materials: A theory for segregating granular flows

Schlick, C., Isner, A., Fan, Y., Umbanhowar, P., Ottino, J. M. & Lueptow, R. M., Jan 1 2014, Particle Technology Forum 2014 - Core Programming Area at the 2014 AIChE Annual Meeting. AIChE, p. 465-476 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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

Modeling polydisperse granular segregation

Isner, A. B., Schlick, C. P., Umbanhowar, P., Ottino, J. M. & Lueptow, R. M., Jan 1 2014, Particle Technology Forum 2014 - Core Programming Area at the 2014 AIChE Annual Meeting. AIChE, p. 149-161 13 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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