Publications

Published Journal Articles

1. Gadi Man, Y. A., Dagur, D. S., & Roy, S. . Origin of normal stress difference in consolidating strong depletion gels  . The Journal of Chemical Physics, 163, 204901 (2025).

2. Hentschel, H. G. E., Kumar, A., Procaccia, I., & Roy, S. (2024). The Eshelby problem in amorphous solids. Phys. Rev. E 110, L033001 .

3. Mandal, M. K., & Roy, S. (2024). High speed impact on granular media: breakdown of conventional inertial drag models. Soft Matter, 20(4), 877-886.

4. Mondal, C., Moshe, M., Procaccia, I., & Roy, S. (2023). Dipole screening in pure shear strain protocols of amorphous solids. Physical Review E, 108(4), L042901.

5. Dagur, D. S., Mondal, C., & Roy, S. . Spatial stress correlations in strong colloidal gel systems. Physical Review B, 108(2), 024106(2023).

6. Gadi Man, Y. A., Dagur, D. S., & Roy, S. . Micro-mechanical insights into the stress transmission in strongly aggregating colloidal gel. The Journal of Chemical Physics, 158(12)(2023).

7. Mondal, C., Moshe, M., Procaccia, I., Roy, S., Shang, J., & Zhang, J. (2022). Experimental and numerical verification of anomalous screening theory in granular matter. Chaos, Solitons & Fractals, 164, 112609.

8. Screiber-Re’em, K., Roy, S., Mondal, C., Moshe, M., Lemaître, A. and Procaccia, I., Anomalous elasticity and plastic screening in amorphous solids,Phys. Rev. E 104, 024904 (2021).

9. Lemaitre, A., Mondal, C., Procaccia, I., and Roy, S., Stress correlations in Frictional Granular Media,Phys. Rev. B 103(5), 054110 (2021).(Author names arranged alphabetically)

10. Lemaitre, A., Mondal, C., Procaccia, I., Roy, S., Wang , Y. and Zhang, J., Frictional Granular Matter: Protocol Dependence of Mechanical Properties, Phys. Rev. Lett. 126, 075501 (2021). (Author names arranged alphabetically)

11. Roy, S. and Tirumkudulu, M. S., Micro-mechanical theory of shear yield stress for strongly flocculated colloidal gel, Soft Matter 16(7), 1801 (2020). Corresponding Author.

12. Hentschel, H. G. E., Procaccia, I., and Roy, S., Diffusion in Agitated Frictional Granular Matter Near the Jamming Transition, Phys. Rev. E 100(4), 042902 (2019). (Author names arranged alphabetically)

13. Hentschel, H. G. E., Procaccia, I., and Roy, S., Scaling theory of giant frictional slips in decompressed granular media, EPL (Europhysics Letters) 125(6), 68004 (2019). (Author names arranged alphabetically)

14. Akella, V. S., Bandi, M. M., Hentschel, H. G. E., Procaccia, I., and Roy, S., Force Distributions in Frictional Granular Media, Phys. Rev. E 98(1), 012905 (2018). (Author names arranged alphabetically)

15. Bandi, M. M., Hentschel, H. G. E., Procaccia, I., Roy, S., and Zylberg, J., Training, memory and universal scaling in amorphous frictional granular matter, EPL (Europhysics Letters) 122(3), 38003 (2018). (Author names arranged alphabetically)

16. Roy, S. and Tirumkudulu, M. S., Universality in consolidation of colloidal gels, Soft Matter 12(47), 9402-9406 (2016).

17. Roy, S., and Tirumkudulu M. S., Yielding in a strongly aggregated colloidal gel. Part I: 2D simulations, J. Rheol. 60(4), 559-574 (2016).

18. Roy, S., and Tirumkudulu M. S., Yielding in a strongly aggregated colloidal gel. Part II: Theory, J. Rheol. 60(4), 575-586 (2016).

19. Roy, S. and Tirumkudulu, M. S., Drying and Consolidation in Drying Colloidal Dispersions, Procedia IUTAM 15, 57-63 (2015).

Book

1. Roy, S., Modeling the Generic Breakthrough Curve for Adsorption Process, Lap Lambert Academic Publishing, ISBN:6200262462 (2019).

CONFERENCES AND WORKSHOPS

1. Gave an oral Presentation titled "Training, memory and universal scaling in amorphous frictional granular matter" at 13th Annual European Rheology Conference (AERC-2019), Portorož, Slovenia, April 8-11, 2019.

2. Gave an oral Presentation titled "Scaling Theory of Giant Frictional Slips in Decompressed Granular Media" at Avalanche Dynamics and Precursors of Catastrophic Events, Les Houches, France, February 4-8, 2019.

3. Gave an oral Presentation titled " Yielding in a strongly aggregated colloidal gel: 2D simulations and theory" at CompFlu -2016, Pune, India, January 2-4, 2016.

4. Gave an oral Presentation titled "Yielding in a strongly aggregated colloidal gel: 2D simulations and theory" at 68th Annual Meeting of the APS Division of Fluid Dynamics, Volume 60, Number 21 Boston, Massachusetts , United States, November 22 - 24, 2015.

5. Gave an oral presentation at Research Scholars’ Symposium, Indian Institute of Technology - Bombay, Mumbai, India, February, 2015.

6. Presented a poster at Eighth symposium on complex fluids, JNCASR, Bangalore, India, December 22-24, 2014.

7.  Presented a poster titled "A theory for the compression of two dimensional strongly aggregated colloidal networks" at IUTAM Symposium on Multiphase Flows with Phase Change Challenges and Opportunities, Hyderabad, India, Decemeber 8 - 11, 2014.

8. Contributed talk: "A theory for the compression of two dimensional strongly aggregated colloidal networks", 67th Annual Meeting of the APS Division of Fluid Dynamics, Volume 59, Number 20 San Francisco, California , United States, November 23 - 25, 2014.

9.  Presented a poster titled: "A theory for the compression of two dimensional strongly aggregated colloidal networks" at Gordon Research Conference on Granular and Granular-Fluid Flow, Stonehill College, Easton, MA, United States, July 20 - 25, 2014.