Tejas Gorur Murthy
Department of Civil Engineering
Indian Institute of Science
Bangalore 560012, INDIA
Ph: +91-80-2293-3125
Email: tejasATiisc.ac.in
Granular Mechanics lab group
Research Interests: Mechanics of granular materials, image based deformation
measurements, x-ray computed tomography, experimental solid mechanics, algorithms for
image segmentation and deformation measurements.
Current group:
Manasa Bhat
Sudhanshu Rathore
Bhupendra Chand
Abrar Naseer
Mohd Ilyas Bhat
Aman Kushwaha
Group Alumni:
Dr. Ramesh Kandasami now Assistant Professor at IIT Madras
Dr. Shwetabh Yadav now Assistant Professor at IITHyderabad
Dr. Shravan Kumar now Senior Scientist at Toshiba Labs
Dr. Saurabh Singh now Postdoctoral fellow at University College London
Abhijit Hegde now Postdoctoral fellow at Ecological Sciences
Journal Publications
Hegde A., and Murthy T.G. (2022) “Experimental studies on deformation of granular materials
during orthogonal cutting”, Granular Matter (accepted in print queue)
Sarate P., Murthy, T.G., and Sharma P. (2022) “Column to pile transition in quasi static
deposition of granular chains”, Soft Matter, 18, 2054-2059
Singh, S. and Murthy, T.G., (2022) “Evolution of structure of cohesive granular ensembles in
compression”, International Journal of Solids and Structures, p.111359.
Pandey, K., Bin Masood, T., Singh, S., Hotz, I., Natarajan, V. and Murthy, T.G., (2022) “Morse
theory-based segmentation and fabric quantification of granular materials”, Granular Matter,
24(1), pp1-20.
Martinez A. et al (2021) Bio-inspired geotechnical engineering : principles current work,
opportunities and challenges”, Geotechnique, 71, 5, 2
Beleyur T., Uma D., Singh S., Somanathan H., and Murthy T.G., (2021) “The architecture,
dynamics, and silk investment in social spider, Stegodyphus sarasinorum”, Animal
Behaviour,179, pp 139-146.
Kandasami R. K., Singh S. and Murthy T.G. (2021) “Experimental investigations on stress
path dependence of weakly cemented sands”, ASCE Jl. of Geotechnical and
Geoenvironmental Engrg, 147 (4), pp 04021007.
Singh S., Meirs J. C., Saldana C., Murthy T.G. (2020) “Quantification of fabric in cemented
granular materials”, Computers and Geotechnics,125, pp 103644.
Zachariah N., Murthy T.G. and Borges R.M. (2020) “Moisture alone is sufficient to impart
strength but not weathering resistance to termite mound soil”, Royal Society Open Science,
Zachariah N., Singh S., Murthy T.G. and Borges R.M. (2020) “Bi-layered architecture
facilitates high strength and ventilation in nest mounds of fungus-farming termites”, Scientific
Reports 10:13157.
Qiao H., Murthy T.G. and Saldana C. (2019) Structure and deformation of gradient metal
foams produced by machining”, Journal of Manufacturing Science and Engineering, 141,
Wang Z., Murthy T.G. and Saldana C. (2019) “Deformation field interaction in sequential
circular indentation of a strain hardening material”, Philosophical Magazine A, 99, 10, 1259-
Wang Z., Basu S., Murthy T.G. and Saldana C. (2018) “Gradient microstructure and texture in
wedge- based severe plastic burnishing of copper”, Journal of Materials Research, 33, 8,
Yadav S., Saldana C., and Murthy T.G. (2018) “Experimental investigations on deformation of
soft rock during cutting”, International Journal of Rock Mechanics and Mining Sciences, 105,
Zachariah N., Das A., Murthy T. G. and Borges R M (2017) “Building mud castles: a
perspective from brick laying termites”, Scientific Reports , 7:4692.
Kandasami R. K. and Murthy T. G. (2017) “Manifestation of particle morphology on the
mechanical behavior of granular ensembles”, Granular Matter, 19 (2), 21- 33.
Wang Z., Basu S., Murthy T.G., Saldana C. (2016) “Modified cavity expansion formulation for
circular indentation and experimental validation”, International Journal of Solids and
Structures, 97, 129-136.
Kundanati L., Singh S., Mandal B., Murthy T. G., Gundiah N. and Pugno N. M. (2016)
“Fabrication and Mechanical Characterization of Hydrogel Infused Network Silk Scaffolds”,
International Journal of Molecular Sciences, 17 (10) 1631.
Yadav S., Saldana C., and Murthy T. G. (2016) “Porosity and geometry control ductile to
brittle deformation in indentation of porous solids”, International Journal of Solids and
Structures, 88, 11-16.
Kandasami R. K., Borges R., and Murthy T. G. (2016) Effect of biocementation on the
strength and stability of termite mounds”, Environmental Geotechnics, 3, 2, 99-113.
Murthy T.G., and Das A. (2019) “Constitutive modelling of geomaterials”, Indian Geotechnical
Journal, 49(4), 367-368.
Singh S, Kandasami R K and Murthy T. G. (2017) Prediction of mechanical response of
geomaterials using an advanced elasto-plastic constitutive model”, Proceedia Engineering,
173, 793-799.
Vishwanathan K, Mahato A, Murthy T.G., Koziara T and Chandrasekar S (2015) Kinematic
flow patterns in slow deformation of a dense granular material, Granular Matter, 17, 553-565.
Yadav S, Saldana C and Murthy T.G. (2015) Deformation field evolution in indentation of a
porous brittle solid, International Journal of Solids and Structures, 66, 35-45.
Kandasami R. K. and Murthy T G (2015) Experimental studies on the influence of
intermediate principal stress and inclination on the mechanical behaviour of angular sands,
Granular Matter, 17, 217-230.
Bhargav S, Kandasami R K, Murthy T G and Ananthasuresh G. K. (2015) Design of a
portable compliant device for estimating the failure-load of mesoscale cemented sand
specimens, ASME Journal of Mechanical Design, 137, 065001.
Huang C-Y, Murthy T G, Chandrasekar S (2014) Simultaneous measurements of thickness
and temperature profile of the lubricant film at chip-tool interface during machining process
using luminescent sensors, Proceedia Engineering, 79, 9-16.
Murthy T. G., Madariaga J., Huang C-Y. (2014) Luminescent molecular sensors for
assessment of temperature field in machining, Tribology Letters, 54, 129-137.
Murthy T.G., Saldana C., Hudspeth M. and Saoubi R. M. (2014) Deformation field
heterogeneity in punch indentation, Proceedings of the Royal Society A : Mathematical,
Physical and Engineering Sciences, 470, 20130807.
Du F., Yadav S., Moreno C.,Murthy T.G., and Saldana C. (2014) Incipient straining in severe
plastic deformation methods, Journal of Materials Research, 29,5, 718-728.
Gourvenec, S. M., Vulpe C., and Murthy T.G. (2014) A method for predicting the
consolidated undrained bearing capacity of shallow foundations, Geotechnique,64,3, 215-
Mahato A., Guo Y., Sundaram N., Murthy T.G., Saldana C., Chandrasekar S., (2013)
Unconstrained plastic flow at surfaces in sliding and cutting, International Journal of
Precision Technology, 3,4, 370-387.
Murthy T.G., Gnanamanickam E., and Chandrasekar S. (2012) Deformation field in
indentation of a granular ensemble, Physical Review E, 85, 061306.
Sundaram N., Guo Y., Murthy T. G., Saldana C.,Chandrasekar S. (2012), Rotation field in
wedge indentation of metals, Journal of Materials Research, 27,1.
Brown T.L., Saldana C., Murthy T. G., Mann, J.B., Guo, Y., Allard L.F., King, A.H., Compton,
D., and Chandrasekar, S. (2009), A study of the interactive effects of strain, strainrate and
temperature in severe plastic deformation of copper, Acta Materialia, 57, 5491-5500.
Saldana C., Murthy T. G., Shankar M R., Stach E A., and Chandrasekar S. (2009) Stabilizing
Nanostructured Materials by Coherent Nano-Twins and their Grain-Boundary Triple Junction
Drag, Applied Physics Letters, 94, 021910.
Calistes R., Swaminathan S., Murthy T. G., Shankar M.R., and Chandrasekar S. (2009)
Controlling gradation of surface strains and nanostructuring by large strain machining,
Scripta Materialia, 60,1,17-20.
Huang C., Murthy T. G., Shankar M. R., Saoubi R. M. and Chandrasekar S. (2008)
Temperature rise in SPD of titanium at small strain rates, Scripta Materialia, 58,8, 663-666.
Murthy T. G., Huang C., Shankar M. R., Chandrasekar S. and Sullivan J. P. (2008)
Temperature fields in severe plastic deformation at small strain rates, Materials Science
Forum, 584-586, 231-236.
Murthy T. G., Madariaga J. and Chandrasekar S. (2009) Direct mapping of deformation in
punch indentation and correlation with slip line fields, Journal of Materials Research, 24, 3,
Murthy T. G., Huang C. and Chandrasekar S. (2008) Characterization of deformation fields in
plane strain indentation of metals, Journal of Physics D: Applied Physics, 41, 074026.
Murthy T. G., Loukidis D., Carraro J. A. H., Prezzi M. and Salgado R. (2008) Closure to the
discussion on the Undrained monotonic response of clean and silty sands, Geotechnique,
58,6, 536- 538.
Murthy T. G., Loukidis D., Carraro J. A. H., Prezzi M. and Salgado R. (2007) Undrained
monotonic response of clean and silty sands, Geotechnique, 57,3, 273-288.
Refereed conference publications (2016-now)
Singh S. and Murthy T. G., (2022) “Structure of cemented granular materials”, 20th
International Conference on Soil Mechanics and Geotechnical Engineering, 20th ICSMGE,
Sydney, Australia.
Hegde A., and Murthy T.G. (2021) “An experimental study on shear bands in sand using the
orthogonal cutting set up”, EPJ Web of conferences, EDP Science, Vol 249, 10007
Hosakoti S., Yadav S., and Murthy T.G., (2021) Mechanics of indentation in highly porous
solids”, Biot-Bazant Conference 2021.
Zachariah N., Kandasami R K., Das A., Murthy T.G., and Borges R. M., (2019) Strength and
cementation in a termite mound, Earthen dwellings and structures, Springer transactions in
civil and environmental engineering, 131-139
Yadav S., Murthy T. G., and Sagapuram D. (2018) An experimental study of wedge
indentation of porous solids: Implications for cutting and drilling processes, Proceedings of the
ASME 2018 13th International Manufacturing Science and Engineering Conference,
MSEC2018-6629, V002T04A030.
Yadav S., Sagapuram D. and Murthy T.G. (2017) A comparative study of indentation
deformation fields in porous ductile and brittle solids, Sixth Biot conference on
Poromechanics, ASCE, 945-951. doi.org/10.1061/9780784480779.117
Singh S., Miers J.C., Saldana C.J., and Murthy T. G., (2018) “Experiments show a second
length scale in weakly cohered granular materials”, In micro to MACRO Mathematical
Modelling in Soil Mechanics, (pp. 319-326). Birkhauser, Cham.
Bharatraj S., Murthy T.G., and Kumaran V. (2017) Rheology of dense granular chute flow:
simulations to experiments, Powders and Grains 2017, EPJ Web of Conferences, 140,
Singh S., Kandasami R.K., Mahendran R.K., and Murthy T.G., (2017) “System size effects on
the mechanical response of cohesive-frictional granular ensembles”, EPJ Web of
Conferences, EDP Sciences,140, pp. 08007.
Singh S., Kandasami R.K., and Murthy T.G., (2017) Mechanics and modelling of cohesive
frictional granular materials. In: Ferrari A., Laloui L. (eds) Advances in Laboratory Testing and
Modelling of Soils and Shales (ATMSS). ATMSS 2017. Springer Series in Geomechanics and
Geoengineering. Springer, Cham.
Abstracts, posters and presentations in conferences
Singh S., Bhat M., Murthy T. G., and Natarajan V. (2022) “Morse theory based segmentation
of angular sands”, 5th International Conference on Tomography of Materials and Structures,
Grenoble, France.
Murthy T.G. (2021) “Fabric of weakly cemented sands”, 8th Indian Young Geotechnical
Engineers Conference (8thIYGEC), IIT Madras, Keynote lecture, India.
Singh S. and Murthy T. G. (2019) “Weakly cemented sands: understanding at multiple length
scales ”, 7th International Congress on Computational Mechanics and Simulation, IIT Mandi,
Mandi, India.
Hegde A., Singh S., and Murthy T. G. (2019) “Random packings insight from micro-
computed tomography and contact dynamics”, Engineering Mechanics Institute Conference,
CalTech, Pasadena, California, United States.
Singh S., Hegde A., and Murthy T. G. (2018) “On the depositional fabric of granular
ensembles”, International Union of Theoretical and Applied Mechanics, IIT Kanpur, Kanpur,
Singh S., Miers J.C., Saldana C.J., and Murthy T. G. (2018) “Measurement of fabric in
cohesive frictional granular materials using computed tomography”, IS Atlanta, Atlanta, United
Singh S., Miers J.C., Saldana C.J., and Murthy T. G. (2018) Structure of cohesive frictional
granular materials”, 10th European Solid Mechanics Conference, Bologna, Italy.