• Faculty

    • Faculty Profile

    Dr G L Manjunath

    Subsurface Energy and Non-Linear Dynamics
    Assistant Professor
    Ph D 2016 Indian Institute of Technology Madras, India
    M S Research 2012 Indian Institute of Technology Madras, India
    B Tech 2007 University B.D.T College of Engineering, India

     

    2021 - Till Date Visiting Faculty Energy Institute, Bengaluru
    2020–2021 Postdoctoral Fellow Rach Institute of Physics, The Hebrew University, Israel
    2017–2019 Postdoctoral Research Associate Mork Family Department of Chemical Engineering and Material Science, University of Southern California, USA
    2016 Project Manager Super Wave Technology Pvt. Ltd.
    2015–2016 Institute Postdoctoral Fellow Indian Institute of Technology Madras, India

     

    • Reservoir Stimulation, CO2 capture-storage-sequestration and Subsurface Deformation Mechanics
    • Multiscale nonlinear experimental mechanics, chemo-mechanical characterization of engineering and natural composites(geomaterials)
    • Extreme loading of solids, Dynamic fracture mechanics and Crack propagation
    • Dynamics of friction and induced earthquakes
    1. Manjunath, G. L., Shravan, C. M., Nair, R. R., and Sundarajan. T., analyzing geomechanical characteristics of a reservoir, Indian Patent no. 342119 granted on 21/07/2020 (Indian patent no. 201641024743, filed on 07/19/2016). Postdoc work: Contribution - Provided the theoretical link between the lab scale results to field scale by incorporating the importance of Raman spectral shifts.
    2. Nair, R. R., Manjunath, G. L., Shravan, C. M., Vasylchenko, A., and Sundarajan. T., Method for industrial gas hydrate production. Indian Patent no. 349691 granted on 20/10/2020 (Indian patent application no. 201641012385, filed on 04/07/2016). PhD thesis work : Contribution - Designing of the thin membrane for creating osmosis effect required for gas hydrate formation.
    3. Nair, R. R., Manjunath, G. L., Vasylchenko, A., and Sundarajan. T., the method of implementation of versa fracking of oil and gas wells. PCT application no. WO2017037746A3, filed on 09/02/2016. PhD thesis work: Contribution -Designing of the versa fracking tube for creating shock waves required to produce primary and secondary cracks.
    4. Nair, R. R., Manjunath, G. L., and Vasylchenko, A., Method for continuous underground coal gasification. Indian patent application no. 5060/CHE/2014, filed on 04/08/2015. PhD thesis work: Contribution - Designing of the wellbore for propagation of fire front during gasification.
    5. Nair, R. R., Manjunath, G. L., and Vasylchenko, A., Method of plastic packer setting in borehole annulus. Indian patent application no. 5059/CHE/2014, filed on 04/08/2015. PhD thesis work: Contribution - Designing of the unique experimental set up for testing the strength of the plastic packer based on the composition.
    6.  Nair, R. R., Manjunath, G. L., Shravan, C. M., Vasylchenko, A., and Sundarajan. T., Composition of drilling fluid and method useful in drilling boreholes in water sensitive formations. PCT application no. WO2016088141 A3, filed on 12/02/2015. PhD thesis work: Contribution - Proposing the right combination of chemicals in drilling fluid and testing.

    Journals

    1. Manjunath, G. L., and Jha, B., 2019, Geomechanical Characterization of Gondwana Shale across Nano-micro-meso Scales, International Journal of Rock Mechanics and Mining Sciences, 119, 35-45. Impact Factor: 3.769, Journal Ranking 2018- 29/421-Q1 (https://doi.org/10.1016/j.ijrmms.2019.04.003) . Postdoc work : Scaling the influence of nano scale fracture toughness on mesoscale crack opening. 
    2. Manjunath, G. L., and Jha, B., 2019, Nanoscale Fracture Mechanics of Gondwana Coal, Int. J. Coal Geol., 204, 102–112.Impact Factor:5.330 Journal Ranking 2018- 54/421-Q1(https://doi.org/10.1016/j.coal.2019.02.007) . Postdoc work: An energy method for correlating pop-in event occurrence in calculating fracture toughness from nanoindentation data.
    3. Srikanth, T., Surendren, S., Balaganesan, G., and Manjunath, G. L., 2018, Response of welded aluminium alloy plates for ballistic loads, Ships and Offshore Structures, 13:6, 594-600.Impact Factor:1.763, Journal Ranking 2018-580/893-Q1 (https://doi.org/10.1080/17445302.2018.1440884) Collaborative work : New insights in the application of cold metal transfer in joining of plates of different metals with varied thickness values and it’s mechanical behaviour.
    4. Srikanth, T., S. Surendran, G. Balaganesan, and Manjunath, G. L., 2017, Response of CMT Welded Aluminum AA5086-H111 to AA6061-T6 Plate with AA4043 Filler for Ballistic. Procedia engineering, 194: 522-528.CiteScore: 1.04 Source Normalized Impact per Paper (SNIP): 0.784 SCImago Journal Rank (SJR): 0.277 (https://doi.org/10.1016/j.proeng.2017.08.180) Collaborative work : New insights in the application of cold metal transfer in joining of plates of different metals with varied thickness values and it’s mechanical behaviour.
    5. Manjunath, G. L., and Nair, R. R., 2017, Microscale assessment of 3D geomechanical structural characterization of gondwana shales, Int. J. Coal Geol., 181, 60-74. Impact Factor:5.330 Journal Ranking 2018-54/421-Q1 (https://doi.org/10.1016/j.coal.2017.08.007) PhD thesis work : First paper to describe the Raman stress calculations of shale based on carbon band stretching.
    6. Manjunath, G. L., and Nair, R. R., 2015, Implications of the 3D micro scale coal characteristics along with Raman stress mapping of the scratch tracks, Int. J. Coal Geol., 141, 13-22. Impact Factor:5.330 Journal Ranking 2018-54/421-Q1 (https://doi.org/10.1016/j.coal.2015.02.009) PhD thesis work : Influence of Raman spectroscopy in stress analysis of Indian coal based carbon band stretching.
    7. Manjunath, G. L., and Surendren, S., 2013, Effect of mono and composite coating on dynamic fracture toughness of metals at different temperatures, Composite Part B: Engineering, 51, 359–367. Impact Factor: 6.864, Journal Ranking 2018-38/369-Q1 (https://doi.org/10.1016/j.compositesb.2013.03.025) M.S thesis work : Application of Charpy impact testing on the metal coated structural components at cryogenic condition and high temperatures.
    8. Manjunath, G. L., and Surendren, S., 2013, Dynamic fracture toughness of aluminium 6063 with multilayer composite patching at lower temperatures, Ships and Offshore Structures, 8:2, 163-175.Impact Factor:1.763, Journal Ranking 2018-580/893-Q1 (https://doi.org/10.1080/17445302.2012.684283) M.S thesis work : Experimental demonstration on use of Charpy impact testing on composite patched sample at cryogenic conditions.
    9. Manjunath, G. L., and Surendran, S., 2012, Dynamic Fracture Toughness of Coated Structural Components at Different Temperatures. In ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering (pp. 81-89). American Society of Mechanical Engineers. Impact Factor-Not released, (doi:10.1115/OMAE2012-83224) M.S thesis work : Experimental demonstration on use of Charpy impact testing on composite patched sample at cryogenic condition.

    Invited Papers

    1. Manjunath, G. L., Surendren, S., 2019. Corrosion Control of Coated Structural Components in Marine Environment. Sustainable Marine Structures. Volume 1(1), 1-10. Impact Factor-Not released, Journal Ranking-Not released M.S thesis work : Pitting an uniform corrosion influence on multiple crack initiation and propagation in the metal coated structural components.
    2. Surendren, S., Manjunath, G. L., Lee, S. K., 2019. Mechanical behavior of patched steel panels at elevated temperatures. Sustainable Marine Structures. Volume 1(1), 21-34. Impact Factor-Not released, Journal Ranking-Not released M.S thesis work : Charpy impact testing of composite patched sample.

    Papers Under Review

    1. Manjunath, G. L., and Nair, R. R., Geomechanical characterization of marine sedimentary cores influenced from enhanced methane influx events of Krishna Godavari offshore basin (Under Review). PhD thesis work : Describes the importance of microscale fracture toughness mechanism and stress measurement using Raman spectral shifts in estimating methane bubble shape and size.
    2. Manjunath, G. L., Implications in scaling static to dynamic aspects of reservoir physics (Under Review). PhD work : Toughening mechanisms at multiscale.
    3. Manjunath, G. L., Haljasmaa, I and Jha, B., CO2 role in labscale geomechanical alteration of Morrow Sandstone at meso and micro scale (Under Review). Postdoc work : Shows the influence of CO2 as pore fluid on mesoscale dynamic behaviour property variation and it’s influence on microscale fracture toughness.

    Paper Under Preparation

    1. Manjunath, G. L., Liu, Z., and Jha, B., Novel lab scale experimental procedure to characterize stress percolation during hydraulic fracturing (Under Preparation). Postdoc work : New experimental techniques to monitor the pressure response in a material during crack propagation.
    2. Manjunath, G. L., Li, X., Nutt, S., and Jha, B., CO2 effect on nanoscale behaviour of Morrow Sandstone from Farnsworth site (Under Preparation). Postdoc work : Discusses the influence of nanoscale reactions on nanoscale mechanical behaviour of multiphase mineral and organic content.
    3. Manjunath, G. L., and Jha, B., Nanoscale fracture toughness behaviour of methane influxed Krishna-Godavari marine sediments (Under Preparation). Postdoc work : Scaling the influence of nanoscale fracture toughness on methane bubble size and shape considering multiphase mineral behaviour into consideration.

    Conferences

    1. Ante, M. A., Manjunath, G. L., Aminzadeh, F., and Jha, B., 2018, Nano- and Micro-Scale Deformation Behavior of Sandstone and and Shale, American Rock Mechanics Association (ARMA) 18-055. Postdoc work : Nano and Micro scale testing to obtain mechanical properties for performing coupled geomechanical modeling.
    2.  Ante, M. A., Manjunath, G. L., Aminzadeh, F., and Jha, B., 2018, Microscale Laboratory Studies for Determining Fracture Directionality in Tight Sandstone and Shale During Hydraulic Fracturing, Unconventional Resources Technology Conference (URTEC). Postdoc work : Microscale analysis in parallel and perpendicular direction of samples followed by coupled geomechanical modeling.
    3. Srikanth, T., Surendren, S., Balaganesan, G., and Manjunath, G. L., 2016, Response of CMT welded aluminum AA5086-h111 to AA6061-t6 plate with AA4043 filler for ballistic loads, 10th International Conference on Marine Technology (MARTEC), Dhaka, Bangladesh. Collaborative work : New insights in the application of cold metal transfer in joining of different plate metals with varied thickness.
    4.  Manjunath, G. L., Lee, S. K., Surendren, S., and Ji Hun, O. K., 2014, On the use of patches on steel panels at elevated temperatures. International Conference on ThinWalled Structures (ICTWS), Busan, South Korea. MS thesis work : Experimentation using Charpy impact testing in composite patched sample at high temperature condition.
    5. Manjunath, G. L., Nair, R. R., and Surendren, S., 2013, Estimation of complex laterally varying 3D layout reservoir. International Conference on Developing Unconventional Oil & Gas Resources, Indian Institute of Technology Madras, Chennai, India. Collaborative work : Estimation of elastic constants using Laser Doppler Vibrometer.
    6. Manjunath, G. L., and Nair, R. R.,. 2012, Hydraulic fracturing of shale rocks and its complexities using Finite element modelling. Second International Conference on Drilling Technology (ICDT), Indian Institute of Technology Madras, Chennai, India. Collaborative work : Measuring shale elastic properties by Laser Doppler Vibrometer.
    7. Manjunath, G. L., and Surendren, S., 2012, Dynamic Fracture Toughness of Coated Structural Components at Different Temperatures. ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering, Volume 6: Materials Technology; Polar and Arctic Sciences and Technology; Petroleum Technology Symposium, Rio de Janeiro, Brazil, OMAE2012-83224, 81-89. MS thesis work : Charpy impact testing on composite patched sample at cryogenic conditions
    • Postdoctoral Fellowship at the Department of Earth, Atmospheric and Planetary Sciences at the Massachusetts Institute of Technology, Cambridge, USA. (Awarded, Unable to accept)
    • First Level Certification Course in Russian Language, Russian Centre of Science and Culture, in Chennai
    • Institute Postdoctoral Fellowship, Department of Ocean Engineering, at Indian Institute of Technology Madras, India
    • Best paper presentation award at International Conference on Developing Unconventional Oil and Gas Resources, Indian Institute of Technology Madras, Chennai, India
    • Ministry of Human Resource Development Scholarship Government of India
    • Ranked among top 2% of the candidates who appeared for the Graduate Aptitude Test in Engineering (GATE) 2009, for admission to IITs and IISc in India
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