✔ Elastic and Electromagnetic waves in polycrystalline media
✔ Impedance spectroscopy
✔ Capacitive mapping
✔ Development of techniques for nondestructive evaluation
✔ Engineering Metamaterials for controlling electromagnetic and acoustic wave propagation
Current Research
I am the Principal Investigator for the pCoE initiative titled, “Millimeter & Microwave Metamaterialsâ€.
Students
Current PhD Students
✔ PH19D012 DHRUVA MANUR
✔ PH17D203 VIKAS YADAV (Co-Guidance)
✔ PH18D047 ANJAN DAS (Co-Guidance)
✔ PH17D039 SANTOSH KUMAR DASILA (Co-Guidance)
Recent Publications
✔ Numerical study using finite element method for heat conduction on heterogeneous materials with varying volume fraction, shape and size of fillers. Anuraag Saini, Sreedhar Unnikrishnakurupa, C.V.Krishnamurthy, Krishnan Balasubramanian, T.Sundararajan. International Journal of Thermal Sciences. 2021.
✔ Detection of dis-bond between honeycomb and composite facesheet of an Inner Fixed Structure bond panel of a jet engine nacelle using infrared thermographic techniques. Renil Thomas Kidangan ,Chitti Venkata Krishnamurthy, Krishnan Balasubramaniam. Quantitative InfraRed Thermography Journal. 2020.
✔ Relative permittivity of dielectrics from scaling relation of capacitance. R.Gokul Raj, Chitti Venkata Krishnamurthy. Measurement. 151. 2020.
✔ Experimental and Numerical Investigation of Second Harmonic Generation by Creep Induced Micro-voids. R. S. Mini, P. Ravindran, C. V. Krishnamurthy & K. Balasubramaniam. Experimental Mechanics. 60. 2020.
✔ Tailoring Antenna Focal Plane Characteristics for a Compact Free-Space Microwave Complex Dielectric Permittivity Measurement Setup. Jayaram Kizhekke Pakkathillam, Balamurugan T. Sivaprakasam, Jayaprakash Poojali, C. V. Krishnamurthy, Kavitha Arunachalam. IEEE Transactions on Instrumentation and Measurement. 70. 2020.
✔ In situ process monitoring of nuclear waste glass melts using non-contact microwave sensor. Balamurugan T.Sivaprakasam, G.Sugilal, J.G.Shah, C.P.Kaushik, C.V.Krishnamurthy, Kavitha Arunachalam. Measurement. 160. 2020.
✔ Role of “soft†wall confinement in the particle dynamics of supercritical fluids. Kanka Ghosh and C.V.Krishnamurthy. Bulletin of American Physical Society. March. 2019.
✔ Non-contact in situ microwave material measurements for high temperature process monitoring. Balamurugan T. Sivaprakasam, C. V. Krishnamurthy, and Kavitha Arunachalam. Review of Scientific Instruments. 90 . 034702 . 2019.
✔ Soft-wall induced structure and dynamics of partially confined supercritical fluids. Kanka Ghosh, C. V. Krishnamurthy. The Journal of Chemical Physics. 150 . 111102 . 2019.
✔ Charge migration model for the impedance response of DI water. CHSRV SatyanarayanaRaju, and Chitti Venkata Krishnamurthy. AIP Advances. 9 . 035141 . 2019.
✔ Multiâ€physics modeling to study the influence of tissue compression and cold stress on enhancing breast tumor detection using microwave radiometry. Rachana S. Akki, Sathya Priya Sugumar, Krishnamurthy C. Venkata, Kavitha Arunachalam. Bioelectromagnetics. 1 . 2019.
✔ Thermomechanical Phenomenon: A Non-destructive Evaluation Perspective. Chandraprakash, C., Krishnamurthy, C.V. & Balasubramaniam, K. Transactions of the Indian Institute of Metals. April . 1-11. 2019.
✔ Effects of polycrystalline birefringent grains on the morphology dependent resonance modes of a spherical resonator. Imon Kalyan and C. V. Krishnamurthy. Journal of Applied Physics. 126 . 053102 . 2019.
✔ Frenkel line crossover of confined supercritical fluids. Kanka Ghosh and C. V. Krishnamurthy. Scientific Reports. 9 . 2019.
✔ Numerical Modelling Methods for Ultrasonic Wave Propagation Through Polycrystalline Materials. S. Shivaprasad, C. V. Krishnamurthy, Abhishek Pandala, Anuraag Saini, Adithya Ramachandran, Krishnan Balasubramaniam. Transactions of the Indian Institute of Metals. 72. 2019.
✔ Wave localized finite-difference-time-domain modelling of scattering of elastic waves within a polycrystalline material. Abhishek Pandala, S. Shivaprasad, C.V. Krishnamurthy, Krishnan Balasubramaniam. The Journal of the Acoustical Society of America. 144 . 3313 . 2018.
✔ Molecular dynamics of partially confined Lennard-Jones gases: Velocity autocorrelation function, mean squared displacement, and collective excitations. Kanka Ghosh and C.V.Krishnamurthy. Physical Review E. 98 . 052115 . 2018.
✔ Robust and efficient finite-difference-time-domain modelling of the propagation of nonlinear elastic waves. Abhishek Pandala, S. Shivaprasad, C.V. Krishnamurthy, Krishnan Balasubramaniam. Nondestructive testing and diagnostics. 2 . 11 . 2018.
✔ Modeling and simulation of ultrasonic beam skewing in polycrystalline materials. S. Shivaprasad, C. V. Krishnamurthy, Krishnan Balasubramaniam. International Journal of Advances in Engineering Sciences and Applied Mathematics. 10 . 70 . 2018.
✔ Design and Demonstration of a RADAR Gauge for In-Situ Level Measurement in Furnace. Balamurugan T. Sivaprakasam ; C. V. Krishnamurthy ; Kavitha Arunachalam. IEEE Sensors. 18 . 4081 . 2018.
✔ Structural behavior of supercritical fluids under confinement. Kanka Ghosh and C. V. Krishnamurthy. Physical Review E. 97 . 012131. 2018.
✔ Miniaturised millimetre wave frequency selective surface for atmospheric remote sensing. J. Poojali ; S. Ray ; B. Pesala ; C.V. Krishnamurthy ; K. Arunachalam. Electronics Letters. 53 . 663 . 2017.
✔ Static dielectric constant assessment from capacitance over a wide range of electrode separations. Gokul Raj R, C.V. Krishnamurthy. Journal of Electrostatics. 87 . 19-25. 2017.
✔ Scaling relations for parallel disc Capacitance with Dielectric media. C.V. Krishnamurthy, Gokul Raj R. arXiV. 2017.
✔ Quantitative simulation of ultrasonic time of flight diffraction technique in 2D geometries using Huygens–Fresnel diffraction model: Theory and experimental comparison. Sanjeevareddy Kolkoori, Krishnamurthy Chitti Venkata, Krishnan Balasubramaniam. Ultrasonics. 55 . 33-41 . 2015.
✔ Thermomechanical response of metals: Maxwell vs. Kelvin–Voigt models,. Chandrprakash Chindam, Krishnan Balasubramaniam, Raghu Prakash, C. V. Krishnamurthy,. Materials Science & Engineering A . 560. 54–61. 2013.
✔ Shape reconstruction of metal pipes with corrosion defects using single frequency limited view scattered data. Gantala, G., C. V. Krishnamurthy, Balasubramaniam, K., Ganesan, N.. NDT and E International v . 52. 129-135. 2012.
✔ Defect detection in pipe using tone-burst eddy current thermography,. Biju, N., Ganesan, N., C. V. Krishnamurthy, Balasubramaniam, K.. Insight. 54. 500. 2012.
✔ Automatic defect identification using thermal image analysis for online weld quality monitoring,. Sreedhar, U. C. V. Krishnamurthy.; Balasubramaniam, K.; Raghupathy, V.D.; Ravisankar, S.. Journal of Materials Processing Technology, . 212. 1557-66. 2012.
✔ Lamb wave based ultrasonic imaging of interface delamination in a composite T-joint,. Ramadas, C., Padiyar, J.; Balasubramaniam, K.; Joshi, M.; C. V. Krishnamurthy.. NDT&E International. 44. 523-30. 2011.
✔ imultaneous Estimation of Electrical and Thermal Properties of Isotropic Material from the Tone-Burst Eddy Current Thermography (TBET) Time-Temperature Data. Biju, N. Ganesan, N.; C. V. Krishnamurthy.; Balasubramaniam, K. IEEE Transactions on Magnetics, . 47. 2213-19. 2011.
✔ Improving the signal amplitude of meandering coil EMATs by using ribbon soft magnetic flux concentrators (MFC). Dhayalan, R., Murthy, V.S.N.; C. V. Krishnamurthy; Balasubramaniam, K.. Ultrasonics,. 51. 675-82. 2011.
✔ Simultaneous measurement of ultrasonic longitudinal wave velocities and thicknesses of a two layered media in the absence of an interface echo. Kannajosyula, Surya Prakash; Chillara, Vamshi Krishna; Balasubramaniam, Krishnan; C. V. Krishnamurthy. Review of Scientific Instruments. 81. 2010.
✔ Hybrid inversion of elastic moduli of composite plates from ultrasonic transmission spectra using PVDF plane wave sensor. Puthillath, P.;C. V. Krishnamurthy; Balasubramaniam, K.. Composites Part B: Engineering. 41. 8-16. 2010.
✔ Application of a Matched Filter Approach for Finite Aperture Transducers for the Synthetic Aperture Imaging of Defects. L. Satyanarayan, Ajith Muralidharan, C. V. Krishnamurthy, and Krishnan Balasubramaniam. IEEE Trans. UFFC. 57. 1368-1382 . 2010.
✔ Blind inversion method using Lamb waves for the complete elastic property characterization of anisotropic plates. Vishnuvardhan, J.;Krishnamurthy, C.V.; Balasubramaniam, Krishnan,. Journal of the Acoustical Society of America. 125. 761-771. 2009.
✔ Inverse method for detection and sizing of cracks in thin sections using a hybrid genetic algorithm based signal parametrisation. Satyanarayan, L.; Bharath Kumaran, K.; C. V. Krishnamurthy; Balasubramaniam, Krishnan. Theoretical and Applied Fracture Mechanics. 49. 185-198. 2008.
✔ Ultrasonic Imaging using a Computed Point Spread Function. Ramsharan R., C. V. Krishnamurthy, and Krishnan Balasubramaniam. IEEE Trans. UFFC. 55. 451-464. 2008.
✔ A Migration based Reconstruction Algorithm for the Imaging of Defects in a Plate using a Compact Array,. A. Muralidharan, Krishnan Balasubramaniam, and C. V. Krishnamurthy. Smart Structures and Systems. 4. 449-464. 2008.
✔ Pulsed Eddy Current Imaging of Corrosion Pits. Kathirvel Thiyagarajan., B. Maxfield, Krishnan Balasubramaniam,and C. V. Krishnamurthy. J. Nondestructive Testing & Evaluation. 7(2). 32-36. 2008.
✔ 2021 : (Jan - May) - PH2070 Introduction to Biological Physics/ PH5120; (Jul - Nov) - PH5060 Physics Lab I (PG)/ PH7080 Foundations in Theoretical Physics Physics Lab II (PG)
✔ 2022 : (Jan-May) - PH5720 I am sharing the course PH5720 Numerical Methods & Programming with Prabhat Pujahari in the current semester Jan-May 2022.
✔ 2022 : (Jan-May) - PH5120 I am coordinating the lab course PH5120 along with Mark in the current semester Jan-May 2022.; (Jul - Nov) - PH2050 Physics Lab III / PH5060 Physics Lab I (PG)
✔ 2023 : (Jan-May) - PH2070 Introduction to Biological Physics / PH5120 Physics Lab II (PG)
