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Prof. Sumit Kumar Vishwakarma

hyderabad Mathematics

Associate Professor,
Department of Mathematics

Elastodynamics, Seismic Wave propagation, Solid mechanics, Theoretical Seismology
Birla Institute of Technology & Science, Pilani
Hyderabad Campus
Jawahar Nagar, Kapra Mandal
Dist.-Medchal-500 078
Telangana, India
sumitkumar@hyderabad.bits-pilani.ac.in
+91 40 66303649

ElastoTheory Lab

Research Group Members:

Principal Investigator (PI)

Prof. Sumit Kumar Vishwakarma

M.Sc., Ph.D. (Indian Institute of Technology (ISM), Dhanbad)

Alumni (Graduated Ph.D. Students)

Picture1
Name: Sunita Kumawat 
Duration : 08.03.2021 - 22.03.2025
M.Sc. in Mathematics : 2018, Devi Ahilya Vishwavidyalaya, Indore. (Qualified CSIR-NET in 2020)
Research Topic : Mathematical Modelling of Seismic Wave Propagation in Composite Layered Structures.
Email: p20200458@hyderabad.bits-pilani.ac.in
Publications:

12.Tapan Ranjan Panigrahi, Sunita Kumawat, Sumit Kumar Vishwakarma, A case wise study of corrugated boundaries in a tri-layered structure and its influence on LT-waves, International Journal of Geomechanics (Accepted), ASCE, 2024. (IF: 3.5)

11. Sunita Kumawat, Sumit Kumar Vishwakarma, Reflection-transmission coefficient of SH waves in a layered interface with spring sandwiched between thin membranes: An application of strain gradient theory, Mechanics of Advanced Materials and Structures, 1-11, 230 (2025) (IF: 3.6).

10. Vipin Gupta, Sunita Kumawat, Sumit Kumar Vishwakarma, Soumik Das, Effect of Layer Imperfections and Material Gradation on Circumferencial Shear Horizontal Waves in Piezoelectric Cylindrical Composites,  Composite Structures, 359, 118997 (2025) (IF: 6.3).

9. Sunita Kumawat, Sumit Kumar Vishwakarma, Reflection-Transmission Coefficients of SH Waves Across Thin-Walled Spring-Membrane Strain Gradient Interface, Communicated in European Journal of Mechanics - A/Solids, 111, 105531 (2025) (IF: 4.4)

8.  Sunita Kumawat, TB Kalyan, Sumit Vishwakarma, Raghu Piska, Non-local Vibrational Characterization of Pre-stressed Viscoelastic Timoshenko Nanobeams Coupled with Surface Stress and Magnetic Field Effects, European Journal of Mechanics - A/Solids, 108, 105423  (2024)(IF: 4.4)

7.  Sunita Kumawat, Ajay Malkoti, Sumit Kumar Vishwakarma, A Cell-Centered Implicit Finite Difference Scheme to Study Wave Propagation in Acoustic Media: A Numerical Modelling, Journal of Sound and Vibration, 590 (10), 118601 (2024) (IF: 4.3)

6.  Sunita Kumawat, Sumit Kumar Vishwakarma, Terumi Touhei, Dispersive Constraints of Anti-plane Shear waves in a strain-gradient LoH model under inflexible boundary plane and initial pressure, International Journal of Geomechanics, 25(3), 04024360 (2024) (IF: 3.5)

5. Sunita Kumawat, Sumit Kumar Vishwakarma, Elastodynamic response of torsional waves in Sinusoidal-Canonical-Notch (SCN), Journal of Vibration Engineering & Technologies, 122(2), 1423-1434 (2024) (IF: 2.2)

4.  Sunita Kumawat, Sumit Kumar Vishwakarma, Saad Althobaiti, A comparative study of reflection and refraction of SH waves across a tri-layered thin-walled micro-structure, Thin-Walled Structures, 192, 111166 (2023) (IF: 6.4)

3.  Sunita Kumawat, Sumit Kumar Vishwakarma, Circumferential SH wave in piezo-reinforced composite structure with imperfect interface bonding, Applied Mathematical Modelling, 123, 311-331 (2023) (IF: 5.00). 

2. Sunita Kumawat, Subhrat Praharaj, Sumit Kumar Vishwakarma, Dispersion of torsional surface waves in a threefold concentric compounded cylinder with imperfect interface, Waves in Random and Complex Media, Taylor and Francis, 2022, https://doi.org/10.1080/17455030.2022.2121012(Impact factor: 4.051)

1. Sunita Kumawat, Sumit Kumar Vishwakarma, Comparison of Torsional wave dispersion in Monoclinic, Orthotropic, and Transtropic infinite cylinder, Physica Scripta, IOP, 2022 (Impact factor: 3.081)

 

 

IMG-20240411-WA0004
Dr. Tapas Panigrahi 
Duration : 16.10.2017 to 22.10.2022 (Date of Ph.D. viva voce examination)
Research Topic : Study of Phase Velocity of Seismic Waves in Anisotropic Layered Geologies.
Email: p20170412@hyderabad.bits-pilani.ac.in  
Current Status: Assistant Professor at GIET University, Odisha.
Publications: 
  1. Sumit Kumar Vishwakarma, Tapas Ranjan Panigrahi, Velocity-profile of torsional surface waves in a contorted watery-porous reservoir over a sand-dune deposit, Applied Mathematical Modelling, Elsevier, 101, 195-213, 2022, Impact factor: 5.336
  2. Sumit Kumar Vishwakarma, Tapas Ranjan Panigrahi, An analytic model of Rayleigh waves transference in a fluid containing inhomogeneity as a circular function of depth, Journal of earth system science, Springer,130, 216 (2021) Impact factor: 1.912
  3. Tapas Ranjan Panigrahi, Sumit Kumar Vishwakarma, Dinesh Kumar Majhi, Modelling of torsional wave propagation in a two-layer anisotropic inhomogeneous media, Journal of Physics: Conference Series, 1849 (2021) 012013, IOP Journal.
  4. Sumit Kumar Vishwakarma, Tapas Ranjan Panigrahi, Dispersive characterization of Rayleigh surface waves in a liquid medium with inhomoegeneity coefficients, Waves in Random and Complex Media, Taylor and Francis, (https://doi.org/10.1080/17455030.2021.1887547) (Impact factor: 4.051) (2021).
  5. Sumit Kumar Vishwakarma, Tapas Ranjan Panigrahi, Dynamics of SV-wave, SH-wave, and P-wave in a cross-anisotropic medium exhibiting exponential heterogeneity, Arabian Journal of Geosciences, Springer, 14, 337 (Impact factor: 1.827)(2021).
  6. Tapas Ranjan Panigrahi, Sumit Kumar Vishwakarma, Rupinderjit Kaur, Phase velocity of Love-type waves in a periodic irregular anisotropic-layered substratum, Lecture Notes in Civil Engineering(Conference Proceeding), Springer, (Print ISBN: 978-981-15-9975-0) (2020).
  7. Sumit Kumar Vishwakarma,Rupinderjit Kaur, Tapas Ranjan Panigrahi, Love Wave Dispersion in an Inhomogeneous Earth’s Crust Lying Over a Pre-stressed Inhomogeneous Mantle, Lecture Notes in Civil Engineering (Conference Proceeding), Springer, (Print ISBN: 978-981-15-9975-0) (2020)
  8. Sumit Kumar Vishwakarma, Tapas Ranjan Panigrahi, Rupinderjit Kaur,  Dynamics of Love-type waves in an imperfect anisotropic layered Geology, Mechanics of Solid, Springer, 18, 27-42, 2020, (IF: 0.436).

  9. Sumit Kumar Vishwakarma, Tapas Ranjan Panigrahi, Rupinderjit Kaur, SH-wave propagation in linearly varying fiber-reinforced viscoelastic composite structure uninitial stress, Arabian Journal of Geosciences, Springer, 12(2019), 12:59 (DOI:10.1007/s12517-018-4211-1) Impact factor: 1.827

  10. Sumit Kumar Vishwakarma,Rupinderjit Kaur, Tapas Ranjan Panigrahi, Love wave frequency in an orthotropic crust over a double-layered anisotropic mantle, Soil Dynamics and Earthquake Engineering, Elsevier, 110, 86-92 (2018) Impact factor: 2.578

  11. Sumit Kumar Vishwakarma, Tapas Ranjan Panigrahi, On Love wave frequency under the influence of linearly varying shear moduli, initial stress, and density of orthotropic half-space. Mathematics and Computing (conference proceeding), Springer, 253, 209-223 (2018)

Nov- Dec 2023.pdf – Adobe Reader 13-04-2024 004259
Dr.  Rupinderjit Kaur
Duration : 10.08.2016 to 12.12.2020 (Date of Ph.D. viva voce examination)
Research Topic : Study of Seismic Waves in Anisotropic Layered Medium Containing Inhomogeneity”
Email: p20160117@hyderabad.bits-pilani.ac.in  
Current Status: Data Analyst, Numpy Ninja Inc., Toronto, Canada.
Publications: 
  1. Sumit Kumar Vishwakarma,Rupinderjit Kaur, Tapas Ranjan Panigrahi, Love wave frequency in an orthotropic crust over a double-layered anisotropic mantle, Soil Dynamics and Earthquake Engineering, Elsevier, 110, 86-92 (2018) Impact factor: 2.578
  2. Sumit Kumar Vishwakarma, Rupinderjit Kaur, Tapas Ranjan Panigrahi, Torsional wave frequency in heterogeneous earth crust lying over dry sandy semi-infinite substratum, Applied Mathematics and Mechanics, Springer, 40(10), 1399-1412 (2019) (Impact factor: 1.699)
  3. Rupinderjit Kaur, Sumit Kumar Vishwakarma, Tapas Ranjan Panigrahi, Influence of irregular geologies and inhomogeneity on SH-wave propagation, Acta Mechanica, Springer, 231, 1821-1836 (2020) (Impact factor: 2.698)
  4. Sumit Kumar Vishwakarma, Rupinderjit Kaur, Case-wise investigation of body-wave propagation in a cross-anisotropic soil with multiple inhomogeneity coefficients, Applied Mathematical Modelling, Elsevier, 90, 1170-1182 (2020) (Impact factor: 5.336)
  5. Sumit Kumar Vishwakarma, Tapas Ranjan Panigrahi, Rupinderjit Kaur, SH-wave propagation in linearly varying fiber-reinforced viscoelastic composite structure uninitial stress, Arabian Journal of Geosciences, Springer, 12(2019), 12:59 (DOI:10.1007/s12517-018-4211-1) Impact factor: 1.827

  6. Tapas Ranjan Panigrahi, Sumit Kumar Vishwakarma, Rupinderjit Kaur, Phase velocity of Love-type waves in a periodic irregular anisotropic-layered substratum, Lecture Notes in Civil Engineering (Conference Proceeding), Springer, (Print ISBN: 978-981-15-9975-0) (2020).

  7. Sumit Kumar Vishwakarma, Tapas Ranjan Panigrahi, Rupinderjit Kaur,  Dynamics of Love-type waves in an imperfect anisotropic layered Geology, Mechanics of Solid, Springer, (Impact factor: 0.436) (Accepted for Publication) (2020)

  8. Sumit Kumar Vishwakarma,Rupinderjit Kaur, Tapas Ranjan Panigrahi, Love Wave Dispersion in an Inhomogeneous Earth’s Crust Lying Over a Pre-stressed Inhomogeneous Mantle, Lecture Notes in Civil Engineering (Conference Proceeding), Springer, (Print ISBN: 978-981-15-9975-0) (2020)

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