Dr. Raju Kumhar

Assistant Professor
Department of Mathematics,
Central University of Jharkhand, Ranchi

Address:
Room No- 33, New Academic Building, Central University of Jharkhand Cheri-Manatu, 835222, Ranchi, Jharkhand

Contact : +91- 8340505293, 8969191835
E-mail : raju.kumhar@cuj.ac.in ; raju.ism92@gmail.com

1. Ph.D. Indian Institute of Technology (ISM) Dhanbad

2. M.Sc. Indian Institute of Technology (ISM) Dhanbad

1. Qualified CSIR-JRF 2017 securing All India Rank 163 organized by Joint CSIR-UGC NET.
2. Qualified GATE-2017 securing All Indian Rank 711 organized by IIT Roorkee
3. Qualified IIT (ISM) JRF 2015-2016 (Phase 2) securing All India Rank 2 organized by IIT (ISM) Dhanbad.
4. Received Merit cum Means (MCM) Scholarship during M.Sc. from IIT(ISM), Dhanbad, given by Govt. of India.
5. Received Scholarship during B.Sc. from VBU Hazaribagh, given by Govt. of Jharkhand.

Dr. Raju Kumhar obtained his doctorate degree form Department of Mathematics and Computing, IIT(ISM) Dhanbad, in the year 2021. The area of his doctoral research was on Mathematical Modeling of Geomechanics including asymptotic analysis, modeling of physical systems, wave propagation, computational mechanics and Earthquake Seismology. He is working on the development, numerical and analytical study for solving large-scale scientific and engineering problems on advanced methods.

1. Served as Reviewer in European Journal of Mechanics / A Solids (Elsevier).
2. Served as Reviewer in The Journal of the Acoustical Society of America (Acoustical Society of America).
3. Served as Reviewer in International Journal of geomechanics (ASCE Library).
4. Served as Reviewer in Waves in Random and Complex Media (Taylor and Francis Ltd.)

Articles Published / Accepted

Research publications

Articles in Journals (Published/ Accepted)

1. Bhengra, N., Kumhar, Raju, Gupta, S., & Kundu, S. (2023). Vibrations analysis of propagation of SH-type wave influenced by a point source in a porous piezoelectric layered structure by Green’s function approach. Journal of Earth System Science, 132(3), 135.
2. Kumar, D., Kumhar, Raju, Kundu, S., & Gupta, S. (2023). Analysis the dispersive nature of Love wave in fibre‐reinforced composite materials plate: A Green's function approach. Mathematical Methods in the Applied Sciences, 46(4), 3445-3462.
3. Rajak, B. P., Kundu, S., Kumhar, Raju, & Gupta, S. (2022). Study of the SH-wave propagation in an MEFR layer bounded by heterogeneous viscoelastic layer and elastic half-space. Engineering Computations, 39(7), 2820-2844.
4. Singhal, A., Tiwari, R., Baroi, J., & Kumhar, Raju (2022). Perusal of flexoelectric effect with deformed interface in distinct (PZT-7A, PZT-5A, PZT-6B, PZT-4, PZT-2) piezoelectric materials. Waves in Random and Complex Media, 1-18.
5. Maity, M., Kundu, S., Kumhar, Raju, & Gupta, S. (2022). An electromechanical based model for Love-type waves in anisotropic-porous-piezoelectric composite structure with interfacial imperfections. Applied Mathematics and Computation, 418, 126783.
6. Kumhar, Raju, Kundu, S., Maity, M., & Gupta, S. (2020). Analysis of interfacial imperfections and electro-mechanical properties on elastic waves in porous piezo-composite bars. International Journal of Mechanical Sciences, 187, 105926.
7. Maity, M., Kundu, S., Kumhar, Raju, & Gupta, S. (2020). Influence of mechanical imperfection on the transference of Love-type waves in viscoelastic substrate overloaded by visco-micropolar composite structure. Engineering Computations, 37(9), 3407-3429.
8. Kumar, D., Kundu, S., Kumhar, Raju, & Gupta, S. (2020). Vibrational analysis of Love waves in a viscoelastic composite multilayered structure. Acta Mechanica, 231, 4199-4215.
9. Kumhar, Raju, Kundu, S., Pandit, D. K., & Gupta, S. (2020). Green’s function and surface waves in a viscoelastic orthotropic FGM enforced by an impulsive point source. Applied Mathematics and Computation, 382, 125325.
10. Kumhar, Raju, Kundu, S., & Gupta, S. (2020). Modelling of Love waves in fluid saturated porous viscoelastic medium resting over an exponentially graded inhomogeneous half-space influenced by gravity. Journal of Applied and Computational Mechanics, 6(3), 517-530.
11. Kundu, S., Kumhar, Raju, Maity, M., & Gupta, S. (2020). Influence of point source on love-type waves in anisotropic layer overlying viscoelastic FGM half-space: Green’s function approach. International Journal of Geomechanics, 20(1), 04019141.
12. Kumhar, Raju, Kundu, S., Maity, M., & Gupta, S. (2019). Study of Love-type wave vibrations in double sandy layers on half-space of viscoelastic: An analytical approach. Multidiscipline Modeling in Materials and Structures, 16(4), 731-748.
13. Kumhar, Raju, Kundu, S., Maity, M., & Gupta, S. (2019). Mechanical waves study in tri-materials bars having sinusoidally interfaces (i.e. Fiber-reinforced, Poroelastic and Isotropic). Materials Research Express, 6(12), 125335.
14. Kumhar, Raju, Kundu, S., & Kumari, C. (2019, January). Propagation of torsional wave at a corrugated interface between viscoelastic sandy medium and inhomogeneous half-space. AIP Conference Proceedings (Vol. 2061, No. 1).
15. Kumari, C., Kundu, S., & Kumhar, Raju (2019, January). Dispersion characteristics of SH wave propagation in a viscous fiber-reinforced stratified media. AIP Conference Proceedings (Vol. 2061, No. 1).

Book Chapters (Published/ Accepted)

1. Kumhar, Raju, & Kundu, S. (2020). Effect of the Heterogeneity, Initial Stress and Viscosity on the Propagation Characteristics of Shear Wave.  Mathematical Modelling and Scientific Computing with Applications: ICMMSC 2018, Indore, India, July 19–21 (pp. 137-148). Springer Singapore.

Papers Presented in Conferences

1. Presented a paper in the “13th International Conference on Vibration Problems (ICOVP-2017)” organized jointly by IIT Guwahati, India and ISIK University, Istanbul Turkey. (29 Nov-02 Dec 2017)
2. Presented paper in the “International Conference on Mathematical Modelling and Scientific Computing (ICMMSC-2018)” organized by Department of Mathematics, IIT Indore, India. (19-21 July 2018)
3. Presented paper in the “3rd International Conference on Recent Advances in Mathematical Sciences and its Applications (RAMSA-2019)” organized by Department of Mathematics, JIIT Noida, India. (17-19 Jan 2019)
4. Presented paper in the “National Conference on Modeling, Analysis & Simulation (MAS-2019)” organized by Department of Mathematics and Computing, IIT(ISM) Dhanbad, India. (16-18 Dec 2019)

Workshop/Seminar Attended

1. Participated in the National Workshop on Computational Mathematics (NWCM-2017) Phase-I organized by Department of Mathematics, Anna University, Chennai, Tamil Nadu, India. (02-15 March 2017)
2. Participated in the National Training Programme in Scienti1c Computing with Mathematica organized by Faculty Development Centre, IIT(ISM), Dhanbad, Jharkhand, India. (04-09 Dec 2017)
3. Participated in the TEQIP-III Short Term Course on Mathematical Tools for Boundary Value Problems and Applications organized by Department of Mathematics, IIT Kharagpur, India. (08-13 March 2020)

Membership of Professional Societies

1. Life member of “Society of Applied Mathematics (SAM)”, IIT(ISM), Dhanbad (Membership No: LM/2016-2017/105)
2. Life member of “Indian Mathematical Society (IMS)” Pune, India (Membership No: L/2018/19).
3. Life member of “Indian society of theoretical and applied mechanics (ISTAM)”, IIT Kharagpur, West Bengal (Membership No: L/2007).
4. Life member of “Indian Science Congress Association (ISCA)”, Kolkata, India (Membership No: L40694).
5. Life member of “International Association of Engineers (IAENG)”, Hong Kong (Membership No: 277361).

 05th March, 2024