ACADEMIC QUALIFICATIONS

AREA OF INTEREST AND SPECIALIZATION

• Elastodynamics
• Wave Propagation
• Theoretical Seismology
• Mathematical Modeling
• Computational Mechanics
• Micro-Continuum Modeling
• Solid and Structural Mechanics
• Smart Materials and Structures

 SHORT BIOGRAPHICAL SKETCH

• Assistant Professor, Department of Mathematics, National Institute of Technology Silchar, Assam, India (March 2021-Till date). Nature of Work: Teaching Cum Research

• Dr. D. S. Kothari Postdoctoral Fellow, Department of Aerospace Engineering, Indian Institute of Science, Bengaluru, India (May 2018-March 2021). Nature of Work: Research

• Postdoctoral Research Fellow, Department of Automation, Biomechanics and Mechatronics, Lodz University of Technology, Lodz, Poland (April 2018). Nature of Work: Research

• Research Associate, Department of Applied Mathematics, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, India (August 2017-March 2018). Nature of Work: Teaching Cum Research

• 2017: Ph.D. in Mathematical Modeling of Certain Elastodynamic Problems in Layered Media, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, India

• 2011: Master of Science in Mathematics and Computing, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, India

• 2009: Bachelor of Science in Mathematics (Honours), Ranchi University, Ranchi, Jharkhand, India

• 2006: All India Senior School Certificate Examination (Class XII), CBSE, DAV Kapildev Public School, Ranchi, Jharkhand, India

• 2004: All India Secondary School Examination (Class X), CBSE, M B DAV Public School, Lohardaga, Jharkhand, India

SUBJECTS TAUGHT

• MA-101: Mathematics-I
• MA-102: Mathematics-II
• MA-201: Mathematics-III
• Classical Mechanics
• Computer Programming
• Object Oriented Programming
• Discrete Mathematical Structure
  

ADMINISTRATIVE RESPONSIBILITY

• Member of Anti-Ragging Squad, NIT Silchar (March 2022-Till date).
• Member of Examination Cell, NIT Silchar (November, 2023-Till date).
• Assistant Warden, Aryabhatta Hostel (PG Hostel), NIT Silchar (April, 2024-Till date).
• Associate Warden, Genesis (Boys Hostel-1), NIT Silchar (January, 2023-March, 2024).  
• External Examiner for PG (Mathematics) Examination, Assam University Silchar (November, 2023). 
• Member Secretary of Departmental Ph.D. Monitoring Committee (DPMC), Department of Mathematics, NIT Silchar (March, 2024-Till date).  
• External Member of Departmental Undergraduate Program Committee (DUPC), Department of Physics, NIT Silchar (March, 2024-Till date).  

AWARDS AND ACHIEVEMENTS

• Awarded Dr. D. S. Kothari Postdoctoral Fellowship of the UGC (May 2018-March 2021).
• Awarded TUL Postdoctoral Research Fellowship (April 2018).
• Awarded Marie Skłodowska-Curie Actions Seal of Excellence by the European Commission (March 2018).
• Awarded CSIR Research Associateship (August 2017-March 2018).
• Awarded IIT (ISM) Senior Research Fellowship in PhD (July 2015-July 2017).
• Awarded IIT (ISM) Junior Research Fellowship in PhD (July 2013-June 2015).
• Awarded International Travel Support under the ITS (Young Scientist) scheme by the Science and Engineering Research Board, Department of Science & Technology, Government of India for participating in 40th Solid Mechanics Conference held during Aug 29-Sept 2, 2016 at Warsaw, Poland.
• Awarded IMS Prize for the year 2014 by the Indian Mathematical Society for presenting the best research paper at the 80th Annual Conference of the Indian Mathematical Society.
• Awarded Merit Cum Means Scholarship in MSc (July 2009-June 2011).

  Membership in Professional Societies

• Life member of the Indian Mathematical Society (IMS), Pune, India since 2014 (Membership No.: L/2014/112).

• Life member of the Indian Science Congress Association (ISCA), Kolkata, India since 2015 (Membership No.: L27115).

• Life member of the Society of Applied Mathematics (SAM), Indian Institute of Technology (Indian School of Mines), Dhanbad, India since 2015 (Membership No.: LM/2014-2015/64).

• Life member of the Indian Society of Theoretical and Applied Mechanics (ISTAM), Kharagpur, India since 2016 (Membership No.: L/1059).

• Life member of the International Association of Engineers (IAENG), Hong Kong since 2016 (Membership No.: 164267).

• Outreach member of the Society for Industrial and Applied Mathematics (SIAM), Philadelphia, USA since 2018 (Membership No.: 020832766).

• Member of the European Mechanics Society (EUROMECH) since 2020 (Membership No.: 205677).

• Life member of the Institute of Smart Structures and Systems (ISSS) since 2021 (Membership No.: LM773).

• Affiliate Member of the American Mathematical Society (AMS) since 2024 (Membership No. KMSNXBZ).

• Student member of the Society for Industrial and Applied Mathematics (SIAM), Philadelphia, USA from January, 2016 to December, 2017 (Membership No.: 020832766).

  Reviewer of International Journals of Repute

• Meccanica (Springer), Italy.
• Physica Scripta (IOP Publishing), UK.
• Ecological Modelling (Elsevier), Netherlands.
• Results in Engineering (Elsevier), Netherlands.
• Mechanics of Materials (Elsevier), Netherlands.
• Discover Applied Sciences (Springer), Switzerland.
• Mathematics and Mechanics of Solids (Sage), USA.
• Engineering Fracture Mechanics (Elsevier), England.
• Smart Materials and Structures (IOP Publishing), UK.
• Materials Research Express (IOP Publishing), England.
• Discover Mechanical Engineering (Springer), Switzerland.
• Journal of Physics Communications (IOP Publishing), USA.
• Journal of Engineering Mathematics (Springer), Netherlands.
• International Journal of Geomathematics (Springer), Germany.
• Waves in Random and Complex Media, (Taylor & Francis), UK.
• Sensors (Multidisciplinary Digital Publishing Institute), Switzerland.
• European Journal of Mechanics-A/Solids (Elsevier), Netherlands. 
• Buildings (Multidisciplinary Digital Publishing Institute), Switzerland. 
• Journal of Intelligent Material Systems and Structures (Sage), England.
• Applied Sciences (Multidisciplinary Digital Publishing Institute), Switzerland.
• Journal of Engineering Mechanics (American Society of Civil Engineers), USA.
• Mechanics of Advanced Materials and Structures (Taylor & Francis), England.
• International Journal of Geomechanics (American Society of Civil Engineers), USA.
• International Journal for Numerical and Analytical Methods in Geomechanics (Wiley), England.
• Journal of Marine Science and Engineering (Multidisciplinary Digital Publishing Institute), Switzerland.
• Iranian Journal of Science and Technology, Transactions of Mechanical Engineering (Springer), Switzerland. 

 INTERNATIONAL JOURNALS

• Hasanuzzaman, M., Kumar, S., & Kumari, R. (2025). Scattering of Anti-plane Surface Wave due to Irregularity in Hyperelastic Imperfectly Bonded Bi-material Structure. International Journal of Non-Linear Mechanics (Elsevier), Accepted.
• Hasanuzzaman, M., Kumar, S., & Kumari, R. (2025). Dynamics of Irregular Hyperelastic Substrate under the Impact of Moving Load. Applied Mathematical Modelling (Elsevier), doi: 10.1016/j.apm.2024.115667. 
• Kumar, S., Hasanuzzaman, M., & Kumari, R. (2024). Modelling and Analysis of Imperfect and Sliding Interfaces on Love-type Wave in Non-planar Non-homogeneous Nearly Incompressible Elastic Layered Structure. Acta Mechanica (Springer), doi: 10.1007/s00707-024-04040-8.
• Hasanuzzaman, M., Kumar, S., & Kumari, R. (2024). Rayleigh-type Wave in Non-planar Pre-stressed Nearly Incompressible Elastic Structure. Mechanics of Advanced Materials and Structures (Taylor & Francis), doi: 10.1080/15376494.2024.2391024. 
• Kumar, S., Yadav, R. P., & Renu (2024). Moving crack caused by SH-wave propagating in a composite strip under distinct loading constraints. Archive of Applied Mechanics (Springer), doi: 10.1007/s00419-024-02649-8.     
• Kumar, S., Hasanuzzaman, M., & Kumari, R. (2024). Transverse Surface Wave in Non-planar Layered Nearly Incompressible Elastic Structure Having Imperfect Contact. European Journal of Mechanics-A/Solids (Elsevier), 106, 105324, doi: 10.1016/j.euromechsol.2024.105324.       
• Kumari, R., Singh, A. K., Kumar, S., & Guha, S. (2024). Transmission of Lamb wave in a micro-mechanically piezoelectric fiber-reinforced composite plate. Wave Motion (Elsevier), 128, 103307, doi: 10.1016/j.wavemoti.2024.103307.     
• Yadav, R. P., Renu, & Kumar, S. (2024). Analytical modelling and simulations of dynamic mode-III fracture in pre-stressed dry sandy elastic continuum. Mechanics Based Design of Structures and Machines (Taylor & Francis), doi: 10.1080/15397734.2024.2354931. 
• Kumar, S., Kumari, R., & Singh, A. K. (2023). Love wave on a flexoelectric piezoelectric-viscoelastic stratified structure with dielectrically conducting imperfect interface. The Journal of the Acoustical Society of America (AIP), 154(6), 3615-3626, doi: 10.1121/10.0022572.
• Kumar, S., Shivashankar, P., & Gopalakrishnan, S. (2020). A half a decade timeline of shape memory alloys in modeling and applications. ISSS Journal of Micro and Smart Systems (Springer), 9(1), 1-32, doi: 10.1007/s41683-020-00050-5.
• Singh, A. K., Kumar, S., & Kumari, R. (2018). Impact of interfacial imperfection on transverse wave in a functionally graded piezoelectric material structure with corrugated boundaries. The European Physical Journal Plus (Springer), 133(3), 120-134, doi: 10.1140/epjp/i2018-11935-x.
• Singh, A. K., Parween, Z., Kumar, S., & Chattopadhyay, A. (2018). Propagation characteristics of transverse surface wave in a heterogeneous layer cladded with a piezoelectric stratum and an isotropic substrate. Journal of Intelligent Material Systems and Structures (Sage), 29(4), 636-652, doi: 10.1177/1045389X17721025.
• Singh, A. K., Yadav, R. P., Kumar, S., & Chattopadhyay, A. (2017). Shear wave in a pre-stressed poroelastic medium diffracted by a rigid strip. Journal of Sound and Vibration (Elsevier), 407, 16-31, doi: 10.1016/j.jsv.2017.06.031.
• Singh, A. K., Negi, A., Verma, A. K., & Kumar, S. (2017). Analysis of stresses induced due to a moving load on irregular initially stressed heterogeneous viscoelastic rock medium. Journal of Engineering Mechanics (ASCE), 143(9), 04017096, doi: 10.1061/(ASCE)EM.1943-7889.0001307.
• Singh, A. K., Kumar, S., Dharmender, & Mahto, S. (2017). Influence of rectangular and parabolic irregularities on the propagation behavior of transverse wave in a piezoelectric layer: A comparative approach. Multidiscipline Modeling in Materials and Structures (Emerald), 13(2), 188-216, doi: 10.1108/MMMS-08-2016-0039.
• Kumari, N., Chattopadhyay, A., Kumar, S., & Singh, A. K. (2017). Propagation of SH-waves in two anisotropic layers bonded to an isotropic half-space under gravity. Waves in Random and Complex Media (Taylor & Francis), 27(2), 195-212, doi: 10.1080/17455030.2016.1212176.
• Singh, A. K., Parween, Z., & Kumar, S. (2016). Love-type wave propagation in a corrugated piezoelectric structure. Journal of Intelligent Material Systems and Structures (Sage), 27(19), 2616-2632, doi: 10.1177/1045389X16635843.
• Singh, A. K., Yadav, R. P., Kumar, S., & Chattopadhyay, A. (2016). Propagation of crack in a pre-stressed inhomogeneous poroelastic medium influenced by shear wave. Engineering Fracture Mechanics (Elsevier), 154, 191-206, doi: 10.1016/j.engfracmech.2015.12.024.
• Singh, A. K., Kumar, S., & Chattopadhyay, A. (2016). Propagation of torsional waves in a fiber composite layer lying over an initially stressed viscoelastic half-space. International Journal of Geomechanics (ASCE), 16(1), 04015014, doi: 10.1061/(ASCE)GM.1943-5622.0000469.
• Singh, A. K., Kumar, S., & Chattopadhyay, A. (2016). Effect of smooth moving punch in an initially stressed monoclinic magnetoelastic crystalline medium due to shear wave propagation. Journal of Vibration and Control (Sage), 22(11), 2719-2730, doi: 10.1177/1077546314549588.
• Singh, A. K., Das, A., Kumar, S., & Chattopadhyay, A. (2015). Influence of corrugated boundary surfaces, reinforcement, hydrostatic stress, heterogeneity and anisotropy on Love-type wave propagation. Meccanica (Springer), 50(12), 2977-2994, doi: 10.1007/s11012-015-0172-6.
• Singh, A. K., Kumar, S., & Chattopadhyay, A. (2015). Love-type wave propagation in a piezoelectric structure with irregularity. International Journal of Engineering Science (Elsevier), 89, 35-60, doi: 10.1016/j.ijengsci.2014.11.008.
• Singh, A. K., Kumar, S., & Chattopadhyay, A. (2014). Effect of irregularity and heterogeneity on the stresses produced due to a normal moving load on a rough monoclinic half-space. Meccanica (Springer), 49(12), 2861-2878, doi:10.1007/s11012-014-0033-8. 

 INTERNATIONAL CONFERENCES 

• Shivashankar, P., Kumar, S., & Gopalakrishnan, S. (2020). Design, development and effectiveness of d31-mode and d33-mode multilayered surface bondable piezoelectric actuators, for actuation of large and stiff structures. The American Institute of Aeronautics and Astronautics (AIAA) SciTech 2020 Forum, doi: 10.2514/6.2020-1767.