Academic Background

• Ph.D (2009)- Mechanical Engineering, Indian Institute of Technology Kharagpur
• M. Tech (2004) - Mechanical Engineering, Indian Institute of Technology Kharagpur
• BE (1996)- Mechanical Engineering, REC Durgapur/ NIT Durgapur

Position Held

• Dec 2015- Till now: Associate Professor, IIT Patna
• Dec 2008- Nov 2015: Assistant Professor, IIT Patna

Research Areas

Continuum Mechanics, Soft Tissue Mechanics, Bio-Mechanics, Nonlinear Solid Mechanics, Vibrations, Nonlinear Dynamics, Constitutive Modeling.

Number of Ph.D. Students

Graduated:

1. Dr. Firozut Tauheed, Thesis-Title: MODELING OF INELASTIC EFFECTS IN HYPERELASTIC MATERIAL: APPLICATIONS TO A FEW DEFORMATION FAMILIES
2. Dr. Alok Kumar Verma, Thesis-Title: AN INTELLIGENT TECHNIQUE FOR CONDITION MONITORING AND FAULT DIAGNOSIS OF INDUCTION MOTOR USING MULTI-SCALE ENTROPY

Graduating:

1. Kriti Arya, Proposed Thesis-Title: EFFECT OF DAMAGE ON THE DYNAMICS OF AN INCOMPRESSIBLE ISOTROPIC CYLINDRICAL TUBE
2. Deepak Kumar, Proposed Thesis-Title: MATHEMATICAL MODELING OF SMART MATERIALS: A CONTINUUM MECHANICS APPROACH
3. Chandan Kumar
4. Md Moonim Lateefi

Teaching

B. Tech Courses (Mechanical Engineering):

• Engineering Mechanics ME 101
• Solid Mechanics ME 201
• Mechanical Measurements ME 302
• Dynamics of Machinery ME 308
• Electronic Instrumentation EE 370
• Applied Analytical Methods in Engineering

M. Tech/ PhD. Courses (Mechanical Engineering/Mechatronics Engineering):

• Bio-mechanics and Bio-mechatronics ME 581
• Introduction to Bio-mechanics ME 481
• Modeling and Simulation of Mechatronic Systems SE504
• Applied Analytical Methods in Engineering ME 768
• Nonlinear Elasticity and Fracture Mechanics ME 721

Research Publications

SCI Indexed Journals (Science Citation Index-Web of Science by Thomson-Reuters):

1. Somnath Sarangi, R. Bhattacharyya, M. F. Beatty: Effect of Stress-softening on the Dynamics of a Load Supported by a Rubber String, Journal of Elasticity; Springer; DOI: 10.1007/s10659-007-9154-9
2. M. F. Beatty, R. Bhattacharyya, Somnath Sarangi: Small amplitude, free longitudinal vibrations of a load on a finitely deformed stress-softening spring with limiting extensibility; Journal of Applied Mathematics and Physics; Springer; DOI: https://doi.org/10.1007/s00033-008-8127-6
3. R. Bhattacharyya, Somnath Sarangi, M. F. Beatty: Effect of stress-softening on the ballooning motion of hyperelastic strings, International Journal of Engineering Science; Elsevier; DOI: https://doi.org/10.1016/j.ijengsci.2015.07.007
4. Deepak Kumar, Somnath Sarangi: Electro-magnetostriction under large deformation : Modeling with experimental validation, Mechanics of Materials; Elsevier; DOI: 10.1016/j.mechmat.2018.10.001
5. Deepak Kumar, Somnath Sarangi: Instability analysis of an electro-magneto-elastic actuator : A continuum mechanics approach, AIP Advances; AIP (American Institute of Physics) ISSN: 2158-3226; DOI: 10.1063/1.5055793
6. Deepak Kumar, Somnath Sarangi: Electro-mechanical instability modeling in elastomeric actuators: A second law of thermodynamics-based approach, Soft Materials; Taylor & Francis ISSN: ‎1539-4468; DOI: 10.1080/1539445X.2019.1601109
7. Deepak Kumar, Somnath Sarangi: Dynamic modeling of a dielectric elastomeric spherical actuator: An energy-based approach, Soft Materials; Taylor & Francis ISSN: ‎1539-4468; DOI: 10.1080/1539445X.2019.1616557
8. Deepak Kumar, Somnath Sarangi: Pre-stretch and frequency variation effect on the dielectric permittivity of a dielectric elastomer: An amended permittivity model, Sādhanā | Indian Academy of Sciences; (Accepted); Springer ISSN: 0973-7677
9. Kriti Arya, Somnath Sarangi: The effect of damage on small-amplitude radial oscillations of an incompressible isotropic tube under pressure, European Journal of Mechanics - A/Solids; Elsevier; DOI: https://doi.org/10.1016/j.euromechsol.2017.11.002
10. Kriti Arya, Somnath Sarangi: Effect of damage on the free radial oscillations of an incompressible isotropic tube, Mathematics and Mechanics of Solids; Sage; DOI: https://doi.org/10.1177/1081286517712076
11. Chandan Kumar, Somnath Sarangi: Dynamic Response of an Unbalanced Rigid Rotor Bearing System With a Nonlinear Hydrodynamic Force, Journal of Computational and Nonlinear Dynamics; ASME (American Sciety of Mechanical Engineers); DOI: 10.1115/1.4037995
12. Firozut Tauheed, Somnath Sarangi: Damage-induced stress-softening and viscoelasticity of limited elastic materials, Mechanics of Time-Dependent Materials; Springer; DOI: https://doi.org/10.1007/s11043-014-9239-3
13. Firozut Tauheed, Somnath Sarangi: Mullins effect on incompressible hyperelastic cylindrical tube in finite torsion, International Journal of Mechanics and Materials in Design; Springer; DOI: https://doi.org/10.1007/s10999-012-9203-9
14. Firozut Tauheed, Somnath Sarangi: An invariant based damage model of stress-softening, Mechanics Research Communications; Elsevier; DOI: https://doi.org/10.1016/j.mechrescom.2013.11.002
15. Firozut Tauheed, Somnath Sarangi: Rheological model for stress-softened visco-hyperelastic materials, International Journal of Damage Mechanics; Sage; DOI: https://doi.org/10.1177/1056789514551760
16. Alok Kumar Verma, Somnath Sarangi, Mahesh Kolekar: Stator winding fault prediction of induction motors using multi-scale entropy and grey fuzzy optimization methods, Computers & Electrical Engineering; Elsevier; DOI: https://doi.org/10.1016/j.compeleceng.2014.05.013
17. Alok Kumar Verma, Somnath Sarangi, Mahesh Kolekar: Misalignment Faults Detection in an Induction Motor Based on Multi-scale Entropy and Artificial Neural Network, Electric Power Components and Systems; Taylor & Francis; DOI: https://doi.org/10.1080/15325008.2016.1139015

Scopus Indexed Journals (by Elsevier) :

1. Somnath Sarangi: On the Mullins Effect of Soft-Biological Tissues: A Comparison between Material Models with Experimental Results, IFMBE Proceedings; Springer; DOI: https://doi.org/10.1007/978-3-642-14515-5_263
2. Deepak Kumar, Somnath Sarangi: Data on the viscoelastic behavior of neoprene rubber, Data in Brief; Elsevier ISSN: 2352-3409 ; DOI: 10.1016/j.dib.2018.10.081
3. Firozut Tauheed, Somnath Sarangi: Modelling of Damage in Finite Torsion, Extension and Inflation of an Arterial Tissue, IFMBE Proceedings; Springer; DOI: https://doi.org/10.1007/978-3-642-14515-5_224
4. Alok Kumar Verma, Somnath Sarangi: Fault Diagnosis of Broken Rotor Bars in Induction Motor Using Multiscale Entropy and Backpropagation Neural Network, Intelligent Computing and Applications; Springer; DOI: https://doi.org/10.1007/978-81-322-2268-2_41
5. Alok Kumar Verma, Somnath Sarangi, Mahesh Kolekar: Misalignment Fault Prediction of Motor-Shaft Using Multiscale Entropy and Support Vector Machine, Advances in Intelligent Informatics; Springer; DOI: https://doi.org/10.1007/978-3-319-11218-3_33
6. Alok Kumar Verma, Somnath Sarangi, Mahesh Kolekar: Experimental Investigation of Misalignment Effects on Rotor Shaft Vibration and on Stator Current Signature, Journal of Failure Analysis and Prevention; Springer; DOI: https://doi.org/10.1007/s11668-014-9785-7
7. Alok Kumar Verma, Somnath Sarangi, Mahesh Kolekar: Misalignment Fault Prediction of Motor-Shaft Using Multiscale Entropy and Support Vector Machine, International Journal of Mechatronics and Manufacturing Systems; Inder Science; DOI: 10.1504/IJMMS.2013.058519
8. Deepak Kumar, Somnath Sarangi: Dynamic response of dielectric elastomer under electrical loading condition, Procedia Computer Science; Elsevier ISSN: 1877-0509; DOI: 10.1016/j.procs.2018.07.132
9. Deepak Kumar, Somnath Sarangi: Variable stiffness modeling of smart cantilever beam under the electrical loading condition, Procedia Computer Science; Elsevier ISSN: 1877-0509; DOI: 10.1016/j.procs.2018.07.130
10. Deepak Kumar, Somnath Sarangi: Pre-stretching effect modeling of a dielectric elastomer under the electrical loading condition, Materials Today: Proceedings; (Accepted); Elsevier ISSN: 2214-7853
11. Deepak Kumar, Moonim Lateefi, Somnath Sarangi: A phenomenological model for the viscoelastic behaviour of natural rubber, IOP Conference Series: Materials Science and Engineering; (Accepted); IOP Science (Institute of Physics) ISSN: 1757-8981
12. Deepak Kumar, Kriti Arya, Somnath Sarangi: Modeling of a pre-stretched dielectric elastomer : A second law of thermodynamics-based approach, Journal of Physics: Conference Series (JPCS); (Accepted); IOP Science (Institute of Physics) ISSN: 1742-6596
13. Kriti Arya, Deepak Kumar, Somnath Sarangi: Small Superimposed Radial Oscillations of an Arterial Tissue: Before and After Angioplasty, Journal of Physics: Conference Series (JPCS); (Accepted); IOP Science (Institute of Physics) ISSN: 1742-6596

Patents

1. Dr. Somnath Sarangi, Alok Kumar Verma, Geeta Krishnan, " Whirl detection of a shaft coupled with an induction motor using modified full spectrum analysis of motor current signature ", Indian Patent application no 1026/KOL/14 of 09.10.14 .

Research Projects/ Industrial Consultancy

Completed Projects:

1. "Inelastic Effects in Elastomers: Theoretical and Experimental Study", Department of Science and Technology, Govt. of India, PI. Dr. Somnath Sarangi, 29th September, Oct-2010-Oct-2013.
2. "Immersed boundary simulation of low Reynolds number flow over oscillating airfoils", PI: Dr. Somnath Roy, Co-PI: Dr. Somnath Sarangi, AERONAUTICS R&D BOARD, Sept 2014-Sept 2017.
3. "Comprehensive integrated Diagnostic study of Clusters in State of Bihar", Government of Bihar, PI: Dr. Somnath Roy, Co-PI: Dr. Somnath Sarangi, Dr. S. S. Panda, Dec 2014-Aug 2015.
4. "Technology Gap Analysis Study for the Rice Milling Cluster in Lakhisaria, Bihar", TIFAC-Government of Bihar, PI: Dr. Somnath Sarangi, Co-PI: Dr. Somnath Roy, April 2015-April 2017.
5. "Technology Gap Analysis Study for the Rice Milling Machinery Cluster in Raxaul, Bihar", TIFAC-Government of Bihar, PI: Dr. Somnath Roy, Co-PI: Dr. Somnath Sarangi, April 2015-April 2017.
6. "To determine the fault features of Faulty Bearings of Induction Motor from Current signal and Power Factor Signal at low ", Prophecy Sensorlytics India Private Limited a subsidiary of Prophecy Sensorlytics Inc, USA , PI: Dr. Somnath Sarangi, Oct 2016-Nov 2016.
7. "Frequency Based Vibration Analysis", Prophecy Sensorlytics India Private Limited a subsidiary of Prophecy Sensorlytics Inc, USA , PI: Dr. Somnath Sarangi, Feb 2018-April 2018.

Ongoing Projects:

1. "Technology gap analysis for combined study proposal for the following clusters : copper & bronze utensils clusters, Mahua, Vaishali, Brass & German Silver utensils cluster – Majhualia, Bettiah, Brass & Bell Metal cluster – Mahisadel, Purba, Medinipur, West Bengal ", TIFAC-Government of Bihar, PI: Dr. Somnath Sarangi, Co-PI: Dr. Somnath Roy, Dr. P. Saha, August 2016-continuued.
2. "Technology Gap Analysis Study for Jhula Cluster, Kanhaiyaganj, Nalanda.", TIFAC-Government of Bihar, PI: Dr. Somnath Sarangi, Co-PI: Dr. S. S. Panda, August 2016-continuued.

Interactions with other Institutes, Industries, R&D Laboratories etc.

1. Guest Speaker at “Symposium on Engineering Application of Matlab” in Indian School of Mines, Dhandad 9-10 January, 2010.
2. Keynote Speaker at “Workshop on Optimization Techniques and their Applications in Engineering Problems” in National Institute of Technology Durgapur 05-09 August, 2013.
3. Design Consultant for Rice Mill Cluster Luckeesarai, Bihar and conducted a Design Awareness Programme at Luckeesarai 18-22 February,2014. Supported by Government of Bihar and MSME, Government of India.
4. Keynote Speaker at “National Conference in INNOVATIONS IN DESIGN & CONSTRUCTION OF INDUSTRIAL STRUCTURES (IDCIS-2014)” in National Institute of Technology Durgapur 03-05 April, 2014.
5. Invited Speaker at “Rolls-Royce Singapore ” Rolls-Royce at NTU corporate Lab 26 Jan, 2017.

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