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Dr Raghu Piska: Leading Researcher In Fracture and Damage Mechanics

Heartfelt congratulations on receiving [Best Researcher Award]! This well-deserved recognition is a testament to your exceptional talent, hard work, and unwavering commitment to excellence.

Your dedication to your craft and the impact you’ve made in your field are truly commendable. It’s inspiring to see your efforts being celebrated on this prestigious platform.

May this award be a symbol of the incredible heights you can achieve, and may it open doors to even greater opportunities in the future. Your success is an inspiration to us all, and we are incredibly proud to witness this well-earned achievement.

Professional Profiles:

Education:

  •   Doctor of Philosophy (Jan 2016 – Feb 2020) Thesis Supervisor: Prof. Amirtham Rajagopal Structural Engineering Division              Department of Civil Engineering Indian Institute of Technology Hyderabad, 2020.
  •   Dissertation: “Nonlocal nonlinear approaches for modeling damage in structures” CGPA: 9.27 Date of Admission: 01-01-2016     Date of submission of thesis: 09-12-2019. Date of PhD thesis defense: 18-02-2020.
  •    Dissertation: “Nonlocal nonlinear approaches for modeling damage in structures” CGPA: 9.27 Date of Admission: 01-01-            2016   Date of submission of thesis: 09-12-2019. Date of PhD thesis defense: 18-02-2020.
  •    B.Tech(Civil)+M.Tech(Structural Engineering) (2010-2015) Department of Civil Engineering JNTU College of Engineering                Hyderabad, Telangana. Aggregate: 78.1 %
  •   M.Tech Thesis: “Analytical solutions for laminated composite plates using shear deformation theories considering effect of         nonlocality” Thesis Supervisor: Prof. N.V. Ramana Rao.
  •  M.Tech Thesis: “Analytical solutions for laminated composite plates using shear deformation theories considering effect of        nonlocality” Thesis Supervisor: Prof. N.V. Ramana Rao.
Research Interests:
  • ˆ Computational Solid Mechanics
  • ˆ Generalized continuum theories
  • ˆ Phase field modeling of damage
  • ˆ Peridynamics
  • ˆ Nonlinear finite element analysis
  • ˆ Laminated composites and Functionally graded materials

Publications & Contributions:

Anna Mariya Shajan, Krishnendu Sivadas, Raghu Piska, Chandu Parimi. Hygrothermal effects on vibration response of porous FG nanobeams using nonlocal strain gradient theory considering thickness effect. International Journal of Structural Stability and Dynamics, 2023. (accepted for publication)

Kalyan Boyina, Raghu Piska, Sunderarajan Natarajan. Nonlocal strain gradient model for thermal buckling analysis of functionally graded nanobeams. Acta Mechanica, 2023. link

Kalyan Boyina, Raghu Piska. Wave propagation analysis in viscoelastic Timoshenko nano beams under surface and magnetic field effects based on nonlocal strain gradient theory. Applied Mathematics and Computation, 439-127580,2022. link

P. Raghu, A. Rajagopal, S.K. Jalan, J.N. Reddy. Modeling of brittle fracture in thick plates subjected to transient dynamic loads using a hybrid phase field model, Meccanica,56:1269-1286, 2021. link

A. Rawat, P. Raghu, A. Rajagopal, M. Hossain. Nonlocal plasticity based damage modeling in quasi-brittle materials using an isogeometric approach. Engineering Computations, 38(6), 2021 link

P. Raghu, A. Rajagopal, J.N. Reddy. Thermodynamically consistent variational approach for modeling brittle fracture in thick plates by a hybrid phase field model. ASME, Journal of Applied Mechanics, 87(2):021002, 2020. link

P. Raghu, A. Rajagopal, J.N. Reddy. Nonlocal transient dynamic analysis of laminated composite plates. Mechanics of Advanced Materials and Structures, 2020. link

Aurojyoti P., Raghu P., Rajagopal A., Reddy, J. N. An n – sided polygonal finite element for nonlocal nonlinear analysis of plates and laminates. International Journal for Numerical Methods in Engineering, 1-37, 2019. link

K. Shiva, P. Raghu, A. Rajagopal, J.N. Reddy. Nonlocal buckling analysis of laminated composite plates considering surface stress effects. Composite Structures. vol. 226:pp 1-16, 2019.link

P. Raghu, A. Rajagopal, J. N. Reddy. Nonlocal nonlinear finite element analysis of composite plates using TSDT. Composite Structures, vol. 185: 38-50, 2018. link

S. Srividhya, P. Raghu, A. Rajagopal, and J.N. Reddy. Nonlocal nonlinear analysis of functionally graded plates using third-order shear deformation theory. International Journal of Engineering Science, vol. 125:1- 22, 2018. link

K. Preethi, P. Raghu, A. Rajagopal, J. N. Reddy. Nonlocal nonlinear bending and free vibration analysis of a rotating laminated nano cantilever beam. Mechanics of Advanced Materials and Structures. vol.25 (5): pp 1-12, 2017. link

. P. Raghu, K. Preethi, A. Rajagopal, J.N. Reddy. Nonlocal third order shear deformation theory for the analysis of laminated composite plates considering surface stress effects. Composite Structures, vol. 139: 13-29, 2016. link

Conference publications ;

  1. Kalyan Boyina, Raghu Piska. Wave Propagation analysis of nanobeams using nonlocal strain gradient theory. International Conference on Recent Advances in Applied Mathematics (RAAM 2023), June 20-23, 2023, BITS Pilani Dubai campus.
  2. Anna Mariya, Raghu Piska, Chandu Parimi. Phase field modeling of fracture in functionally graded plates.
    National Finite Element Developers meet ( NAFED – 07), conducted by ISRO, IIT Delhi, April 30th, 2023
  3. Anna Mariya Shajan, Krishnendu Sivadas, Raghu Piska, Chandu Parimi. Hygrothermal effects on Vibration Response of Porous FG Nanobeams using Nonlocal Strain Gradient Theory considering thickness effect,
    8th International Congress on Computational Mechanics and Simulation (ICCMS), December 9-11,2022, IIT
    Indore.
  4. Krishnendu Sivadas, Anna Mariya Shajan, Raghu Piska, Chandu Parimi, ”Nonlinear free vibration response
    of functionally graded nanobeams under hygrothermal environment based on nonlocal strain gradient theory
    with thickness effect”, 8th International Congress on Computational Mechanics and Simulation, December
    9-11,2022, , IIT Indore.
  5. Kalyan Boyina, Raghu Piska. Buckling Analysis of a simply supported beam subjected to thermal loading
    based on the Strain Gradient Theory, Indian Conference on Applied Mechanics (INCAM),November 11-13,
    2022 NIT Jamshedpur.
  6. Raghu Piska, S. EI Borgi, M.Muhammad, A. Rajagopal, J.N. Reddy. Phase-field model of a surface
    crack in a graded coating-homogeneous half-plane under thermal loading, October 16-19, SES 2022 Annual
    Conference, Texas A&M University, College station, Texas, USA
  7. Raghu Piska. Hybrid Phase field modeling of thick plates under transverse loads, GACM Colloquia,
    September 21-23, 2022, University of Duisburg-Essen, Germany.
  8. Kalyan Boyina, Raghu Piska. Effect of magnetic field and surface stress effects on wave propagation
    behaviour of viscoelastic Timoshenko nano beams based on non-local strain gradient theory. International
    conference on computational methods in sciences and engineering (CMSE-2022), April 22-24, 2022, BITS
    Pilani Hyderabad, India
  9. Mayank Yadav, Chandu Parimi, Raghu Piska. Hygro-thermal analysis of Euler-Bernoulli nano beams
    under surfac eand magnetic field effect based on nonlocal strain gradient theory. International conference on
    computational methods in sciences and engineering (CMSE-2022), April 22-24, 2022, BITS Pilani Hyderabad,
    India.
  10. Kalyan Boyina, Raghu Piska. Wave propagation analysis in viscoelastic Timoshenko nano beam under surface stress effects based on nonlocal strain gradient theory. 2nd International Conference on Computational
    Sciences: Modelling, Computing and Soft Computing (CSMCS 2022), March 28-30, 2022, Manipal Academy
    of Higher Education, Manipal, India.
  11. P. Raghu. Hybrid phase field damage model for the analysis of thick plates subjected to transverse loads.
    International Webinar on contemporary problems on Mechanics and Vibrations (CPVM -2021), May 20-22,
    BITS Pilani Hyderabad campus, Hyderabad, India.
  12. A. Rajagopal, P. Raghu. Towards nonlocal approaches for modeling damage in quasi brittle materials.
    International Congress on Computational Mechanics and Simulation ,ICCMS 2019, IIT Mandi, India.
  13. P. Raghu, A.Nasedkina, A. Nasedkin, B. Saswata, A. Rajagopal. Nonlocal Nonlinear Analysis of Composites. International Conference on Physics and Mechanics of new materials and their applications,14th − 16th,October 2017, IIIT Jabalpur, India
  14. Deepesh Sharma, Raghu Piska, Amirtham Rajagopal. A Novel n-Sided Polygonal Finite Element Approach
    for Analysis of Isotropic Plates. International Conference on Physics and Mechanics of new materials and
    their applications,14th − 16th, October 2017, IIIT Jabalpur, India.
  15. . P. Raghu and A. Rajagopal. Nonlinear Finite Element Analysis of laminated composite plates using nonlocal
    third order shear deformation theory. 20th International Conference on Composite Structures (ICCS 20), 04
    – 07th September 2017, Paris, France.
  16. Raghu P and Rajagopal A. Nonlocal Analysis of laminated plates using third order shear deformation theory
    considering surface stress effects. 6th International Congress on Computational Mechanics and Simulation,
    June 27th- July 1st 2016, IIT Bombay, Mumbai, India.
  17. P. Raghu and A. Rajagopal. Analytical solutions for laminated composite plates considering nonlocal and
    shear deformation effects. 5th International Congress on Computational Mechanics and simulation, 10-13th
    December ,2014, SERC Chennai, India.

Work/Research Experience:

Dec 2020 – on wards
Assistant Professor
Birla Institute of Technology and Science (BITS) Pilani Hyderabad campus

Dec 2019 – June 2020
Institute Post-doc fellow
Supervisor: Prof. Amirtham Rajagopal
Structural Engineering Division
Department of Civil Engineering
IIT Hyderabad

July 2015 – December 2015 : Project Associate, IIT Hyderabad, India.
Project: “Computational Damage Mechanics approach for multiscale failure modeling of composite plates”,
sponsored by AR&DB, DRDO.

Student Guidance:

  • 2 PhD students as Supervisor, 1 PhD student as Co-supervisor
  • Guided 2 masters students and 3 undergraduate students as supervisor.

Leadership Experience:

  • Level advisor for 100 level Botany students 2023-to date
  • Deputy Chairman, Committee on Botanic Garden 2023-to date
  • Deputy Coordinator, Students Industrial Work Experience Scheme (SIWES), Department Of Biological Sciences, Federal University Dutse. 2021 –present
  • Class Representative, postgraduate Students of the Department of Plant Biology, Bayero University Kano, Nigeria. 2019-2021

Poster Presentations :

  •  P. Raghu. Phase field modelling of brittle fracture in thick plates, Workshop on Non classical Advanced
    Mechanics of Materials (NCAMM 2019), IISc Bangalore, 9 − 11th July, 2019.
  • ˆ P. Raghu. Nonlocal Nonlinear Structural Analysis, Indo-German workshop on Solid Mechanics, IIT Delhi,
    6 − 7th March, 2018.

Invited talks :

  • Invited talk on: ”Wave propagation analysis of nanobeams using nonlocal strain gradient theory”, International Conference on ”Recent Advances in Applied Mathematics (RAAM 2023)”, BITS Pilani Dubai campus,
    June 20-23, 2023.
  • Invited talk on : ”Phase field modeling of fracture in quasi brittle materials under static and transient
    dynamic loads”, Indo-Japan workshop on ” Computational Modeling of damage and seismic vulnerability
    assessment during earthquakes in building systems”, IIT Hyderabad, May 12-13th , 2022.
  • Invited talk on: ”Phase field modeling of damage in thick plates under transverse loads”, International
    Symposium on ”Nonlocal Mechanics approaches modelling localized deformations”, IIT Hyderabad, June
    7-8th, 2022.

Volunteering and leadership  ;

  • Core team member – Mess monitoring committee 2018-2019, IIT Hyderabad.
  • Core team member – Organizing committee , International conference on Composite Materials and Structures
    2017 (ICCMS 2017), IIT Hyderabad
  • Participated in Blood donation camp conducted by REDCROSS society India, 2011.
  • Participated in NSS camp conducted by JNTUH, INDIA, 2011.
  •  Headed the team for conducting quiz exam as part of National level technical fest, Sthapathya, JNTU
    Hyderabad, India, 2014
  • Acted as placement coordinator during 2014-2015 for the PG program.

Other interests and achievements :

  •    Represented IIT Hyderabad in Table tennis category for Inter IIT sports meet 2019.
  • ˆ Part of Winning team of Intra IIT Table Tennis League, IIT Hyderabad, 2016.
  •    Winner of Table Tennis league conducted as part of Research Scholar Day celebrations, IIT Hyderabad, 2018.

 

Dr. RAGHU PISKA- Fracture and Damage Mechanics

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