Jayendiran RAJA

  • Responsabilité et missions

    Develop computational fluid dynamic model for patient-specific geometry and calibrate with 4D phase-contrast magnetic resonance imaging (PC-MRI).

    Mentoring Undergraduate and Graduate students during their internship

  • Compétences

    Programming Language: Fortran , Matlab
    Software Packages: Abaqus, Ansys, Lab view, Solid Works
    Imaging softwares: Mimics, CIRCLE, Crimson
    Utility Packages: MS-Office, Latex
    Developed UEL and UMAT subroutines for different structures to solve with ABAQUS
    Developed Experimental setup to characterize Smart materials

  • Activités de recherche

    Computation fluid dynamic analysis for Patient-specific aneurysm geometry.

    Fluid-Structure Interaction of Elastic Shells for Aerospace and Biomedical Applications.

    Constitutive modeling and experimental characterization of piezoelectric materials for energy harvesting applications.

    Fatigue studies on 1-3 piezocomposites.

    Theoretical and Experimental Investigations on Non-linear Behaviour of 1-3 Piezocomposites.

  • Biographie

    Dr. Jayendiran Raja is a dynamic researcher with experience in various fields of mechanical engineering. He is specialized in computational mechanics applied to material (smart composites, biological soft tissues and biomaterial) characterization. He holds a PhD in Smart composites material characterization (Indian Institute of Technology Madras, India, 2014), a Master in Computer Aided Design (Anna University, India, 2007), and a Bachelor in Mechanical Engineering (University of Madras, India, 2001). He has worked in three world-class research institutions, namely, the Indian Institute of Technology Madras (Chennai, India), the University of Lorraine-LEMTA-CNRS (Nancy, France), the Texas A & M University (Doha, Qatar). He has 7 years of teaching experience in Engineering colleges in India.

    The topics of his research are Computational fluid dynamics analysis of ascending thoracic aneurysm (current postdoc at Ecole Nationale Superieure des Mines de Saint-´Etienne), Fluid-Structure Interaction of Elastic Shells for Aerospace and Biomedical Applications (Postdoc at Texas A&M University at Qatar), Constitutive modeling and experimental characterization of piezoelectric materials for energy harvesting applications (Postdoc at University of Lorraine-LEMTA-CNRS, France). During his PhD at Indian Institute of Technology Madras, India, he worked on Theoretical and Experimental Investigations on Non-linear Behaviour of 1-3 Piezocomposites for biomedical applications. Through this intense research activity, he has achieved a high-level multidisciplinary expertise in material and geometrical modelling of smart composites and biomaterials (such as Dacron, Shape Memory Alloy). Since the early stages of his career, Dr. Jayendiran Raja has been working in multidisciplinary environments in close contact with highly reputed senior scientists and surgeons.

    His research has reached levels of excellence in all the activities he has been involved, as confirmed by his publications record. Indeed he contributed to 21 publications in international journals and 10 conference proceedings, covering very different topics. This reveals flexibility, adaptability to new research subjects as well as good communication skills. His work has been published in high quality journal such as Composites Part B, International Journal of Solid and Structures, Journal of Applied Physics, European Journal of Mechanics A/ solids, Journal of fluids and structures, Journal of Mechanical Behaviour of Biomedical materials, Smart Materials and Structures etc. Very often in his career he has coordinated to the research work of students. In these occasions, he showed initiative, independent thinking and leadership. He is the recipient of Best PhD thesis award for the thesis “Theoretical and Experimental Investigations on Non-linear Behaviour of 1-3 Piezocomposites” from Indian Institute of Technology Madras, India. He received best poster award for the paper “Finite element modeling and experimental study on electromechanical response of 1-3 piezocomposites”, 2nd International Conference on Advance Functional Materials, India.

    He has been involved in projects funded by the Centre National de la Recherche Scientifique (CNRS), France, Qatar National Research Fund (QNRF), Qatar and Department of Materials Research Laboratory (DMRL), India acquiring ability to plan the research activity and to work with strict deadlines. Dr. Jayendiran Raja has also contributed to the development of an experimental lab (Smart Material Characterization Lab) at Indian Institute of Technology Madras.

  • Formation

    2014 – Ph.D, Applied Mechanics (Solid Mechanics), Indian Institute of Technology Madras, Chennai, India.
    2007- M.E, Computer Aided Design, Anna University, Chennai, India.
    2006 – M.B.A, Operation Research, Indira Gandhi National Open University, India.
    2001- B.E, Mechanical Engineering, University of Madras, Chennai, India.

  • Carrière

    Research Experience:
    Post Doctoral Researcher, Ecole Nationale Superieure des Mines de Saint-Etienne, France April 2018 – Present
    Post Doctoral Research Associate, Texas A &M University, Qatar Dec 2015 – March 2018
    Post Doctoral Researcher, University of Lorraine (LEMTA)-CNRS, France Dec 2014 – Nov 2015
    Post Doctoral Fellow, Indian Institute of Technology Madras, India July 2014 – Nov 2014

    Teaching Experience:
    Senior Lecturer, Rajalakshmi College of Engineering, Chennai, India Sept 2008 – July 2010
    Undergraduate Courses: Engineering Mechanics, Strength of Materials & Finite Element Analysis
    Senior Lecturer, GKM College of Engineering and Technology, Chennai, India June 2003 – Aug 2008
    Undergraduate Courses: Engineering Graphics, Strength of Materials, Finite Element Analysis, Unconventional Machining Process& Hydraulics and Pneumatics.

  • Principaux ouvrages

    1. R. Jayendiran, A. Arockiarajan, Modeling of dielectric and piezoelectric response of 1-3 type piezocomposites, Journal of Applied Physics, 112, 2012, 044107.
    2. R. Jayendiran, A. Arockiarajan, Experimental and theoretical studies on ferroelastic switching of 1-3 type piezocomposites, European Journal of Mechanics A/Solids, 38, 2013, 48-58.
    3. R. Jayendiran, A. Arockiarajan, Non-linear electromechanical response of 1-3 type piezocomposites, International Journal of Solids and Structures, 50, 2013, 2259-2270.
    4. R. Jayendiran, A. Arockiarajan, Modeling and experimental characterization on temperature-dependent ferroelastic switching of 1-3 type of piezocomposites, International Journal of Engineering Sciences, 68, 2013, 61-74.
    5. R. Jayendiran, A. Arockiarajan, Investigations on non-linear temperature-dependent electro-mechanical response of 1-3 type piezocomposites, Sensors and Actuators A: Physical, 201, 2013, 23-35.
    6. R. Jayendiran, A. Arockiarajan, Temperature-dependent ferroelectric switching of 1-3 type piezocomposites: an experimental and theoretical study, Acta Mechanica, DOI 10.1007/s00707-013-0967-2.
    7. R. Jayendiran, A. Arockiarajan, Micromechanical modelling and experimental characterization of 1-3 piezocomposites subjected to electromechanical loads, International Journal of Engineering Sciences, 81, 2014, 15-32.
    8. R. Jayendiran, A. Arockiarajan, Viscoelastic modeling and experimental characterization of thermoelectromechanical response of 1-3 piezocomposites, Journal of Applied Physics, 116, 2014, 214103.
    9. R. Jayendiran, A. Arockiarajan, Finite element modeling on time dependent ferroelectric behaviour of 1-3 piezocomposites, Ceramics International, 41, 2015, 4621-4636
    10. R. Jayendiran, A. Arockiarajan, Numerical modeling and experimental characterization of temperature dependent viscoelastic effect on the ferroelastic behaviour of 1-3 piezocomposites, Sensors and Actuators A: Physical, 226,2015, 81-97.
    11. R. Jayendiran, A. Arockiarajan, Effect of viscoelastic and dielectric relaxing matrix on ferroelastic behaviour of 1-3 piezocomposites, AIP Advances, 5, 2015, 027103.
    12. R. Jayendiran, A. Arockiarajan, Micromechanical modeling and experimental characterization on viscoelastic behaviour of 1-3 active composites, Composites Part B, 79, 2015, 105-113 .
    13. Y. Mohan, R. Jayendiran, A. Arockiarajan, Modeling and experimental characterization on fatigue behaviour of 1-3 piezocomposites, Proc. SPIE 9432, Behavior and Mechanics of Multifunctional Materials and Composites 2015, 94320F (April 1, 2015); doi:10.1117/12.2082698.
    14. R. Jayendiran, A. Arockiarajan, Experimental characterization and numerical modeling of time dependent electro-mechanical response of piezocomposites, International Journal of Mechanical Sciences, 100, 2015, 250-261.
    15. S. Maniprakash, R. Jayendiran, A. Menzel and A. Arockiarajan, Experimental investigation, modelling and simulation of rate-dependent response of 1-3 ferroelectric composites, Mechanics of Materials, 94, 2016, 91-105.
    16. R. Jayendiran, M. Ganapathi and T. Ben Zineb, Finite element analysis of switching domains using ferroelectric and ferroelastic micromechanical model for single crystal piezoceramics, Ceramics International, 42, 2016, 11224 – 11238.
    17. R. Jayendiran, A. Arockiarajan, Non-linear modeling on rate dependent ferroelectric and ferroelastic response of 1-3 piezocomposites, Smart Material and Structures, 25, 2016, 065017.
    18. R. Jayendiran, A. Arockiarajan, Theoretical modeling and experimental characterization of rate and temperature dependent electromechanical behavior of piezocomposites, European Journal of Mechanics A/Solids, 69, 2018, 23-44.
    19. R. Jayendiran, B. M. Nour and A. Ruimi, Dacron graft as replacement to dissected aorta: A threedimensional fluid-structure-interaction analysis, Journal of the Mechanical Behaviour of Biomedical Materials, 78, 2018, 329-341.
    20. R. Jayendiran, B. Nour and A. Ruimi, Computational fluid-structure interaction analysis of blood flow on patient-specific reconstructed aortic anatomy and aneurysm treatment with Dacron graft, Journal of fluids and structures, 81, 2018, 693-711.
    21. R. Jayendiran, B. Nour and A. Ruimi, Fluid-structure interaction (FSI) analysis of stent-graft for aortic endovascular aneurysm repair (EVAR): Material and structural considerations, Journal of the Mechanical Behaviour of Biomedical Materials, 87, 2018, 95-110.

  • Distinctions

    2017 Recipient of Excellence award from European commission for the project proposal “ Numerical simulation on Growth and Remodeling of Patient-specific Ascending Thoracic Aortic Aneurysm coupled with hemodynamics” submitted under the Horizon 2020’s Marie Sklodowska-Curie actions, Brussels.
    2016 Fellowship to participate in School on Computational Materials Science Across Scales at International Institute for Materials for Energy Conversion, July 18th – July 29th, 2016 in Texas A & M University, College Station,Texas, USA, 2016.
    2015 Recipient of Postdoctoral fellowship award from Qatar National Research Fund (QNRF), Qatar.
    2015 Recipient of Dr. V. Ramamurti Best Ph.D thesis award for the year 2015 for the Ph.D thesis entitled ”Theoretical and Experimental Investigations on Non-linear Behaviour of 1-3 Piezocomposites” at Indian Institute of Technology Madras, India.
    2014 Recipient of Postdoctoral fellowship award from Centre National de la Recherche Scientifique (CNRS), France.
    2014 Recipient of Institute Postdoctoral fellowship from Ministry Human Resources Development (MHRD), Government of India.
    2014 Recipient of Best Poster award for paper ”Finite element modeling and experimental study on electromechanical response of 1-3 piezocomposites”, 2nd International Conference on Advance Functional Materials, organized by CSIR – National Institute for Interdisciplinary science and Technology, Kerala, India.
    2012 Fellowship to participate in 2012 Asia-Pacific Summer School on Smart Structures Technology, July 22nd – August 11th, 2012 at Indian Institute of Science, Bangalore, India.
    2008 Recipient of Gold Medal for Best Instructor in teaching ’Hydraulics and Pneumatics’ to Undergraduate students.
    2007 Obtained First Rank and awarded Gold Medal for Best Academic Excellence in M.E (CAD).
    2004 Recipient of Gold Medal for Best Instructor in teaching ’Unconventional Machining Process’ to Undergraduate students.
    2001 Obtained First Rank and awarded Gold Medal for Best Academic Excellence in B. E Mechanical Engineering.