Dr. Nallathambi, Ashok Kumar
Dr.-Ing. Ashok Nallathambi
Research topic
Prediction of Hot Tears in Direct Chill casting of Aluminum Alloys
Supervisors
Brief Resume
Born 1980 in Tamil Nadu, India
Academic Background
July 2010 onwards | Post Doctoral Research Student, ISUT, FVT, Otto-von-Guericke-University Magdeburg, Germany. |
2007-2010 | PhD Study, Faculty of Process and System Engineering, Mechanical Process Engineering, Otto-von-Guericke-University Magdeburg, Germany. Thesis topic: Thermomechanical Simulation of Direct Chill casting. |
2004-2006 | M.Tech in Engineering Mechanics (Solid), Indian Institute of Technology Madras, Tamil Nadu, India |
1997-2001 | B.E in Mechanical Engineering, PSNA CET, Madurai Kamaraj University, Tamil Nadu, India |
Working Experiences
2006-2007 | Project Officer in IIT Madras under the guidance of Prof.M.S.Sivakumar. Project Title: Plasticity Based Constitutive Modeling of Shape Memory Alloy Hysteresis and its Applications. |
2001-2004 | Lecturer in P.S.Y Engg. College, Sivagangai, Anna University, India. Subjects handled are Engineering Mechanics (Statics and Dynamics), Solid Mechanics, Fluid Mechanics, Thermodynamics, Engineering Graphics, Operations Research, Probability Theory and Reliability Engineering. |
Publications
International Journals
- Ashok Kumar Nallathambi, Yalcin Kaymak, Eckehard Specht, Albrecht Bertram, 2008. Distortion and Residual Stresses during Metal Quenching Process, Book Chapter: Micro-Macro-Interactions in Structured Media and Particle Systems, Editors: Albrecht Bertram and Juergen Tomas, Springer-Verlag, pp 145-157.
- Ashok Kumar Nallathambi,Yalcin Kaymak, Eckehard Specht, Albrecht Bertram, 2009. Optimum Strategies to Reduce Residual Stresses and Distortion during the Metal Quenching Process, Journal of ASTM International, 6(4), JAI101806.
- Ashok Kumar Nallathambi, Eckehard Specht, 2009. Estimation of heat flux in array of jets quenching using experimental and inverse finite element method , Journal of Materials Processing Technology, 209(12-13), pp. 5325-5332.
- Ashok Kumar Nallathambi, Eckehard Specht, Albrecht Bertram, 2009. Computational Aspects of Temperature based Finite Element Technique for phase-change heat conduction problem, Computational Materials Science, 47(2), pp. 332-341.
- Ashok Kumar Nallathambi,Yalcin Kaymak, Eckehard Specht, Albrecht Bertram 2010. Sensitivity of material properties on distortion and residual stresses during metal quenching processes, Journal of Materials Processing Technology, 210(2), pp. 332-341.
- Ashok Kumar Nallathambi, S. Doraisamy , A.S. Chandrasekar, S.M. Srinivasan, 2009. A 3-species model for Shape Memory Alloys, International Journal of Structural Changes in Solid- Mechanics and Applications, 1(1), pp. 149-170.
- Ashok Kumar Nallathambi, C.Laskhmana Rao, Sivakumar M. Srinivasan, 2010. Large deflection of constant curvature curved beams under follower load, International Journal of Mechanical Sciences, 52(3), pp. 440-445.
International Conferences
- Ashok Kumar Nallathambi, Yalcin Kaymak, Eckehard Specht, Albrecht Bertram. Influence of material properties on distortion and residual stresses during metal quenching process, Coupled Problems 2009, June 8-10, Ischia Island, Italy, 2009.
- Ashok Kumar Nallathambi, Yalcin Kaymak, Eckehard Specht, Albrecht Bertram. Distortion prediction during atomized spray and array of jets quenching, 18th International conference on Computer Methods in Mechanics, May 18-21, Zielona Gora, Poland, 2009.
- Ashok Kumar Nallathambi, Eckehard Specht, Albrecht Bertram. Finite element technique for phase-change heat conduction problem, ASME 2009 Summer Heat Transfer Conference, July 19-23, San Francisco, California, USA, 2009.
- Ashok Kumar Nallathambi, Umair Alam, Eckehard Specht. Heat flux estimation in direct chill casting using experimental and inverse finite element method, ASME 2008 Summer Heat Transfer Conference, August 10-14, Jacksonville, Florida, USA, 2008.
- Ashok Kumar Nallathambi, Rakesh Varma Vegesana, C.Lakshmana Rao, M.S.Sivakumar, "Numerical simulation of large bending of smart curved cantilever beam with shape memory alloy wire", International Conference on Emerging Mechanical Technology - Macro to Nano, EMTM2N-2007, BITS, India (2007).
- Ashok Kumar Nallathambi, Rakesh Varma Vegesana, C.Lakshmana Rao, M.S.Sivakumar, "Modified Fourth Order Runge-Kutta Method for Large Deflection Analysis of Curved Cantilver Beam Under Follower Loads", The Fourteenth International Conference of the Forum for Interdisciplinary Mathematics, CMASM 2007 - FIM XIV , India (2007).