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PUBLICATIONS

Journals

 

  1. Saayan Banerjee, Effect of integrated ride and cornering dynamics of a military vehicle on the weapon responses (2018) Journal of MBD, Proceedings of Mechanical Engineering. Part K.

  2. Sridar, P., Kumar, A., Li, C., Woo, J., Quinton, A., Benzie, R., Peek, M., Feng, D., Ramarathnam K.K., Nanan, R. and Kim, J.,  Automatic Measurement of Thalamic Diameter in 2D Fetal Ultrasound Brain Images using Shape Prior Constrained Regularized Level Sets. Journal: IEEE Journal of Biomedical and Health Informatics, Vol. 21, no. 4, pp. 1069-1078, July 2017.

  3. Sindhoor Bhat, Jayakala Mathew, Komrakshi R Balakrishnan, Ramarathnam Krishna Kumar, Effect of Outflow Graft Size on Flow in the Aortic Arch and Cerebral Blood Flow in Continuous Flow Pumps: Possible Relevance to Strokes, LWW, Journal: Asaio Journal, Vol:63, Issue-2,pp-144-149,2017.

  4. Ashnil Kumar, Pradeeba Sridar, Ann Quinton, R Krishna Kumar, Dagan Feng, Ralph Nanan, Jinman Kim, Plane identification in fetal ultrasound images using saliency maps and convolutional neural networks, IEEE, Conference: Biomedical Imaging (ISBI), 2016 IEEE 13th International Symposium on Biomedical Imaging (ISBI), pp:791-794,2016.

  5. Anand Suresh Kumar, Ramarathnam Krishna Kumar, Force and Moment Characteristics of a Rhombi Tessellated Non-Pneumatic Tire, The Tire Society, Journal: Tire Science And Technology, Vol: 44, Issue: 2, pp: 130-148, 2016.

  6. A Vijay Alagappan, KV Narasimha Rao, R Krishna Kumar, A comparison of various algorithms to extract Magic Formula tyre model coefficients for vehicle dynamics simulations, Journal: Vehicle System Dynamics, Vol: 53, Issue:2, pp: 154-178, 2015.

  7. Govinda Balan, K, K.R. Balakrishnan, R. Krishna Kumar, “Aortic Valve Dynamics using a Fluid Structure Interaction Model-The Physiology of opening and closing”, Journal: Biomechanics, Vol: 48, Issue:10, pp: 1737-1744, 2015.

  8. P. Sakthivel, K.V.N. Rao, R. Krishna Kumar, “Determination of rolling tyre modal parameters using Finite Element techniques and Operational Modal Analysis”, Journal: Mechanical Signals and System Porcessing, 385 – 402, 64-65, 2015.

  9. Saayan Banerjee, V. Balamurugan, R. Krishna Kumar, “Ride dynamics mathematical model for a single station representation of tracked vehicle”, Journal: Journal of Terramechanis, Volume 53, June 2014, pp – 47- 58.

  10. K Mythreyi, SC Subramanian, RK Kumar, “Nonlinear glucose-insulin control considering delays – Part II: Control Algorithm”, Journal: Control Engineering Practice, 26-33, 28, 2014.

  11. P Ghosh, R Stocek, M Gehde, R Mukhopadhyay, R Krishnakumar, “Investigation of fatigue crack growth characteristics of NR/BR blend based tyre tread compounds”, Journal:  International Journal of Fracture 188 (1), 9-21, 2014.

  12. S Banerjee, V Balamurugan, R Krishnakumar, “Ride Dynamics Mathematical Model for a Single Station Representation of Tracked Vehicle”, Journal: Journal of Terramechanics, 47-58, 53, 2014.

  13. M. Subhani, RK Kumar, KR Balakrishnan, “Normal Aortic Valves Stay Open Longer in Systole than Porcine Substitutes, Journal: Asian Cardiovascular and Thoracic Annals 275 – 280, 21 (3), 2013.

  14. Arun Mangalprakash, Ramarathnam Krishna Kumar, Komarakshi R. Balakrishnan, “Effect of calcification on Plaque Stresses and Vulnerability”, Journal: Mechanics of Advanced Materials and Structures, Vol. 20, 309-315, 2013.

  15. C. Ravishankar; R. Krishna Kumar “Stretchability of Prior cold Worked AISI Type 304 Stainless Steel Sheet”, Journal: Mechanics of Advanced Materials and Structures, 336-349, Vol.19, 2012.

  16. C. Ravishankar; R. Krishna Kumar, “Finite Element Simulation of Sheet Stretched Over a Hemispherical Punch: A Parametric Study”, Journal: Mechanics of Advanced Materials and Structures, Vol.19 663-675, 2012.

  17. Jaiganesh, S., and R. Krishna Kumar, Sequential estimation strategy based on sensitivity analysis for vehicle handling parameter estimation, Journal: International Journal of Advances in Engineering Sciences and Applied Mathematics, 4, 269-278, 2012.

  18. N. Balaramakrishna; R. Krishna Kumar, “A Study on the effect of different tyre imperfections on steering wheel vibration” Journal: Vehicle System Dynamics: International Journal of Vehicle Mechanics and Mobility, 1744-5159, Volume 47, Issue 6,  pp. 753 – 770, 2009.

  19. P. Maboo Subhani; R. Krishna Kumar, “A New Stored Energy Function for Rubberlike Materials for low Strains”, Journal: Mechanics of Advanced Materials and Structures, 1537-6532, Volume 16, Issue 5, pp. 402 – 416, 2009.

  20. N. Balaramakrishna; R. Krishna Kumar, “A study on the estimation of SWIFT model Parameters by finite element analysis”, Journal: Proceedings of the Institution of Mechanical Engineers, Part D, Journal of Automobile Engineering Vol. 223 pp 1283-1300, 2009.

  21. S Sowmianarayanan, A Chandrasekaran, and R Krishna Kumar, “ Finite Element Analysis of a Subtrochantric fractured Femur with DHS, DCS, PFN Implants – A comparative Study, Journal: Proceedings of the Institution of Mechanical Engineers, Part H, Journal of Engineering in Medicine, 222, No. H1, 117 – 127, 2008.

  22. K. V. Narasimha Rao; R. Krishna Kumar, Simulation of Tyre Dynamic Behaviour using Various Finite Element Techniques, Journal: Int. Journal of Computational Methods in Engineering Science and Mechanics , Vol. 8, No.5, 363 – 372, 2007.

  23. S. H. Somashekhar, M. Singaperumal and R. Krishna Kumar, Mathematical modeling and simulation of a jet pipe electrohydraulic flow control servo valve., Journal: IMechE International Journal of Systems and Control Engineering - Proceedings of the Institution of Mechanical Engineers Part I., Vol. 221, 365-382, 2007.

  24. A. Venugopal Rao; R. Krishna Kumar; N. Ramakrishnan, “Workability limits in Cold Forging: Investigation of the Deformation Mechanics through FEA”, Journal:   Mechanics of Advanced Materials and Structures, 14, No.3, 213 – 224, 2007.

  25. S N Kurbet and R Krishna Kumar, “ Finite Element Modeling of Piston – Ring Dynamics and blow-by Estimation in Four-Cylinder Diesel Engine, Journal: Proceedings of the Institution of Mechanical Engineers, Part D, Journal of Automobile Engineering, Vol: 221, Issue: 11,   pp. 1405-1414(10), 2007.

  26. Hiremath Somashekhar S; Singaperumal M; Kumar R Krishna “ Steady State Analysis of a precision hydraulic flow control servovalve using the finite element method”, Journal:   Journal of Micromechatronics Volume 3, Number 2, 2006 , pp. 103-122(20), 2006.

  27. Somashekar S. Hiremath Singaperimal, M and Krishna Kumar, R, “Modelling thesteady-state of a jet pipe electrohydraulic servovalve” Proceedings of the Institution of Mechanical Engineers, Part I,Journal: Journal of Systems and Control Engineering, Vol. 220, 2, 109-129, 2006.

  28. K. Narasimha Rao; R. Krishna Kumar; R. Mukhopadhyay; V. K. Misra, “A Study of Relationship between Magic Formula Coefficients and Tyre Design attributes through Finite Element Analysis”, Journal:   Vehicle Systems Dynamics, Vol. 44, 1, 33 – 64, 2006.

  29. K V Narasimha Rao, R Krishna Kumar, and P C Bohara, A Sensitivity Analysis of Design Attributes and Operating Conditions on Tyre Operating Temperatures and Rolling Resistance using Finite Element Analysis. Journal: Proc. Inst. of Mech. Engineers – Part D: Journal of Automobile Engineering, 220, 501-517, 2006.

  30. K. V. Narasimha Rao, R. Krishna Kumar, P. C. Bohara, and R. Mukhopadhyay, A Finite Element Algorithm for the Prediction of Steady State Temperatures of Rolling Tyres, Journal: Tire Science and Technology, 34, 195-214, 2006.

  31. R. Krishna Kumar and K.R. Balakrishnan, “Influence of lumen shape and vessel    geometry on plaque stresses. Possible role in the vulnerability of a remodelled vessel   and the shoulder of a plaque, Journal: Heart, British Medical Journal Publication, Vol. 91, 1459-1465, 2005.

  32. C Ravishankar, R Krishna Kumar, Finite Element Simulation Of Hemispherical Punch Stretching, Journal: Journal of Transactions of the Indian Institute of Metals, Vol: 58, Issue: 5, 2005.

  33. S.N. Kurbet and R K Kumar,“ A finite element study of piston tilt effects on piston ring dynamics in internal combustion engines”, Journal: Proc. Inst. of  Mech. Engineers Part K : Journal of Multi-body Dynamics Vol. 218 107 – 117, 2004.

  34. Vangipuram Canchi Sripathi, Ramarathnam Krishna Kumar and Komarakshi R. Balakrishnan  “Further insights into normal aortic valve function: role of a compliant aortic root on leaflet opening and valve orifice”, Journal: The Annals of Thoracic Surgery, Vol. 77, Issue 3,   844-851, 2004.

  35. G Unnithan, R KrishnaKumar, A Prasad, Application of a shell-spring model for the optimization of radial tire contour using a genetic algorithm, Journal: Tire Science and technology, Vol:31, Issue:1, pp:39-63, 2003.

  36. A. Venugopal Rao, N. Ramakrishnan, and R. Krishna Kumar, A Comparative evaluation of the theoretical failure criteria for workability in cold forging;   Journal: Journal of Materials Processing Technology Vol. 142, 29 – 42, 2003.

  37. K. Rao, R. Kumar, P. Bohara,“Transient Finite Element Analysis of Tyre Dynamic Behaviour”, Journal:    Tire Science & Technology Vol. 31, 104 – 127, 2003.

  38. Ramakrishna Gnyaneshwar, Ramarathnam Krishna Kumar and Komarakshi R. Balakrishnan, Dynamic Analysis of the Aortic Valve using a Finite Element Model, Journal:  The Annals of Thoracic Surgery, Vol. 73, 4, 1122 – 1129, 2002.

  39. D. Roshan Kumar R.Krishna Kumar and P.K. Philip, Investigations on dynamic compaction of Metal powders Part I: Experimental, Journal: Powder Metallurgy (Institute of Materials U.K.), Vol.45, 3, 1 – 8 2002.

  40. D.Roshan Kumar, R.Krishna Kumar and P.K.Philip, Numerical Investigation of pyramid indentation on powder compacts, Journal: Scripta Metallurgica, Vol. 44, 12, pp.2713 – 2719, 2001.

  41. M.Senthil Kumaran, R.Krishna Kumar, R.Sriraman, Finite element simulation of arc welding distortion and correction of thin sidepanel sheets of a railway coach, Journal: Proc. Inst. Mech. Engrs. (UK), Part-F, Journal of Rail & Rapid Transit, Vol 214, pp 27-43, 2000.

  42. M.N.Ravindranath, R.Krishna Kumar, Simulation of cold forging using contact and practical adaptive meshing algorithms, Journal: Journal of Material Processing Tech.,   Vol. 104, pp 110 – 126, 2000.

  43. M Senthil Kumaran, R Krishna Kumar, R Sriraman, Finite element simulation of the railway coach shell assembly process, Sage Publications, Journal: Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Vol: 214, Issue:7, pp:581-592, 2000.

  44. D.Roshan Kumar, R.Krishna Kumar and P.K.Philip, Simulation of Dynamic compaction of metal powders, Journal: Journal of Applied Physics, Vol.85, Issue 2, pp.767-775, 1999.

  45. L.Ramanan, R.Krishna Kumar and S.Sriraman, Thermo-mechanical analysis of rail-wheel, Journal: International Journal of Mechanical Sciences, Vol 41, pp. 487-505, 1999.

  46. Ch.Pavana Chand and R.KrishnaKumar, Remeshing issues in the Finite Element Analysis of metal forming problems, Journal: Journal of Material Processing Tech., Vol.75/1-3, pp.63-74, March 1998.

  47. G.Rangarajan, R.Krishna Kumar and J.N.Reddy, Numerical modelling of super-plastic behaviour of shape memory alloys, Journal: International Journal of solids and structures, Vol.35, Issue 14, pp.1489-1513, 1998.     

  48. D.Roshan Kumar, R.Krishna Kumar and P.K.Philip, Simulation studies on compression of porous metals by dynamic loading, Journal: Powder Metallurgy (Institute of Materials U.K.), Vol.41, No.4, pp.281-287, 1998.    

  49. Ch Pavanachand and R.KrishnaKumar, Yield function parameters for metal powder compaction based on unit cell studies, Journal: Acta Met., V.45, No.4, pp.1425-1444, 1997.

  50. G.Ravichandran, V.P.Raghupathy, N.Ganesan and R.KrishnaKumar, Prediction of axis shift distortion during circumferential welding of thin pipes, Journal: Welding Journal-Including Welding Research Supplement, V.76, No.1, pp.39s-54s, 1997.

  51. P.Nainan Kurian, K.S.Beena, and R.Krishna Kumar, Settlement of reinforced sand in foundations, Journal: ASCE Intl. Jl. of Geotechnical and Geoenvironmental Engineering, Vol.123, No.9, pp.818-826, 1997.

  52. R.Krishna Kumar and J.N.Reddy, Stress distributions during fibre pull out, Journal: Trans. ASME, Jl. App. Mech., Vol.63, pp.301-306, June 1996.

  53. M.Vijaya Babu, R.Krishna Kumar, O.Prabhakar and N.Gowrishankar, Fracture mechanics approaches to coating strength evaluation, Journal: Engineering Fracture Mech., Vol.55, No.2, pp.235-248, 1996.

  54. M.Vijaya Babu, R.Krishna Kumar, O.Prabhakar and N.Gowrishankar, Simultaneous optimization of flame spraying process parameters for high quality Mo coatings using Taguchi Methods, Journal: Surface and Coatings Technology, Vol.79, No.1-3, pp.276-288, 1996.

  55. Ch Pavanachand and R.KrishnaKumar, Yield function for metal powder compaction based on micromechanics of particle deformation, Journal: Scripta Meterialia, Vol.35, No.6, 767-774, 1996.

  56. Ch Pavanachand and R.KrishnaKumar, A new one-pass approach for large deformation multibody frictional contact analysis, Journal: International Journal for Numerical Methods in Engineering, Vol.12, pp.569-579, 1996.

  57. G.Ravichandran, V.P.Ragupathy, N.Ganesan and R.Krishna Kumar, Prediction of temperature distribution during circumferential welding of thin pipes using f.e.m., Journal: International Journal for Joining of Materials, Vol.7, No.1, pp.34-44, 1995.

  58. V.B.Shenoy and R.Krishna Kumar, Dynamic Crack Growth in a Power hardening Viscoplastic Material, Journal: Transactions ASME Journal of Engg. Materials and Technology, Vol.116, No.4, pp.465-470, 1994.

  59. K.S.Kannan, R.Krishna Kumar and O.Prabhakar, Finite Element Crack Growth Algorithm for Dynamic Fracture, Journal: Computational Mechanics, Vol.12, No.6, pp.349-359, 1993.

  60. R.Krishna Kumar, R.Narasimhan and O.Prabhakar, Dynamic Growth of Tensile Crack by Ductile and Brittle Fracture Mechanisms in a Viscoplastic Material, Journal: Acta Metall. Materials, Vol.40, No.7, pp.1563-1572, 1992.

  61. R.Krishna Kumar, R.Narasimhan and O.Prabhakar, Temperature rise in a viscoplastic material during dynamic crack growth, Journal: International Journal of Fracture, Vol.48, pp.23-40, 1991.

  62. S Chithambaram, K Chinnathambi, RK Kumar, O Prabhakar, FEM Modeling and Quality Assessment of TIG Surface Remelted Pattern Grade Cast Iron.(Retroactive Coverage) Journal:Transactions of the American Foundrymen's Society., Vol: 95, pp: 401-410, 1987.

  63. S Chithambaram, K Chinnthambi, R Kumar, O Prabhakar, Tungsten Inert Gas Surface Melting Treatment of Cast Iron Pattern Material to Improve Wear Resistance, Journal: Advanced Casting Technology, pp: 265-274, 1986.

Conferences

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  1. Jasper H.G. Helthuis, Sindhoor Bhat, Tristan P.C. van Doormaal, Ramarathnam Krishna Kumar, Albert van der Zwan, Proximal and Distal Occlusion of Complex Cerebral Aneurysms—Implications of Flow Modeling by Fluid–Structure Interaction Analysis. 2017

  2. Apoorva Radhakrishnan, Hem Rampal, Krishna Kumar Ramarathnam, Reduced Order Model for Tire Dynamics,Conference: SAE Technical Paper, Issue -2017-26-0342,2017.

  3. Sakthivel P, Krishna Kumar R, “Synthesis of Structure Borne Vehicle Interior Noise Due to Tire / Road Interaction”, Conference: Proceedings of the ASME 2015 International Design Engineering Conference, Boston 2015.

  4. M. Jeevan, R. Jebaraj, R. Krishna Kumar, “In-Vitro validation of Image Guided Surgery System with 3D Pre-Operative Visualization for Atrial Transseptal Puncture”, Conference: 8th International Conference on Information Visualization, pp 342-345, 2014.

  5. J. Mathews, K.R. Balakrishnan, R. Krishna Kumar, “Noninvasive generation of right ventricle pressure volume loops at bedside: A feasibility study”, Conference: Heart Failure 2014 Congress, Athens, Greece, 17-20 May, 2014.

  6. Hem Rampal, R Krishna Kumar, Balaji Ramanathan, Tara Prasad Das, Complex shock filtering applied to retinal image enhancement, Springer, Berlin, Heidelberg, Book: World Congress on Medical Physics and Biomedical Engineering May 26-31, 2012, Beijing, China, pp: 900-903, 2013.

  7. SVS Suresh, R Krishna Kumar, V Kamakoti, Portable low cost 3 Lead wireless wearable ECG device, Springer, Berlin, Heidelberg, Book: World Congress on Medical Physics and Biomedical Engineering May 26-31, 2012, Beijing, China, pp: 1331-1334, 2013.

  8. P. Sakthivel, K.V.N. Rao, R. Krishna Kumar, “Operational Modal Analysis of tyre road interaction using ABAQUS Explicit and Operational Modal Analysis, Conference: Proceedings of ISMA, Luven, Belgium,  2012.

  9. K. Paranjothi, U. Saravanan, R. Krishna Kumar, K.R. Balakrishnan, “Mechanical Properties of abnormal Human Aortic and Mitral Valves”, Springer New York, Conference: Mechanics of Biological System and Materials, Society of Experimental Mechanics,Vol: 2, pp: 65-72, 2011.

  10. K. Paranjothi, U. Saravanan, R. Krishna Kumar, K.R. Balakrishnan, “Mechanical Properties of Human Saphenous Vein”, Springer New York, Conference: Mechanics of Biological System and Materials, Society of Experimental Mechanics, Vol: 2, pp: 79-85, 2011.

  11. AV Rao, RK Kumar, T Mohandas, GM Reddy, Some Critical Issues in the Finite Element Analysis of Friction Welding, MESHAP SCIENCE PUB, Conference: Metals Materials and Processes, Vol: 19, Issue: ¼, pp.127, 2007.

  12. A Venugopal Rao, R Krishna Kumar, N Ramakrishnan, Workability in Cold Forging: Analysis and Measures, Allied Publishers, Conference: Proceedings of the National Conference on Advanced Manufacturing & Robotics, January 10-11, 2004,pp.399, 2004.

  13. KV Narasimha Rao, R Krishna Kumar, PO Bohara, Prediction of tyre force and moment characteristics during vehicle cornering using finite element techniques, Allied Publishers, Conference: Proceedings of the Third International Conference on Automotive and Fuel Technology, pp.8, 2004.

  14. Somashekhar S Hiremath, M Singaperumal, R Krishna Kumar, Modeling and Investigation on a Jet Pipe Electrohydraulic Flow Control Servovalve, Conference: Proceedings of ASPE 2003 Annual Meeting, Portland, Oregon, USA, pp: 135-138, 2003.

  15. Somashekhar S Hiremath, M Singaperumal, R Krishna Kumar, FE Approach: Electro-Mechanical-Fluid Interaction of Jet Pipe Electrohydraulic Flow Control Servovalve, American Society of Mechanical Engineers, Conference: ASME 2003 International Mechanical Engineering Congress and Exposition, pp: 189-194, 2003.

  16. Somashekhar S Hiremath, M Singaperumal, R Krishna Kumar, Design Parameters and Their Optimization to Get Maximum Pressure Recovery in Two Stage Jet Pipe Electrohydraulic Servovalve, Conference: SAE Technical Paper, Issue: 2002-01-1462, 2002.

  17. Somashekhar S Hiremath, M Singaperumal, R Krishna Kumar, Stiffness analysis of feedback spring and flexure tube of jet pipe electro-hydraulic servo valve using finite element method, Conference: Proceedings of ASME FEDSM'02, pp: 1-6, 2002.

  18. AV Rao, RK Kumar, Evaluation of workability in cold forging., ICAMMP-2002: Conference: International Conference on Advances in Materials Processing, pp: 321-325, 2002.

  19. SN Kurbet, R Krishna Kumar, Finite Element Modeling of Piston-Ring Dynamics and Blowby Estimation in Single-Cylinder IC Engine, American Society of Mechanical Engineers, Conference: ASME 2002 Internal Combustion Engine Division Fall Technical Conference pp: 481-487, 2002.

  20. S Hiremath Somashekhar, M Singaperumal, R Krishna Kumar, Stiffness Analysis of Feed Back Spring and Flexure Tube of Jet Pipe Electrohydraulic Servovalve Using Finite Element Method, American Society of Mechanical Engineers, Conference: ASME 2002 Joint US-European Fluids Engineering Division Conference pp: 1333-1338, 2002.

  21. Shivakant N Kurbet, R Krishna Kumar, Mechanics and Stress Analysis of Piston Ring In Multibody Single Cylinder Internal Combustion Engine-Fe Analysis, Conference: SAE Technical Paper, Issue: 2001-01-3371, 2001.

  22. S Ashok, S Sriram, RK Kumar, P Beiss, Simulation of compaction cracks in parts with large variation EV cross section, PM 2 TEC 2001: 2001, Conference: International Conference on Powder Metallurgy & Particulate Materials, 2001.

  23. S Ashok, K Murali, R Krishna Kumar, P Beiss, Material selection for PM gears to be used in two wheeler transmission application, Conference: SAE Technical Paper, Issue: 1999-01-0335, 1999.     

  24. D Roshan Kumar, V Andrew Denise, R Krishna Kumar, S Ashok, Simulation of surface densification of PM gears, Conference: SAE Technical Paper, Issue: 1999-01-0334, 1999.

  25. G Rengarajan, R Krishna Kumar, JN Reddy, Numerical modeling of shape memory behavior using a continuum constitutive model, International Society for Optics and Photonics, Conference: Smart Materials, Structures and MEMS, pp: 830-841, 1998.

  26. R Krishna Kumar, G Rengarajan, JN Reddy, Finite element analysis of pseudoelastic behavior of shape memory alloys using a micromechanics based constitutive model, Conference: University of California, Los Angeles, CA (United States), Issue: CONF-950686--, 1995.

  27. R Visweswaran, R Krishna Kumar, MR Praresh, O Prabhakar, Damage curve approach in fatigue using acoustic emission technique, Conference: ICF7, Houston (USA) 1989, 1989.

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