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LIST OF RESEARCH PAPERS

Bio-Mechanics / Bio-Mathematics

1) P.Chaturani and R.Ponnalagarsamy, A Two Layered Model for Blood Flow Through Stenosed Arteries, Proc. 11th National Conference on Fluid Mechanics and Fluid Power, pp.16-22,1982.

2) P.Chaturani and R.Ponnalagarsamy, Blood Flow Through Stenosed Arteries,

Proc. of First International Conference on Physiological Fluid Dynamics, pp.63-67. 1983.

3) P.Chaturani and R.Ponnalagarsamy, Analysis of Pulsatile Blood Flow Through

Stenosed Arteries and Its Applications to Cardiovascular Diseases, Proc. 13th National Conference on Fluid Mechanics and Fluid Power, pp.463-468, 1984.

4) P.Chaturani and R.Ponnalagarsamy, A study of Non-Newtonian Aspects of

Blood Flow through stenosed Arteries and Its Applications in Arterial Diseases, Biorheology, 22(1985)521.

5) P.Chaturani and R.Ponnalagarsamy, Dilatancy Effects of Blood on Flow

Through Arterial Stenosis, Proc. Indian Soc. Theo. Appl. Mech. (ISTAM), pp.87-96, 1986.

6) P.Chaturani and R.Ponnalagarsamy, Pulsatile Flow of Casson's fluid Through

Stenosed Arteries with Applications to Blood Flow, Biorheology, 23(1986)499.

7) R.Ponnalagarsamy, Peristaltic Flow of Generalized Visco-plastic Fluids in Tubes with Varying Cross-sections and Its Implications, Biorheology, 23(1986)223.

8) R.Ponnalagarsamy, Effects of Peripheral Plasma Layer, size and shape of

Stenosis and Blood Rheology on Flow Through an Artery, Biorheology, 23(1986)222.

9) P.Chaturani and R.Ponnalagarsamy, A Two Layered Model for Blood Flow

Through Stenosed Arteries with Axially Variable Slip Velocity at the wall, Biorheology, 23(1986)218.

10) R.Ponnalagarsamy and G.Christopher, Dispersion of Biological Substance in

Blood Flow, 34th ISTAM Congress, India, 1990 (Accepted for presentation).

11) R.Ponnalagarsamy, Bio-Fluid Mechanics of Heart Diseases, Proc. of Three Day Seminar on Applications of Mathematics in various Disciplines, Seethalakshmi Ramaswami College, India, pp.60-68, 1991.

12) R.Ponnalagarsamy, "Effect of Non-Newtonian behaviour of Blood on Optimal Geometry of Vascular Bifurcation ", Biorheology, 29(1992)66.

13) R.Ponalagusamy, "A non-Newtonian model for pulsatile flow of Blood Through

an Artery with mild stenosis", Proc. Int. Conf. on Mathematical modeling, University of Roorkee, India, p. 6, 2001.

14) R.Ponalagusamy, Blood Flow Through an Artery with Mild Stenosis: A Two-

layered Model, Different Shapes of Stenoses and Slip velocity at the Wall, Journal of Applied Sciences, 7(2007)1071.

15) R.Ponalagusamy, Role of Pulsatility on Blood Flow in an Arterial Stenosis,

Journal on Research, 2005(Communicated).

16) R.Ponalagusamy, R.Tamil Selvi and A.K.Banerjee, Investigation on Pulsatile Flow of non-Newtonian Fluid in an Artery with Mild Stenosis and its Implications to Blood Flow, International Journal of Science and Technology, 2006(Communicated).

Computational Fluid Mechanics/Dynamics

17) R.Ponnalagarsamy and M.Kawahara, A finite ELement Analysis of Laminar Unsteady Flows of Viscoelastic Fluids Through Planar Abrupt Expansions/Contractions, International Conference on Computational Methods in Flow Analysis, Okayama University of Science, Japan, pp.288-295, 1988.

18) R.Ponnalagarsamy and M.Kawahara, A Finite Element Analysis of Laminar

Unsteady Flows of Viscoelastic Fluids Through channels with Non-uniform cross-sections, International Journal for Numerical Methods of Fluids, 9(1989)1487.

19) N.P.Gopalan and R.Ponnalagarsamy, "Investigation on Laminar Flow of a

Suspension in Corrugated Straight Tubes", International Journal for Engineering Science, 30(1992) 631.

20) R.Ponalagusamy and N.P.Gopalan, "Numerical Study on Steady State, Three

Dimensional Atmospheric Diffusion of Sulphur Dioxide and Sulphate Dispersion with Non-linear Kinetics", Computational Fluid Dynamics ( An International Journal), 1(1993)339.

21) K.Murugesan, R.Ponalagusamy and A.K.Banerjee, "Analysis of Electrical

Network using the Single Term Walsh Series Method",Scientia Iranica (Int.J.Sci. and Tech.), 15 (1994)222.

22) R.Ponalagusamy, Numerical Algorithm of STWS for Generalized Linear Non-

Singular/Singular Time Varying Systems, Proc. of International 1995 AMSE Conference Rabat, France, October 9-11, 1995 (Paper's code no.16H10 AS6).

23) R.Ponalagusamy, C.Ohkubo and M.Asano, Numerical Analysis on Effect of

Non-Newtonian Behaviour of Blood on Optimal Geometry of Microvascular Bifurcation, Medical and Technical Report No. 24, p.45, The Institute of Public Health, Tokyo, Japan, 1997.

24) R.Ponalagusamy, K.Murugesan D.Paul Dhayabaran and E.C.Henry Amirtharaj, Numerical Solution of Heat-flow Problem by a Combined method of Rayleigh Ritz with STWS and RKHM, AMSE Journal(France), 38(2001)29, No. 2.

25) R.Ponalagusamy, Numerical Simulation of Polymer Flow Through a Channel

with Sudden Expansion using Finite Element Mehtod , Proc. of National Conference on Fluid Flow and Control (NCFC-2004), UGC-DRS Centre for Fluid Dynamics , Bharathiyar University, Tamilnadu , India, March 1617,2004.

Computer Models on Metal Forming

26) R.Narayanasamy and R.Ponalagusamy, "Formability of Austenitic stainless steel sheets during drawing through a Tractrise die", Abstract accepted for the Conf. on Stainless Steel Congress, Italy - 1998.

27) R.Narayanasamy and R.Ponalagusamy, A mathematical Theory of Plasticity

for Compressible P/M materials, Journal of Material Processing Technology, 86(1999)59.

28) R.Narayanasamy and R.Ponalagusamy, A mathematical Theory of Plasticity

for Compressible P/M materials-Part II, Journal of Material Processing Technology, 96(2000)110.

29) R.Narayanasamy and R.Ponalagusamy, A mathematical Theory of Plasticity

for upsetting of Compressible P/M materials, Journal of Material Processing Technology, 97(2000)107.

30) R.Narayanasamy, S.Sathiyanarayanan and R.Ponalagusamy, "Uniaxial Tensile

behaviour of ZM-21 magnesium alloy at room temperature, Journal of Materials Processing Technology, 102(2000)56.

31) R.Narayanasamy, S.Sathiyanarayanan and R.Ponalagusamy, "A Study on

Barrelling in Magnesium alloy solid cylinders during Cold upset forming", Journal of Materials Processing Technology, 101(2000)64.

32) R.Narayanasamy and R.Ponalagusamy, A mathematical Theory of Plasticity

for Compressible P/M materials-Part III, Journal of Material Processing Technology, 100(2000)262.

33) R.Narayanasamy and R.Ponalagusamy, Yield behaviour of porous sintered

P/M Metals, Presented in ISTAM International congress held in Dec 2000, MEPCO Engineering College, Sivakasi, INDIA,2000.

34) S.Raghuraman, P.Srinivasan, R.Narayanasamy and R.Ponalagusamy, "Theoretical

Prediction of Limiting Draw Ratio for Cup-drawing Process", Metals, Materials and Processes (An International Journal), 12(2000) 337.

35) R.Narayanasamy, V.Pakkirisamy, and R.Ponalagusamy, "Drawing Behaviour of

some Stainless Steels Sheets when drawn through a Tapered Die", Proc. of Int. Conf. on Manufacturing, ICM 2000, BUET, Dhaka, p.424, 2000.

36) P.Srinivasan, R.Venkatesan, R.Narayansamy, and R.Ponalagusamy, "Computer

Aided Design of Streamlined Extrusion Dies for Square Cross sections", Proc. of National Seminar on Advances in Metal Forming METFORM-2000, p. 89, 2000.

37) R.Narayanasamy, R.Ponalagusamy and K.R.Subramanian, "Generalized Theory

of Porous sintered P/M metals", Journal of Material Processing Technology, 110(2001)182.

38) R.Venkatesan, P.Srinivasan, R.Narayanasamy and R.Ponalagusamy, Computer-

aided Metal Flow Analysis in various types of Extrusion dies, International Conference on Research and Development in Net Shape Manufatcturing, April 9-11, 2001, The University of Birmingham, Edgbaston, Birmingham, U.K.

39) R.Ponalagusamy, R.Narayanasamy, R.Venkatesan and P.Srinivasan, Computer Aided Metal Flow Analysis in the Streamlined Extrusion Dies, Proceedings of Nat. Conf. On Recent Advances in Materials Processing (RAMP 2001), Sep. 7-8, p. 271, 2001.(Preliminary version).

40) R.Ponalagusamy, R.Narayanasamy and S.Raghuraman, The effect of Strain

Rate Sensitivity on Theoretical Limiting Draw Ratio for Cup Drawing Process, Metals, Materials and Processes, (An International Journal), 13(2001)49.

41) R.Ponalagusamy, R.Narayanasamy, R.Venkatesan, Metal flow Analysis in

Extrusion Dies, ICME 2001, Dhaka, Bangladesh, Dec 24-26, 2001.

42) R.Ponalagusamy, R.Narayanasamy and P.Srinivasan, Theoretical Performance Comparison of Streamlined Extrusion Dies Designed by Various Methods, Proc. of International Conf. on Mechanical Engg.(ICME 2001),BUET, Dhaka, Bangladesh, Dec. 2001.

43) R.Ponalagusamy, R.Narayanasamy and P.Srinivasan, Experimental

Investigation on Performance of Streamlined Extrusion Dies, Proc. of Nat. Conf. on Processing of Metals, PSG College of Technology, Coimbatore, India, p. 254, 2002.

44) R.Ponalagusamy, R.Narayanasamy, R.Venkatesan, Computer Aided Metal Flow

Analysis in Streamlines Extrusion Dies for Hexagonal Cross-section, Proc. of Nat. Conf. on Processing of Metals, PSG College of Technology, Coimbatore, India, p. 461, 2002.

45) R.Ponalagusamy, R.Narayanasamy and P.Srinivasan, Design of Streamlined

Extrusion Dies for Non Polygonal Sections, Proc. of International Conf. on FIAM 2002, Dresdan University, Germany, 2002.

46) R.Ponalagusamy, R.Narayanasamy and R.Raguraman, Effect of Process

Parameters That Affect Limiting Draw Ratio for Cup Drawing Process, Proc. of Nat. Conf. on Processing of Metals, PSG College of Technology, Coimbatore,India, P.201,2002.

47) R.Ponalagusamy and R.Narayanasamy, Finite Element Method For Analysis of

Open-Die Forging of sintered Cylindrical Billets, Proc. of National Conf. on Material Processing and Failure Analysis, National Institute of Technology, Tiruchirappalli, India, 2003.(Accepted).

48) R.Ponalagusamy, R.Narayanasamy and R.Vengatesan, Computer Aided Metal Flow Analysis in Off-Centric Extrusion Dies, 20th Proc. of All India Manufacturing Technology Design and Research Conf. BIT, Ranchi, India, Dec. 13-15, 2002, p.403.(Short Paper.)

49) R.Ponalagusamy and K.R.Subramanian, The Effect of New Generalised Yield

Creterion on the Prediction of Forming Limit Stress and Strain in Sheet Metals, Unpublished Technical Report - Included in Ph.D.Thesis (of K.R.Subramanian) Under My Guidance, 2003.

50) R.Ponalagusamy, R.Narayanasamy and R.Venkatesan, Extrusion Die Profile

Optimization using Genetic Algorithm, Proc. National Conf. on Modelling and Simulation in Manufacturing, Annamalai University,India, pp.A22-A27, 2003.

51) R.Ponalagusamy and K.R.Subramanian, Wrinkling Criteria for an Anisotropic

Shell in Sheet Metal Forming, Unpublished Technical Report Included in Ph.D.Thesis (of K.R.Suramanian) Under My Guidance, 2003.

52) R.Ponalagusamy and K.R.Subramanian, A New Form of Generalised Theory of

Porous Sintered P/M Metals, Unpublished Technical Report Included in Ph.D.Thesis (of K.R.Suramanian) Under My Guidance, 2003.

53) R.Ponalagusamy, R.Narayanasamy and K.R.Suramanian, Theory of Plasticity

for P/M Porous Metals, Trans. Indian Institute of Metals, Indira Gandhi Center for Atomic Research, Kalpakkam, India, 2003.(Accepted).

54) R.Ponalagusamy, R.Narayanasamy and P.Srinivasan, Computer Aided Design of

Streamlined Extrusion Dies for Re-entry Sections, Trans. Indian Institute of Metals, Indira Gandhi Center for Atomic Research, Kalpakkam, India, 2003.(Accepted).

55) R.Ponalagusamy, R.Narayanasamy and R.Venkatesan, Theoretical Comparison

of Metal Flow in Streamlined Extrusion Die with Off-Centric Extrusion Die, Trans. Indian Institute of Metals, Indira Gandhi Center for Atomic Research, Kalpakkam, India, 2003.(Accepted).

56) R.Ponalagusamy, R.Narayanasamy and S.Raghuraman, The Effect of Coefficient

Friction on Theoretical Limiting Draw Ratio for Cup-Drawing Process, Trans.

Indian Institute of Metals, Indira Gandhi Center for Atomic Research, Kalpakkam, India, 2003.(Accepted)

57) R.Ponalagusamy, R.Narayanasamy and S.Raghuraman, The Effect of Relative

Density on Theoretical Limiting Draw Ratio for Cup-Drawing Process, Trans. Indian Institute of Metals, Indira Gandhi Center for Atomic Research, Kalpakkam, India,2003.(Accepted).

58) R.Ponalagusamy, R.Narayanasamy and R.Vengatesan, Optimization of

Extrusion Die Profile Using Genetic Algorithm, Proc. of National Conf. on Materials Processing and Failure Analysis, National Institute of Technology, Tiruchirappalli, India, 2003.(Accepted).

59) R.Vengatesan, R.Narayanasamy and R.Ponalagusamy, Application of Genetic Algorithm and Simulated Annealing for Optimization of Extrusion Die Ratio and Die Cone Angle, Proc. 12th International Scientific Conference Achievements in Mechanical and Materials Engineering (AMME-2003), held at Poland, 2003,p.1001.(Short Paper).

60) R.Ponalagusamy, R.Narayanasamy and K.R.Subramanian, A Plastic

Deformation of P/M Porus Metals, Proc. of National Conf. on Modeling and Analysis of Production Systems , National Institute of Technology, Tiruchirappalli, India, 2004.(Accepted).

61) R.Ponalagusamy, R.Narayanasamy and T.Sathyanarayanan , Formability of

Stainless Steel, Proc. Of National Conference on Recent Advances in Manufacturing Engineering, National Engineering College, Tamilnadu, India, January 2004, p. 87.

62) R.Narayanasamy, R.Ponalagusamy, R.Venkatesan and P.Srininivasan, An Upper

Bound Solution to Extrusion of Circular Billet to Circular Shape through Cosine Dies, 14th International Conference on Flexible Automation and Intelligent Manufacturing(FAIM-2004), held at Ryerson University, Toronto, Canada,(Preliminary version), p.611,2004.

63) R.Ponalagusamy, R.Narayanasamy and S.Raghuraman, A Theoretical Study for

Role of Strain Rate Sensitivity on Maximum Drawing Load in Cup Drawing Process, Proc. 21st AIMTDR Conference, pp.288-295, 2005.

64) R.Ponalagusamy, R.Narayanasamy and R.Vengatesan, Computer Aided Metal

Flow Analysis in Off-Centric Extrusion Dies, International Journal on Manufacturing Technology and Research, 1(25)2005.

65) R.Ponalagusamy, R.Narayanasamy and P.Srinivasan, Design and Development of Streamlined Extrusion Dies - A Bezier Curve Approach, Journal of Material Processing Technology , 161( 2005)375.

66) R.Ponalagusamy, R.Narayanasamy and R.Venkatesan, Extrusion Die Profile and

Extrusion Pressure Optimization Using Genetic Algorithm, Journal of The Institution of Engineers, Singapore, 45(2005)1.

67) R.Narayanasamy, R.Ponalagusamy, R.Venkatesan and P.Srininivasan, An Upper

Bound Solution to Extrusion of Circular Billet to Circular Shape through Cosine Dies, Materials and Design (An International Journal), 27(2006)411.

68) R.Ponalagusamy, R.Narayanasamy and S.Senthilkumar, Finite Element

Simulatio...