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Vinod Arya, Ph.D.

Professor and Chair

Department of Mathematics and Computer Science

Fayetteville State University, Fayetteville, NC-28301

Office: SBE-338   

Phone: (910) 672-1294   

FAX: (910) 672-1070    

Email: varya@uncfsu.edu

Research Interests

Applied Mathematics, Computational Mathematics, Numerical Methods, Computational Mechanics, Applied Mechanics.

Professional Experience

·         Professor and Chair, Department of Mathematics and Computer Science, Fayetteville State University, North Carolina.

·         August 2006 - Present

·         Professor and Chair, Department of Mathematics and Natural Sciences, Virginia Union University Richmond, VA 23220

·         August 2004 – May 2006

·         Professor/Associate Professor (Visiting, Teaching and Research), Department of Mathematical Sciences, The University of Akron/NASA-Lewis Research Center, Cleveland.

·         Dec. 1994 – Jan. 2006

·         Senior Resident Associate, Department of Mechanical Engineering, University of Toledo/NASA-Lewis Research Center, Cleveland.

·         Dec. 1988 – Nov. 1994

 

·         NASA/NRC Senior Research Associate, NASA-Lewis Research Center, Cleveland

·         Sept. 1986 - Nov. 1988

·         Visiting Scientist, Nuclear Research Center, Karlsruhe, Germany

·         June 1985 - Aug 1986

·         Assistant Professor, I.I.T., Roorkee, India. 

·         Jan 1976 - May 1985

·         Visiting Scientist, Nuclear Research Center, Karlsruhe, Germany.  (On leave from I.I.T., Roorkee, India.)

·         June 1980 – Nov. 1981

·         Assistant Professor, Regional College of Education, Bhopal, India

·         Dec. 1975 - Jan. 1976

·         Scientists’ Pool Officer, I.I.T., Roorkee, India. 

·         March 1975 - Nov. 1975

·         Research Fellow, I.I.T., Roorkee, India.  

·         Aug. 1970 - Feb. 1975

Honors/Awards/Recognitions 

  1. Letter of recognition from the Director, NASA-Glenn Research Center, Cleveland, Ohio for meritorious achievements. June 2003.

  2. Recipient of team award for Commercialization of NASA Developed Probabilistic Tools, Structures and Acoustics Division, NASA-Glenn Research Center, Cleveland, Ohio, May 2003.

  3. Certificate of Recognition from the Director, NASA-Lewis Research Center, Cleveland, Ohio for contributions and superior performance in achieving NASA’s Advanced Earth-to-Orbit Propulsion Program, 1993. 

  4. Letter of Recognition in achieving NASA’s HSR/EPM (High Speed Research/ Enabling Propulsion Materials Program), 1996.

  5. Listed in Who is Who in Science and Engineering, USA, 1997.

  6. Listed as Man of Achievement by International Biographical Centre, England, 1998.

  7. Listed in Who is Who in Science and Engineering, 1998.

  8. Listed in Outstanding Scientist of the 20th Century by the International Biographical Centre, England, 1998.

  9. Member of International Scientific Committee of International Conference on Computational Engineering Sciences, 1997.

  10. Distinguished Service Medal Award  from ICES Committee, 1995.

  11. Member of International Scientific Committee of International Conference on Computational Engineering Sciences, 1995.

  12. Presented an invited paper and chaired a session at the 32nd Annual Technical Meeting of Society of Engineering Sciences, New Orleans, 1995.

  13. Member of International Scientific Committee of International Conference on Computational Engineering Sciences, 1992.

  14. Recipient of the prestigious NRC‑NASA Research Associateship (Senior) award, 1986.

  15. Listed in Reference Asia, 1984.

  16. Commended as MAN OF ACHIEVEMENT by International Biographical Center, Cambridge, England in 1980 and 1983 for distinguished academic achievements.

  17. Listed in International Book of Honor, USA in 1982 and 1983 for academic merits.

  18. Presented a research paper at the 15th International Congress of Theoretical and Applied Mechanics, Toronto,1980. Got an award of $740.00 from the Congress Committee.

  19. Recipient of a prize and Certificate of Merit for securing Second Position in the University in Master's examination.

Research Projects and Funding

1. Numerical Analysis and Modeling for Advanced Structural and Life Analyses of Aerospace Components. Period: June 1, 2003 – January 31, 2006. Awarding Agency: NASA Glenn Research Center, Cleveland. Amount: $ 420000.00 .

Co-Principal Investigator: Dr. Ali Hajjafar, The University of Akron.

2.  Computer Grant. Period: September 2003.  Awarding Agency: The University of Akron, Akron. Amount: $ 3000.00 . Co-Principal Investigator: Dr. Ali Hajjafar, The University of Akron.

3.  Numerical Analysis and Modeling for Advanced Structural and Life Analyses of Aerospace Components. Period: August 19, 2003 – January 31, 2006. Awarding Agency: NASA Glenn Research Center, Cleveland. Amount:$ 57000.00 . Co-Principal Investigator: Dr. Ali Hajjafar, The University of Akron

4.  Advanced Structural, Impact and Life Analyses of Aerospace Components. Period: March 1, 2002 – February 28, 2004. Awarding Agency: NASA Glenn Research Center, Cleveland.  Amount: $ 139102.00. Co-Principal Investigator: Dr. Ali Hajjafar, The University of Akron.

5.  Advanced Structural, Impact and Life Analyses of Aerospace Components. Period: March 1, 2002 – February 28, 2003. Awarding Agency: NASA Glenn Research Center, Cleveland. Amount:$35000.00 . Co-Principal Investigator: Dr. Ali Hajjafar, The University of Akron.

6.  Advanced Structural, Impact and Life Analyses of Aerospace Components. Period: March 1, 2002 – February 28, 2003. Awarding Agency: NASA Glenn Research Center, Cleveland. Amount:$ 25000.00. Co-Principal Investigator: Dr. Ali Hajjafar, The University of Akron.

7.  Advanced Structural, Impact and Life Analyses of Aerospace Components. Period: January 23, 2001-Janaury 22, 2002. Awarding Agency: NASA Glenn Research Center, Cleveland. Amount: $133462.00 Co-Principal Investigator: Dr. Ali Hajjafar, The University of Akron.

8.  Advanced Structural, Impact and Life Analyses of Aerospace Components.

Period: May 16, 2001 – February 25, 2002. Awarding Agency: NASA Glenn Research Center, Cleveland. Amount: $10000.00. Co-Principal Investigator: Dr. Ali Hajjafar, The   University of Akron.

9.Advanced Structural, Impact and Life Analyses of Aerospace Components. Period: January 23, 2000 – January 22, 2001. Awarding Agency: NASA Glenn Research Center, Cleveland. Amount: $ 127855.00. Co-Principal Investigator: Dr. Ali Hajjafar, The University of Akron.

10. Advanced Structural, Impact and Life Analyses of Aerospace Components.

Period: September 8, 2000 – January 22, 2001. Awarding Agency: NASA Glenn Research Center, Cleveland. Amount: $4000.00.Co-Principal Investigator: Dr. Ali Hajjafar, The University of Akron.

11. Advanced Finite Element Analyses and Life Prediction Methodology for Aerospace Components.           Period: January 23, 1997 – January 22, 2000. Awarding Agency: NASA Lewis Research Center, Cleveland. Amount: $135030.00 (January 23, 1997-January 22, 1998); $117425.00 (January 23, 1998-Janaury 22, 1999); $123420.00 (January 23, 1999-January 22, 2000). Co-Principal Investigator: Prof. D. C. Buchthal, The University of Akron.

12. Advanced Finite Element Analyses and Life Prediction Methodology for Aerospace Components.           Period: June 1999 - August 1999. Awarding Agency: NASA Lewis Research Center, Cleveland. Amount: $ 2700.00.Co-Principal Investigator: Prof. D. C. Buchthal, The University of Akron.

13. Development of Life Prediction Methodology and Efficient Finite Element Analysis Techniques for Application to Aerospace Components. Period: December 1, 1994 - January 22, 1997. Awarding Agency: NASA Lewis Research Center, Cleveland.  Amount: $ 192917.00. Co-Principal Investigator:  Prof. D. C. Buchthal, The University of Akron.

14. Development and Application of Viscoplastic Models in Finite Element Analyses of Structural Components - The University of Toledo/NASA-Lewis Research Center, Cleveland, Ohio. (1988-1994). (Key Researcher-Vinod Arya, PI-Prof. T.G. Keith).

15. Development and Application of Viscoplastic Models in Finite Element Analyses of Structural Components - NRC/NASA-Lewis Research Center, Cleveland, Ohio. (1986-1988). (Key Researcher: Vinod Arya, Grant Monitor: Dr. G.R. Halford).

16. Creep Deformation of Structural Components - University Grants Commission, India. Effect of Creep on Stress Distribution and Rupture of Structural Parts. Council of Science and Technology, India.

17. Stress Analysis for Rational Design of Machine and Structural Components Operating Under Creep Conditions - Council of  Scientific and Industrial Research, India.

18. Creep Analysis of Structural Parts Used in Nuclear Technology - Department of Atomic Energy, India.    

(Period of 17 through 19: 1976-85).

Organization of International Conferences

·         Organizer of International Symposium on ‘INELASTIC DEFORMATION, DAMAGE AND LIFE ANALYSIS 08’, Honolulu, HI, 2008.

·         Organizer of International Symposium on ‘INELASTIC DEFORMATION, DAMAGE AND LIFE ANALYSIS 05’, Chennai, India, 2005.

·         Organizer of International Symposium on ‘INELASTIC DEFORMATION, DAMAGE AND LIFE ANALYSIS 03’, Corfu, Greece, 2003.

·         Organizer of International Symposium on ‘INELASTIC DEFORMATION, DAMAGE AND LIFE ANALYSIS ‘2K’, Los Angeles, 2000.

·         Invited to organize sessions and also to deliver a Plenary Lecture at PLASTICITY – 99, Mexico, 1999.

·         Organizer of International Symposium on ‘INELASTIC DEFORMATION, DAMAGE AND LIFE ANALYSIS ‘98’, ATLANTA, 1998.

·         Organizer of International Symposium on ‘INELASTIC DEFORMATION, DAMAGE AND LIFE ANALYSIS ‘95’, COSTA RICA, 1997.

·         Organizer of an International Symposium on 'INELASTIC DEFORMATION, DAMAGE AND LIFE ANALYSIS', Hawaii, 1995.

·         Organizer of an International Symposium on 'VISCOPLASTICITY ‑ THEORY AND APPLICATIONS', Hong Kong, 1992.

Sessions Chaired at International Conferences

1. Chair two Sessions at 2nd Joint International Computational Engineering (KMCM-08) Conference, Vancouver, Canada, 2008.

2. Chair a session at the International Conference on Computational Engineering and Sciences ICES ’08, Honolulu, Hi, 2008.

3. Chair a session at the International Conference INCCOM-6 , Kanpur, India, Dec. 2007.

4. Chaired a session at the International Conference on Computational Engineering and Sciences ICES ’05, Chennai, India, Dec.05.

5. Chaired a session at the International Conference on Recent Advances in Composite Mechanics- 2004, Benares, India.

6. Chaired a session at the International Symposium-PLASTICITY ’02, Aruba, 2002.

7. Chaired a session at the International Symposium on ‘INELASTIC DEFORMATION, DAMAGE AND LIFE ANALYSIS ‘2K’,

    Los Angeles,2000.

8. Chaired a session at the International Conference on Computational Engineering Sciences (ICES ’98), Atlanta, 1998.

9. Chaired a session at the Engineering Mathematics and Applications Conference,  EMAC ’98 Adelaide,  Australia, 1998.

10.Chaired a session at the International Conference on Computational Engineering Sciences (ICES ’97), Costa Rica, 1997.

11.Chaired a session at the 32nd Annual Meeting of the Society for Engineering Sciences, New Orleans, USA, 1995.

12.Chaired a session and presented a paper at International Conference on Computational Engineering Sciences (ICES '95), Hawaii, 1995.

13.Chaired a session and Member of Panel Discussion Team at the International Seminar on Inelastic analysis, Fracture and Life Prediction, Paris, France, August 1993.

14.Chaired a session at the International Symposium-PLASTICITY ’93, Baltimore, MD, 1993.

15.Chaired a session and Presented a paper at International Conference on Computational Engineering Sciences (ICES '92), Hong Kong, 1992.

16.Chaired a session at the 22nd Midwestern Mechanics Conference,   Rolla, MO, USA, Oct. 1991.

17.Chaired a session at the International Symposium - PLASTICITY- 91,  Paris, France, 1991.

18.Invited to Chair a session at FEMCAD-89, Paris, France, 1989.

19.Chaired a session at the International Symposium - PLASTICITY-89, Tsu, Japan, 1989.

20.Invited to Chair a session and present a paper at the PVP-ASME Conference, Orlando, USA, 1982.  

Invited and Key-Note Lectures

1. 2nd Joint International Conference on Computational Engineering (KMCM-08), Vancouver, Canada, 2008.

2. International Conference on Computational Engineering and Sciences ‘08, Honolulu, HI, 2008.

3. International Conference INCCOM-6, Kanpur, India, Dec. 2007.

4. International Conference on Computational Engineering and Sciences, Chennai, India, 2005.

5. International Conference on Recent Advances in Composites, Benares, India, 2004.

6. Indira Gandhi Centre for Atomic Research, Kalpakkam, India, 2000.

7. University of Adelaiade, Adelaide, Australia, 1998.

8. University of Sydney, Sydney, Australia, 1998.

9. University of Waikato, Hamilton, New Zealand, 1998.

10.Kent State University, Kent, USA, 1997.

11.Hahn Meitner Institute and Technical University of Berlin, Berlin, Germany, 1996.

12.Technical University of Darmstadt, Darmstadt, Germany, 1996.I

13.Indira Gandhi Centre for Atomic Research, Kalpakkam, India, 1996.

14.The University of Akron, Akron, USA, 1994.

15.European Joint Research Centre, Ispra, Italy, 1994.

16.Hahn Meitner Institute and Technical University of Berlin, Berlin, Germany, 1993. Institute for Materials Research IV, Karlsruhe, Germany, 1990.

17.Institute for Materials Research II, Karlsruhe, Germany, 1984.

18.Riso National Laboratory, Rosekilde, Denmark, 1984.

International Professional Visits and Assignments

·         WEST GERMANY               June 1980 to November 1981. August to September 1984. June 1985 to July 1986.

                                               June 1990.  August 1993.  August 3 -18, 1996. December 14-30, 1996.

·         ENGLAND                         May 1981,  November 1986.

·         CANADA                          August 15 to 23, 1980, July 2008

·         DENMARK                         August 19 to 25, 1984.

·         FRANCE                           August 1981. August 1987. July to August 1988. August 1993.

·         SWITZERLAND                  August 1987.

·         JAPAN                             July 28 to August 5, 1989.

·         SPAIN                             September 1989. April 1992.

·         INDIA                              July 1990, August 1996 , Dec. 2000, Dec. 2004, Dec. 2005, and Dec. 2007

·         HONG KONG                      December 1992.

·         ITALY                              September 1994.

·         COSTA RICA                      May 1997.

·         AUSTRALIA                       July 1998.

·         NEW ZEALAND                   July 1998

·         SINGAPORE                       December 1999, December 2002.

·         ARUBA                             January 2002

·         GREECE                            July 2003.

Presentation in Conferences

1. Invited to present a key-note paper and chair sessions at the 2nd Joint International Conference on Computational Engineering, Vancouver, Canada, 2008. 

2. Invited to present a key-note paper and chaired a session at ICES 08, Honolulu, HI, March 2008.

3. Present a key-note lecture and chair a session at INCCOM-6, Kanpur, India, Dec. 2007.

4. Presented a key-note paper and chaired a session at ICES 05, I.I.T., Chennai, India, Dec. 2005.

5. Presented a key-note paper and chaired a session at ICRACM-04 (sponsored by AFOSR), Benares, India, Dec. 2004.

6. Presented a paper at the ICSSD 02 Conference, Singapore, 2002.

7. Presented a paper at the 5th Annual FAA/Air Force/NASA/Navy Workshop on the Application of Probabilistic Methods to Gas Turbine Engines, Holiday Inn Cleveland West, Westlake, 2001.

8. To present a paper at Space Technology and Applications International Forum-STAIF Conference, Albuquerque, 2002.

9. Presented a paper at the APCOM '99 Conference, Singapore, 1999.

10. Organized an International Symposium, Chaired a session and Presented a paper at I International Conference on Computational Engineering Sciences (ICES ’98), Atlanta, 1998.

11. Presented a paper and chaired a session at the EMAC ’98 Conference, Adelaide, Australia, 1998.

12. Organized an International Symposium, Chaired a session and Presented a paper at International Conference on Computational Engineering Sciences (ICES ’97), Costa Rica, 1997.

13. Presented an invited paper, Chaired a session at the 32nd Annual Meeting of the Society for Engineering Sciences, New Orleans, USA, 1995.

14. Organized an International Symposium, Chaired a session and Presented a paper at International Conference on Computational Engineering Sciences (ICES '95), Hawaii, 1995.

15. Presented a paper at the 2nd EUROMECH conference, Genoa, ITALY, September 1994.

16. Presented a paper, Chaired a session and Member of Panel Discussion Team at International Seminar on Inelastic analysis, Fracture and Life Prediction, Paris, France, August 1993.

17. Organized an International Symposium, Chaired a session and Presented a paper at International Conference on Computational Engineering Sciences (ICES '92), Hong Kong, 1992.

18. Presented a paper at the Third International Conference on Computational Plasticity, Barcelona, Spain, 1992.

19. Presented a paper at the Workshop on Computational Methods in Life Prediction. NASA- Langley Research Center, Hampton, VA, USA, 1992.

20. Presented an invited paper and Chaired a session at the 22nd Midwestern Mechanics Conference, Rolla, MO, USA, Oct. 1991.

21. Presented an invited paper and Chaired a session at the International Symposium PLASTICITY- 91, Paris, France, 1991.

22. Presented a paper at the International Conference on Structural Testing, Analysis and Design, Bangalore, India, July 1990.

23. Presented a paper at the International Conference on Computational Plasticity, Barcelona, Spain, 1989.

24. Invited to Chair a session at FEMCAD-89, Paris, France, 1989.

25. Chaired a session at the International Symposium - PLASTICITY-89, Tsu, Japan, 1989.

26. Presented a paper at the Structural Integrity and Durability of Reusable Space Propulsion Systems, Cleveland, USA, 1989.

27. Presented a paper at the International Seminar on the Inelastic Behavior of Solids-Models and Utilization, Besancon, France, 1988.

28. Presented a paper at the 9th International Conference on Structural Mechanics in Reactor Technology, Laussane, Switzerland, 1987.

29. Attended the workshop on HOST (Hot Section Technology), West Lake, Ohio, 1986. Presented a paper at the Workshop on Continuum Mechanics, Roorkee, 1986.

30. Invited to present a paper at the 8th International Conference on Structural Mechanics in Reactor Technology, Brussels, Belgium, 1985.

31. Presented a paper at the Workshop on Solid Mechanics, Roorkee, 1985.

32. Presented a paper at the 16th International Congress of Theoretical and Applied Mechanics, Lyngby, Denmark, 1984.

33. Invited to Chair a session and present a paper at the PVP-ASME Conference, Orlando, USA, 1982.

34. Attended the 6th International Conference on Structural Mechanics in Reactor Technology, Paris, France, 1981.

35. Attended the ANS/ENS Topical Meeting on 'Advances in Mathematical Methods for the Solution of Nuclear Engineering Problems', Munich, West Germany, 1981.

36. Presented a paper at the 15th International Congress of Theoretical and Applied Mechanics, Toronto, Canada, 1980.

37. Presented a paper at the 45th Annual Session of the National Academy of Sciences, India, 1975.

38. Presented a paper at the 42nd Annual Session of the National Academy of Sciences, India, 1972.

Books Reviewed

1.    Computational Methods in the Mechanics of Fracture.  Atluri, S.N. (ed.). Elsevier Science Publishers, 1986.

2.    The Bending & Stretching of Plates. Mansfield, E.H. Cambridge University Press, 2nd Edition. 1989.

3.    Mechanics of Elastic-Plastic Fracture. Parton, V.G. and Morozov, E.M. Hemisphere Publishing Corporation. 1989.

4.    Computational Techniques and Applications. Hograth, W.L. and Noye, B.J. (eds.). Hemisphere Publishing Corporation.. 1990.

5.    Creep in Structures. Zyckowski, M. (ed.). Springer-Verlag. 1990.

6.    Non-Linear Fracture (Recent Advances). Knauss, W.G. and Rosakis. Kluwer Academic Publishers, 1990.

7.    Plastic Limit Analysis of Plates, Shells and Disks. Save, M.A., Massonet, C.S., and  de Saxce, G. Elsevier, 1997.

8.    Vibrations of Elasto Plastic Bodies. Palmov, B. Springer-Verlag, 1998.

Editing

  1. International Journal - Computational Modeling and Simulation in Engineering  (CMSE), (Publisher - Sage Science Publishers, California, USA).

  2. Proceedings of Workshop on Continuum Mechanics, Roorkee, India. (1986).

Reviewer

·         MATHEMATICAL REVIEWS,

·         APPLIED MECHANICS RE­VIEWS, and

·         ZENTRALBLATT FUR MATHEM­ATIK.

·         Research Proposals for NASA Glenn Research Center.

·         Hundreds of research papers in Applied Mathematics/Applied Mechanics for reputed research journals.

Publications

·         Research: 82. (Journals : 39; Reports : 42)

·         Books/Manuals: Three.

1.  FLAPS (Fatigue Life Analysis Programs) – Computer Programs to Predict Cyclic Life Using the Total Strain Version of StrainRange Partitioning and Other Life Prediction Methods. Users’ Manual and Example Problems. Version 2.0, 2007.

2.  FLAPS- Fatigue Life Analysis Software Manual (Written for NASA-Glenn Research Center), 2003.

3.  Introduction to Matrix Algebra (1976-77). (Written Under Curriculum Development Program, Govt. of India, unavailable). 

Ph. D. Dissertations

·         Supervised*

1.    Stress Analysis in Theory of Creep – K. K. Debnath – 1981, I.I.T., Roorkee, India.

2.    Creep Deformation and Stress Analyses in Some Structural Components - P. S. Kulkarni – 1986, I.I.T., Roorkee, India.

                                         *Co-supervisor: Prof. N. S. Bhatnagar

·         Examined

Automatic Mesh Generation, Error-Estimation and Adaptivity in Finite-Element Analysis of Metal-Forming Processes. Davinder Singh. I.I.T., Delhi, India, 1998. 

M.S. Dissertation

·         Supervised

Probabilistic Finite Element Modeling of Aerospace Engine Components Incorporating Time-Dependent Inelastic Properties for Ceramic Matrix Composite (CMC) Materials. Ian Miller, University of Akron, Akron, Ohio, May 2006.

·         Presided and Examined the M.S. Thesis

Finite element modeling of flexible structures with bonded smart sensors and actuators - Vikram M. Dhruva, University of Akron, USA, 2000.

PUBLICATIONS

Journal Papers

1. Nonsteady Membrane Creep of Anisotropic Circular Plates (with N. S. Bhatnagar). Journal of the Physical Society of Japan. 35, 1212-1217, 1973.

2. Large Strain Creep Analysis of Thick-Walled Cylinders (with N. S. Bhatnagar). International Journal of Nonlinear Mechanics. 9, 127-140, 1974.

2. Creep of Thick-Walled Spherical Vessels Under Internal Pressure Considering Large Strains (with N. S. Bhatnagar). Indian Journal of Pure and Applied Mathematics. 6, 1080-1089, 1975.

3. Anisotropic Creep Under Combined Tension and Torsion (with N. S. Bhatnagar). Journal of the Aeronautical Society of India. 26, 101-103, 1974.

4. Creep of  Thick-Walled Orthotropic Cylinders Subject to Combined Internal and External Pressures (with N. S. Bhatnagar) . Journal of Mechanical Engineering Science. 18, 1-5,1976.

5. Creep Deformation of Symmetrically Loaded Shells of Revolution Under Tresca Yield Criterion and Mises Flow Rule (with N. S. Bhatnagar and S. Kumar). Journal of Structural Engineering. 4, 77-86, 1976.

6. Creep Analysis of Pinjointed Frameworks (with N. S. Bhatnagar and K.K. Debnath). Indian Journal of Technology. 18, 518-519, 1977.

7. Creep Analysis of Rotating Orthotropic Disks (with N. S. Bhatnagar). Nuclear Engineering and Design. 55, 323-330, 1979.

8. Creep of a Thin Orthotropic Circular Plate Containing a Hole at the Center (with N. S. Bhatnagar and K. K. Debnath). Nuclear Engineering and Design. 56, 393-403, 1980.

9. Creep Analysis of Orthotropic Rotating Cylinder (with N. S. Bhatnagar and K.K. Debnath). Journal of Pressure Vessel Technology. 102, 371-377, 1980.

10. The Spherical Vessel With Anisotropic Properties Considering Large Strains (with N. S. Bhatnagar and K.K. Debnath). International Journal of Nonlinear Mechanics. 15, 185-193, 1980.

11. Creep Analysis of Orthotropic Circular Cylindrical Shells (with N. S. Bhatnagar and K. K. Debnath). International Journal of Pressure Vessels and Piping. 11, 167-190, 1983.

12. Creep Analysis of  An Internally Pressurized Orthotropic Rotating Cylinder (with N. S. Bhatnagar and P. S. Kulkarni). Nuclear Engineering and Design. 83, 379-388, 1984.

13. Steady-State Creep of Orthotropic Rotating Disks of Variable Thickness (with N. S. Bhatnagar and P. S. Kulkarni). Nuclear Engineering and Design. 91, 121-141, 1986.

14. Creep Analysis of Orthotropic Rotating Cylinders Considering Finite Strains (with N. S. Bhatnagar and P. S. Kulkarni). International Journal of Nonlinear Mechanics. 21, 61-71, 1986.

15. Analysis of an Orthotropic Thick-Walled Cylinder Under Primary Creep Conditions (with N. S. Bhatnagar and P. S. Kulkarni). International Journal of Pressure Vessels and Piping. 23, 165-185, 1986.

16. On the Creep Deformation, Bulge Behavior and Failure of Zircaloy Tubes. Res Mechanica. 20, 33-52, 1987.

17. Finite Element Implementation of Robinson's Unified Viscoplastic Model and Its Application to Some Uniaxial and Multiaxial Problems (with A. Kaufman). Journal of Engineering Computations, 6, 3, 237-247, 1989.

18. Analytical and Finite Element Solutions of Some Problems Using a Viscoplastic Model. Journal of Computers and Structures, 33, 4, 957-967, 1989.

19. An Elastic-Plastic-Creep and Life Analysis of a Cowl Lip (with G. R. Halford and M. E. Melis). International Journal of Fatigue and Fracture of Engineering Materials & Structures.9, 4, 201-208, 1991.

20. Application of Finite Element Based Solution Technologies for Viscoplastic Structural Analyses. Communication in Applied Numerical Methods.7, 435-444, 1991.

21. Finite Element Analysis of Structural Components Using Viscoplastic Models With Application to a Cowl Lip Problem (with G. R. Halford). Journal of Materials at High Temperatures. 9, 4, 201-208, 1991.

22. Application of a Thermal Life Prediction Model to High-Temperature Alloys, B1900+Hf and  Haynes 188 (with G.R. Halford, J.F. Saltsman and M.J. Verrilli). American Society of Testing Materials, Special Technical Publication No. 1122, 1992.

23. Nonlinear Structural Analysis of Cylindrical Thrust Chambers Using Viscoplastic Models. AIAA Journal of Aerospace Propulsion and Power. 8, 3, 598-604, 1992.

24. Viscoplastic Analysis of an Experimental Cylindrical Thrust Chamber Liner (with S.M Arnold). AIAA Journal,  30, 3, 781-789, 1992.

25. Thermomechanical and Low Cycle Fatigue Life Prediction of Metal Matrix Composites - A Local Stress-Strain Approach (with G. R. Halford). Special Technical Publication No. 1122, American Society for Testing of Materials, pp 107-119, 1992.

26. Reduction of Thermal Residual Stresses in Advanced Metallic Composites Based upon a Compensating/Compliant Layer Concept (with  S. M. Arnold). Journal of Composite Materials. 26, 9, 1287-1309,  1992.

27. Finite Element Analysis of Structural Engineering Problems Using a Viscoplastic Model Incorporating Two Back Stresses (with G. R. Halford). ASME Journal of Engineering for Gas Turbines and Power, 117, 2, pp. 377-383, 1995.

28. Efficient and Accurate Explicit Time-Integration Algorithms with Application to  Viscoplastic  Models. International Journal of Numerical Methods in Engineering,  39, pp. 261-279, 1996.

29. Large Displacement Structural Durability Analyses of Simple Bend Specimen Emulating  Rocket Nozzle Liners (with G. R. Halford and L. J. Westfall). AIAA Journal of Propulsion and Power. 12, 1, 1996.

30. Structurally-Compliant Rocket Engine Combustion Chamber - Experimental/Analytical Validation (with R.S. Jankovsky, J. M. Kazaroff, and G.R. Halford). AIAA Journal of Spacecraft and Rockets, 32,4, pp. 645-652, 1995.

31. Kinetics of Oxidation and Cracking and Finite Element Analyses of MA956 and  MA956/Sapphire Composite System (with K. N. Lee, G. R. Halford and C. A. Barrett). Metallurgical and Materials Transactions A, 27A, 3279-3291, Oct.  1996.

32. Analyses of Oxide Layer Cracking Patterns of MA956 and MA956/Sapphire Composite Systems (with G. R. Halford).  Contemporary Research in Engineering Science (ed. Batra, R.C.), pp. 41-54, Springer, 1995.

33. Thermal Strain Fatigue Modeling of a Matrix Alloy for a Metal Matrix Composite. ASTM-STP 1371. (Eds. Shitoglu and Maier), 1999.

34. Thermal Strain Fatigue Modeling of MMC’s (with G. R. Halford and B. A. Lerch). ASTM Symposium on Thermomechanical Fatigue Behavior of Materials,  Norfolk, VA, November 4-5, 1998.

35. NASA-GRC Fatigue Crack Initiation Life Prediction Models* (with Halford, G. R.): Presented at the 5th Annual FAA/Air Force/NASA/Navy Workshop on the Application of Probabilistic Methods to Gas Turbine Engines, Holiday Inn Cleveland West, Westlake, 2001.

36. Structural Analyses of Stirling Power-Convertor Heater Head for Long-Term Reliability, Durability, and Performance* (with Gary R. Halford, Ashwin Shah, David L. Krause, and Paul A. Bartolotta). Presented at Space Technology and Applications International Forum-STAIF Conference, Albuquerque, Feb. 2002.

37. Numerical Analysis of Creep-Damage in Structural Components. (with Shantaram S. Pai). Proceeding of International Conference on Computational Engineering Sciences, 2005.

38. Durability Effect of Repeated Thermal Decay of Stirling Convertor Heater Head Operating Temperature (with Dr. G.R. Halford). NASA-TM, 2005.

39. Computational Analysis of Inelastic Response of Ceramic Matrix Composites (with Dr. S. S. Pai). Proceedings of 2nd Joint International Conference of Computational Engineering, Vancouver, Canada, 2008.

Technical Publications/Reports

40. Creep Analysis of Thin-Walled Anisotropic Cylinders Subjected to Internal Pressure, Bending and Twisting (with N. S. Bhatnagar and P. S. Kulkarni). Proceedings of Workshop on Solid Mechanics, Roorkee, 1985.

41. Primary Creep Analysis of an Anisotropic Thick-Walled Spherical Shell (with N. S. Bhatnagar and P. S. Kulkarni. Proceedings of Workshop on Continuum Mechanics, Roorkee, 1986.

42. Numerical Integration and Implementation of Viscoplastic Models into Finite Element Codes.(with K. Hornberger, H. Stamm and W. Huber). Proceedings of International Conference on Computational Plasticity, Barcelona, Spain, 1987.

43. On the Integration of Viscoplastic Models and Its Application for Stress Analysis in Thick-Walled Cylinders (with K. Hornberger, H. Stamm). Proceedings of 9th International Conference on Structural Mechanics in Reactor Technology, Lausanne, Switzerland, 1987.

44. Analysis of Local Inelastic (Ballooning) Behavior and Time-to-Failure of Zircaloy Claddings. Transactions of the 8th International Conference on Structural Mechanics in Reactor Technology. Brussels, Belgium, Paper No. C-2/4, 1985.

45. Finite Element Analysis of Metal-Matrix Composite Structures (with D. N. Robinson). Proceedings of ASME/ SES Symposium on "Constitutive Equations for Life Prediction Models for High Temperature  Applications", Berkeley, CA, 1988.

46. Finite Element Implementation of Viscoplastic Models (with A. Kaufman). NASA CP-2493, pp. 335-248, 1987.

47. Structural Response of SSME Turbine Blade Airfoils (with A. A. Aziz and R. L. Thompson).  Proceedings of the Earth-to-Orbit Conference, NASA Marshall Space Flight Center, Huntsville, Alabama, 1989.

48. Finite Element (MARC) Solution Technologies for Viscoplastic Analyses (with R. L. Thompson). Proceedings of Conference on Lewis Structures' Technology, Cleveland, USA, pp. 73-79, 1988.

49. Finite Element Implementation of Viscoplastic Models and Its Application to Nonlinear Structural Analyses (with A. Kaufman). Proceedings of International Conference on Engineering Sciences, Atlanta, USA, 1988.

50. Analytical and Finite Element Solutions of Some Problems Using a Viscoplastic Model. NASA Technical Memorandum, 1988.

51. Analysis of Damage in MMC Components Using an Internal State Variable Model. NASA CP -10030, 53-58, 1989.

52. Finite  Element  Elastic-Plastic-Creep  and  Cyclic  Life  Analysis  of  a  Cowl Lip (with Gary R. Halford and M. E. Melis). NASA TM- 102342, 1990.

53. Application of Finite-Element-Based Solution Technologies for Viscoplastic Structural Analyses. NASA CR-185196, 1990.

54. Finite Element Analysis of Structural Components Using Viscoplastic Models. Proceedings of Second International Conference on Computational Plasticity, Barcelona, 1989.

55. Finite Element Analysis of Structural Components Using Viscoplastic Models With Application to a Cowl Lip Problem (with G. R. Halford). NASA CR-185189, 1990.

56. Application of a Thermal Life Prediction Model to High-Temperature Alloys, B1900+Hf and Haynes 188  (with G.R. Halford, J.F. Saltsman and M.J. Verrilli). NASA TM-4226, 1990.

57. Nonlinear Structural Analysis of Cylindrical Thrust Chambers Using Viscoplastic Models. NASA CR-185253, 1990.

58. Elastic/Plastic Analyses of Advanced Composites Investigating the Use of the Compliant Layer Concept in Reducing Residual Stresses Resulting from Processing (with S. M. Arnold). NASA Technical Memorandum, 103204, 1991.

59. Viscoplastic Analysis of an Experimental Cylindrical Thrust Chamber Liner (with S. M. Arnold). NASA Technical Memorandum, 1990.

60. Reduction of Thermal Residual Stresses in Advanced Metallic Composites by Application of a Compensating/Compliant Layer Concept (with S. M. Arnold). Proceedings of HITEMP Conference, Lewis Research Center, Cleveland, OHIO,  USA, 1990.

61. An Analytical Model for the Analysis of Ballooning Behavior of Zircaloy Claddings. Kernforschungszentrum Karlsruhe, Report, 1981.

62. On the Integration of Unified Viscoplastic Models (with K. Hornberger and H. Stamm). Kernforschungszentrum Karlsruhe, West Germany, Report No. KfK-4082, 1986.

63. Untersuchengung zum Viscoplastichen Materialverhalten im Hochtempratur Bereich  (with K. Hornberger and H. Stamm). Kernforschungszentrum Karlsruhe, Report, 1986.

64. Application of Viscoplastic Models in the Finite Element Analyses of Structural Engineering  Problems. (with G. R. Halford). Computational Mechanics '92. (Editors: Atluri et al.).

65. Life Assessment of Structural Components Using Inelastic Finite Element Analyses (with G. R. Halford). Proceedings of the Workshop on Computational Methods for Failure Analysis and Life Prediction. NASA-Langley Research Center, Hampton, Virginia, 1992.

66. Structurally-Compliant Rocket Engine Combustion Chamber - Experimental/Analytical Validation (with R. Jankovsky, J. M. Kazaroff and G. R. Halford). NASA TP-3431, 1993.

67. Finite Element Analysis of Structural Engineering Problems Using a Viscoplastic Model Incorporating Two Back Stresses (with G. R. Halford). Proceedings of Int. Seminar on Inelastic Analysis, Fracture and Life Prediction, Paris, France, 1993 and NASA TM-106046, 1993.

68. Large Displacement Structural Durability Analyses of Simple Bend Specimen Emulating Rocket Nozzle Liners (with G. R. Halford). NASA TM 106521, June 1994.

69. Efficient and Accurate Explicit Time-Integration Algorithms with Application to Viscoplastic Models. NASA CR 195342, August 1994.

70. Kinetics of Oxidation and Cracking and Finite Element Analyses of MA 956 and MA 956/ Sapphire Composite Systems. Part I – Experimental (with K. N. Lee, G. R. Halford  and C. A. Barrett). NASA-HITEMP Proceedings, 1994.

71. Kinetics of Oxidation and Cracking and Finite Element Analyses of MA 956 and MA 956/ Sapphire Composite System. Part II – Analytical (with K. N. Lee, G. R. Halford  and C. A. Barrett). NASA-HITEMP Proceedings, 1994.

72. Analyses of Oxide Layer Cracking Patterns of MA956 and MA956/Sapphire Composite Systems (with G. R. Halford). Proceedings of Recent Developments in Engineering Science, New Orleans, Oct.- Nov. 1995.

73. Large Displacement Structural Durability Analysis of Simple Bend Specimen Emulating Rocket Nozzle Liners (with G. R. Halford). Computational Mechanics '95, Theory and Applications. (Eds. Atluri, Yagawa and Cruse), pp. 1285-1291, 1995.

74. Creep Analysis of a Rotating Disk Using a Strain Hardening Law (with N. S. Bhatnagar). Proceedings of the National Academy of Sciences, India, 1981.

75. Thermal Fatigue Limitations of Continuous Fiber Metal Matrix Composites (with G. R. Halford). Physics and Process Modeling (PPM) and other Propulsion R&T Conference. NASA CP-10193, Vol. 1, Paper 19, NASA Lewis Research Center, Cleveland, OH, May 1, 1997, PP. 1-11.

76. Advanced Viscoplastic Structural and Cyclic Life of a Cowl Lip (with G. R. Halford). International Symposium on Inelastic Deformation, Damage and Life Analysis ’97, Advances in Computational Engineering Science, ICES ’97, Eds. S.N. Atluri and Y.G. Yagawa, San Jose, Costa Rica, May 4-9, 1997,  pp. 2-7.

77. Thermal stresses – the Achilles’ Heal of Continuous Fiber Reinforced Metal Matrix Composites (with G. R. Halford). Thermal Stresses ’97.  Proceedings of the Second International Symposium on Thermal Stresses and Related Topics, Rochester Institute of Technology, NY, June 8-11, 1997, pp. 41-44.

78. Finite Element Analysis of Structural Engineering Problems Using an Advanced Viscoplastic Model (with G. R. Halford). Proceedings of the 3rd Biennial Engineering Mathematics and Analysis Conference (EMAC ’98), Adelaide, Australia, (Eds: E.O. Tuck and J.A.K. Stott), 1998, pp. 91-94.

79. Large-Displacement Creep Analysis of Simple Bend Specimen Emulating Rocket Nozzle Liners (with N. S. Bhatnagar). International Symposium on Inelastic Deformation, Damage and Life Analysis ’98.  (ICES ’98) , Oct 6-9, Atlanta, 1998.

80. Structural Analyses of Stirling Power Convertor Heater Head for Long-Term Reliability, Durability, and Performance. NASA-TM-2—2-211327, April 2002.

81. Durability Assessment of Gamma TiAl – Final Report.  (with Susan L. Draper, Bradley A. Lerch, Michael Pereira, Kazuhisa Miyoshi and Wyman Zhuang). NASA TM-212303, 2004. 

Books/Manuals

82. Introduction to Matrix Algebra. (Written Under Curriculum Development Program, Government of India, 1976-77(unavailable)).

83. FLAPS (Fatigue Life Analysis Programs) – Computer Programs to Predict Cyclic Life Using the Total Strain Version of StrainRange Partitioning and Other Life Prediction Methods. Users’ Manual and Example Problems. Version 1.0, 2003.

84. FLAPS (Fatigue Life Analysis Programs) – Computer Programs to Predict Cyclic Life Using the Total Strain Version of StrainRange Partitioning and Other Life Prediction Methods. Users’ Manual and Example Problems. Version 2.0, 2007. 

Papers Under Preparation

85. Large Displacement Finite Element Elastic-Plastic-Creep and Life Analysis of Simple Bend Specimen Emulating Rocket Nozzle Liners.

86. Large Displacement Finite Element Viscoplastic and Life Analysis of Simple Bend Specimen Emulating a Rocket Nozzle Liners.

87.    Finite-Element Viscoplastic and Life Analysis of a Cowl Lip.Finite-Element and Experimental Analysis of the High Velocity Leading-Edge Impact of a Turbine Blade.

 

Education         

Ph.D., 1975. Mathematics, I.I.T., Roorkee, India.

 
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