**Computer Science and Engineering**

Computer Science and Engineering is a peer-reviewed journal that deals with all aspects of computer science. It publishes articles which contribute new theoretical results in all areas of the foundations of computer science. Papers reporting original research and innovative applications from all parts of the world are welcome.

**p-ISSN:**2163-1484**e-ISSN:**2163-1492**Website:**http://journal.sapub.org/computer

## Duc Nguyen

**Editor-in-Chief of**

*Computer Science and Engineering*Professor, Old Dominion University, USA

**Research Areas**

Scientific High-Performance (HP) Computing, Finite Element Analysis & Optimal Design, Parallel Computing Algorithms and Software, Large-scale Engineering and Science (Bio-Informatics, Computational Biology) Applications, Equation & Eigen-Solutions, Struct

### Education

1982 | Ph.D | The University of Iowa |

1976 | M.Sc | The University of California, Berkeley |

1974 | B.Sc | Northeastern University, Boston |

### Experience

1996-present | Professor and MPVC Institute Director, Civil and Environmental Engineering Department, Old Dominion University, Norfolk |

1990-1996 | Associate Professor (with Tenure), Old Dominion University, Norfolk |

1985-1990 | Assistant Professor, ODU, Norfolk, VA |

1982-1985 | Assistant Professor, Civil Engineering Department, Northeastern University, Boston, MA |

1977-1982 | Research Assistant, Handled projects for the U.S. Army Ballistic Research Laboratory (BRL) to optimally design the helicopter tail-boom |

1976 | Reader, Application of Digital Computer to Civil Engineering, The University of California, Berkeley, CA |

1975 | Computer Programming Assistant, Computer Science Department, Northeastern University, Boston, MA |

### Academic Achievement

Sept. 3, 2004 ISIHighlyCited.com's List of Most Highly Cited Researchers in Engineering in The World |

April 26, 2001 A. Rufus Tonelson distinguished faculty award (for excellent contribution in Research, Teaching and Service), Old Dominion University, Norfolk, VA |

May-July 2001 NASA-ASEE Summer 2001 (11th time) Faculty Fellowship Award, at Electromagnetic Research Branch, NASA Langley Research Center, Hampton, VA |

May-July 2000NASA-ASEE Summer 2000 (10th time) Faculty Fellowship Award at COMPUTATIONAL MODELING & SIMULATION Branch (Aerodynamics, Aerothermodynamics, and Acoustics Competency), NASA Langley Research Center, Hampton, VA |

2003 Who's Who in Computational Science and Engineering, Saxe-Coburg Publications, United Kingdom (2003) |

1999 Who's Who in America Science and Engineering, Marquis, 5th Edition, 2000-01 |

1998 Who's Who Among America's Teachers (The Best Teachers in America Selected by the Best Students. Nominated by former ODU student Lee E. Mamaril), Marquis, 5th Edition, 2000-2001 |

May-Aug.1998 NASA-ASEE Faculty Fellow; Participated (9th time) in NASA-LaRC, Structural Mechanic Branch, Hampton, VA |

May-Aug.1997 NASA-ASEE Faculty Fellow: Participated in Langley Research Center, Thermal-Structural Branch, Structural Division |

Feb-Aug.1996 Visiting Assoc. Professor: Teaching and Conducting Research in "Finite Element Based Parallel Computation" at Hong Kong University of Science and Technology, Kowloon, Hong Kong (a full semester, including university apartment and utilities al |

October 1993 NASA Langley Research Center TECH BRIEF AWARD for contribution to Parallel Computational Mechanics. Award Identification No. LAR-14627; (Reference: Mr. Shoemaker, Technology Utility Office), September 1993 |

Jun-Aug. 1992 Participated in the LaRC, Control-Structure Interaction group |

Jun-Aug. 1990 NASA-ASEE, Faculty Fellow |

March 24, 1990ASCE Faculty of the Year Award Ceremony at ODU, Norfolk, VA |

Nov 13, 1989 Cray Research Inc. Gigaflops Performance Award, The award ceremony was held during the IEEE Supercomputing 1989 Conference, Reno, Nevada |

Jun-Aug. 1989 AIR FORCE Faculty Fellow: Participated in the Weapons Laboratory, Kirtland AFB, NM |

April 3, 1989Outstanding Faculty Recognition Ceremony at ODU, Norfolk, VA |

Jun-Sept. 1986 NASA-ASEE Faculty Fellow: Participated in the Langley Research Center Program-Loads and Aeroelasticity Division |

Jun-Sept 1985NASA-ASEE Faculty Fellow: Participated in the NASA-Lewis Research Center, Structural Division |

Jun-Sept 1984NASA-ASEE Faculty Fellow: Participated in the Langley Research Center Program-Loads and Aeroelasticity Division |

Jun-Sept. 1983 NASA-ASEE Faculty Fellow: Participated in the Langley Research Center Program-Loads and Aeroelasticity Division |

### Membership

Member, AIAA (American Institute of Aeronautics and Astronautics) since May 1999 |

Member, VAS (Virginia Academy of Science), since May 1999 |

Member, American Institute of Aeronautics and Astronautics, AIAA (May 1999) |

Member, IEEE (May 1993) |

Member, American Society of Engineering Education, ASEE |

Member, American Society of Civil Engineers, ASCE (January, 1986) |

Member, American Academy of Mechanics, AAM (September, 1983) |

### Publications: Journals

[1] | Swati Chokshi, Chuh Mei, and Duc T. Nguyen, "Nonlinear Random Response of Large-Scale Parallel Sparse Finite Element Structural Problems", Computer Assisted Mechanics and Engineering Sciences (CAMES) Journal (accepted for publication, 2008) |

[2] | Vaidya, A., Yu, S., St. Ville, J., Nguyen, D.T. and Rajan, S.D. "Multiphysics CAD-Based Design Optimization," Journal Mech. Based Design of Structures and Machines, 34 (2), pp. 157-180, 2006 |

[3] | Rajan, S.D. and Nguyen, D.T. "Design Optimization of Discrete Structural Systems Using MPI-enabled Genetic Algorithm," Journal of Structural and Multidisciplinary Optimization, 27, pp. 1-9, 2004 |

[4] | Rajan, S.D., Nguyen, D.T., Deshpande, M.D. and Harrell, L. "Optimal Design of Engineering Systems Using MPI-enabled Genetic Algorithm," Computer Assisted Mechanics and Engineering Sciences (CAMES) Journal, 11: 1-11 (2-3), 2004 |

[5] | Nguyen, D.T., Bai, Yu, Qin, J., and Hu, Yusong, "Computational Aspects of Linear programming Simplex Method" Advances In Engineering Software, Vol. 31, Nos. 8-9, pp 539-546 (August-Sept. 2000) |

[6] | Nguyen, D.T., Tang, W.H., Tung, H.K. and Runesha, H.B., "Nonlinear Constrained Optimizer and Parallel Processing for Golden Block Line Search," in COMPUTER ASSISTED MECHANICS and ENGINEERING SCIENCES Journal (CAMES Journal, Vol. 6, No. 3-4, 1999, pp. 469-477) |

[7] | Nguyen, D.T., Runesha, H., Belegundu, A.D., and Chandrupatla, T.R, "Interior Point Method and Indefinite Sparse Solver for Linear Programming Problems," Advances in Engineering Software, Vol. 29, No. 3-6, pp. 409-414 (1998) |

[8] | Qin, J. and Nguyen, D.T., "Generalized Exponential Penalty Function for Nonlinear Programming," Computers & Structures Journal, Vol. 50, No. 4, (Feb. 1994), pp. 509-514 |

[9] | Nguyen, D.T., "Multilevel Structural Sensitivity Analysis," Computers & Structures Journal, Vol. 25, No. 2, pp. 191-202 (April 1987) |

[10] | Nguyen, D.T. and Rogers, J.L., Jr., "Optimal Design of Structures with Multiple Design Variables Per Group and Multiple Loading Conditions on the Personal Computer," Computers & Structures, Vol. 22, No. 2, pp. 179-184 (April 1986) |

[11] | Nguyen, D.T., Arora, J.S., and Belegundu, A.D., "Design Optimization Codes for Structures: DOCS Computer Program," Journal of Aircraft, Vol. 2, No. 9, pp. 817-824 (September 1983) |

[12] | Nguyen, D.T., Bunting, C., Moeller, K.J., Runesha H.B., and Qin, J., "Subspace and Lanczos Sparse Eigen-Solvers for Finite Element Structural and Electromagnetic Applications" Advances In Engineering Software, Vol. 31, Nos. 8-9, pp. 599-606 (August-September 2000) |

[13] | Qin, J. and Nguyen, D.T., "Structure/Load Dependent Vectors For Linear Structural Dynamics," Computers & Structures Journal, Vol. 50, No. 4 (February 1994), pp. 515-524 |

[14] | Zhang, Y. and Nguyen, D.T., "Parallel-Vector Design Sensitivity Analysis in Structural Dynamics," Computing Systems in Engr. Journal, Vol. 3, No. 1-4, pp. 365-378, (1992) |

[15] | Zhang, Y., Nguyen, D.T. and Hou, G.W., "An Alternative Formulation for Design Sensitivity on Linear Struct. Dynamic Systems," Computers & Structures Journal, Vol. 44, No. 3, pp. 689-692 (1992) |

[16] | S. Tungkahotara, W.R. Watson, D.T. Nguyen, and S. Rajan, "Parallel-Sparse Symmetrical/Unsymmetrical Finite Element Domain Decomposition Solver with Multi-Point Constraints for Structural/Acoustic Analysis", WSEAS Transactions on Applied and Theoretical Mechanics, Issue 1, Volume 6, January 2011; page # 37-47; |

[17] | Nguyen, D.T. , Honrao, A.P., Hou, G., Akan, O. and Baysal, O. "Unsymmetrical and Symmetrical Sparse Iterative Algorithm with Multiple Right-Hand-Sides Strategies," WSEAS Transactions on Computers, Issue 8 Vol. 5, pp. 1694-1700 (August 2006) |

[18] | Nguyen, D.T., Watson, W.R., Tungkahotara, S. and Rajan, S.D. "Parallel Finite Element Domain Decomposition for Structural/Acoustic Analysis," Journal of Computational and Applied Mechanics, Vol. 4, No. 2, pp. 189-201 (2003) |

[19] | Watson, W.R. , Nguyen, D.T. , Reddy, C.J. , Vatsa, V.N. and Tang, W.H. "Algorithms and Application of Sparse Matrix Assembly and Equation Solvers for Aeroacoustics," AIAA Journal, Vol. 40, No. 4, pp. 661-670 (April 2002) |

[20] | Nguyen, D.T., Qin, J., Sancer, M.I. and McClary, R., "Finite Element-Boundary Integral Methods in Electro-magnetics," (March 2002) pp. 391-400, Vol. 38, No. 5, in Finite Elements in Analysis and Design, an International Journal (Elsevier Science publisher) |

[21] | Nguyen, D.T., Hou, Gene, Runesha, H. and Han, Bangfei, "Alternative approach for solving Sparse INDEFINITE Symmetrical system of Equations," Advances In Engineering Software, Vol. 31, Nos. 8-9, pp. 581-584 (August-Sept. 2000) |

[22] | Runesha, H.B., and Nguyen, D.T., "Vectorized Sparse UnSymmetrical Equation solver for Computational Mechanics" Advances In Engineering Software, Vol. 31, Nos. 8-9, pp. 563-570 (August-Sept. 2000) |

[23] | Chen, P. Runesha, H., Nguyen, D.T., Tong, P. and Chang, T.Y.P., "Sparse Algorithms For Indefinite Systems of Linear Equations," in COMPUTATIONAL MECHANICS Journal, Vol. 25, No. 1, pp. 33-42 (Feb. 2000) |

[24] | Qin, J. and Nguyen, D.T., "A Parallel-Vector Equation Solver for Distributed Memory Computers," Computing Systems in Engineering Journal, Vol. 5. No. 1, (1994) |

[25] | Qin, J., Agarwal, T.K., Storaasli, O.O., Nguyen, D.T. and Baddourah, M.A., "Parallel-Vector Out-of-Core Equation Solver for Computational Mechanics," Computing Systems in Engineering Journal, Vol. 4, No. 4-6, pp. 381-386 (1993) |

[26] | Nguyen, D.T. and Arora, J.S., "An Algorithm for Solution of Large Eigenvalue Problems," Computers & Structures, Vol. 24, No. 4, pp. 645-650, August 1986 |

[27] | Arora, J.S. and Nguyen, D.T., "Eigen-solution for Large Structural Systems with Substructures," International Journal for Numerical Methods in Engineering, Vol. 15, 1980, pp. 333-341. |

[28] | Nguyen, E.N.D., Nguyen, D.N., Nguyen, D.T. and Tungkahotara, S. "MPI Parallel FORTRAN Dynamic Programming Algorithms and Software for Comparisons of DNA Sequences," WSEAS Transactions on Biology and Biomedicine, Issue 2, Vol. 3, (Feb. 2006), ISSN 1109-9518, pp. 145-152 |

[29] | Qin, J. and Nguyen, D.T., "A Tridiagonal Solver for Massively Parallel Computers," Advances in Engineering Software, Vol. 29, No. 3-6, pp. 395-397 (1998) |

[30] | Nguyen, D.T., Qamar, R. and Runesha, H. "Automatic Differentiation for Design Sensitivity Analysis of Structural Systems Using Parallel-Vector Processors," Advances in Engineering Software, Vol. 29, No. 3-6, pp. 375-382 (1998) |

[31] | Qin, J. and Nguyen, D.T., "A Parallel-Vector Simplex Algorithm On Distributed Memory Computers," Structural Optimization Journal, Vol. 11, Nos. 3 & 4, pp. 260-264, (1996) |

[32] | Qin, J., Gray, Jr., C.E., Mei, C. and Nguyen, D.T., "A Parallel-Vector Equation Solver for Unsymmetric Matrices on Supercomputers," Computing Systems in Engineering, An International Journal, Vol. 2, No. 2/3, (September 1991) Pergamon Press, pp.197-202. |

[33] | Baddourah, M.A., and Nguyen, D.T., "Parallel-Vector Processing for Linear Programming," Journal of Computers and Structures, Vol. 38, No. 3, (1991) pp.2 9-282 |

[34] | Glenn A. Hrinda, and Duc T. Nguyen "Optimization of Stability-Constrained Geometrically Nonlinear Shallow Trusses Using an Arclength Sparse Method with a Strain Energy Density Approach", Finite Element Analysis & Design Journal, Vol. 44, pages 933-950 (2008). |

[35] | Ahmed Mohammed-Ali, Duc T. Nguyen, and Subhash Kadiam "Simulation, Visualization, and Self-Assessment Enhanced Engineering Education: The Stiffness Matrix Method Modules for Structural Analysis Course," Computers in Education Journal, Vol. XVIII, No. 3, pages 99-106 (2008). |

[36] | Baddourah, M.A. and Nguyen, D.T., "Parallel-Vector Computations for Geometrically Nonlinear Finite Element Analysis," Computers & Structures Journal, Vol. 51, No. 6, (1994), pp. 785-789 |

[37] | Makers, B.N., Qin, J. and Nguyen, D.T., "Performance of NIKE3D with PVSOLVE On Vector and Parallel Computers," Computing Systems In Engineering Journal, Vol. 5, No. 4-6, pp. 363-368 (Aug./Oct./Dec. 1994) |

[38] | Storaasli, O.O., Nguyen, D.T., Baddourah, M.A. and Qin, J., "Computational Mechanics Analysis Tools for Parallel-Vector Supercomputers," Computing Systems in Engineering Journal, Vol. 4, No. 4-6, pp. 349-354 (1993) |

[39] | Belvin, W.K., Maghami, P.G. and Nguyen, D.T., "Efficient Use of High Performance Computers for Integrated Controls and Structures Design," Computing Systems in Engineering Journal, Vol. 3, No. 1-4, pp. 181-188, (1992) |

[40] | Nguyen, D.T., Storaasli, O.O., Carmona, E.A., Al-Nasra, M., Zhang, Y., Baddourah, M.A., and Agarwal, T.K., "Parallel-Vector Computation for Linear Structural Analysis and Nonlinear Unconstrained Optimization Problems," Computing Systems in Engineering, An International Journal, Vol. 2, No. 2/3 (September 1991) (Pergamon Press), pp. 175-182 |

[41] | Moayyad, M.A., and Nguyen, D.T., "An Algorithm For Domain Decomposition in Finite Element Analysis," Journal of Computers and Structures, Vol. 39, 1-4, (1991), pp. 277-290 |

[42] | Storaasli, O.O., Nguyen, D.T., and Agarwal, T.K., "The Parallel Solution of Large-Scale Structural Analysis Problems on Supercomputers," AIAA Journal, Vol. 28, No.7, pp. 1211-1216 (July 1990) |

[43] | Nguyen, D.T. and Arora, J.S., "Fail-Safe Optimal Design of Complex Structures with Substructures," AME Journal of Mechanical Design, Vol. 104, No. 4 (October 1982) |

[44] | A. Mohammed, S.C.B.S.V. Kadiam, and D.T. Nguyen, "Simulation, Visualization and Self-Assessment Enhanced Engineering Education: The Stiffness Matrix Method Module For Structural Analysis Course", Computers in Education Journal, Volume XVIII, No. 3, July-September 2008 (pages 99-106) |

[45] | S.C.B.S.V. Kadiam, A. Mohammad, and D.T. Nguyen, "Simulation-Visualization and Self-Assessment Modules' Capabilities in Structural Analysis Course Including Survey Analysis Results"; accepted to appear in Computers in Education Journal. |

### Publications: Conferences/Workshops/Symposiums

[1] | D.T. Nguyen, S. Tungkahotara, and L. Azrar, "A Stand-Alone Nonlinear BFGS Sparse Equation Solver Algorithms and Software With Parallel Domain Decomposition Capability", Proceedings of International Conference on Smart Materials and Adaptive Structures: Mathematical Modeling & Computation, Tangier, Morocco (April 14-16, 2008), pp. 159-161 |

[2] | Swati Chokshi, Chuh Mei, and Duc T. Nguyen, "Nonlinear Random Response of Large-Scale Sparse Finite Element Structural Problems", Conference Proceedings of the 48-th AIAA Structures, Dynamics and Materials (SDM) conference, Hawaii, Honolulu (April 23-26, 2007) |

[3] | Ahmed Mohamed-Ali, Subhash Kadiam, and D.T. Nguyen, "Simulation and Visualization Enhanced Engineering Education: The Stiffness Matrix Method Module for Structural Analysis I Course", Poster Presentation at the MODSIMWorld conference (Educational Track), Virginia Beach, VA (September 12, 2007) |

[4] | O .Baysal, and D.T. Nguyen, "Large-scale Parallel Domain Decomposition: Part 1-Computational Fluid Dynamics Applications," an invited lecture delivered at the 30th IOIT Conference, Hanoi, Vietnam (Dec. 27-28, 2006) |

[5] | D.T. Nguyen and O. Baysal, "Large-scale Parallel Domain Decomposition: Part 2-Computational Solid Mechanics Application," an invited Lecture delivered at the 30th IOIT conference, Hanoi, Vietnam (Dec. 27-28, 2006) |

[6] | O.Baysal, and D.T. Nguyen, "Large-scale Parallel Computing by Domain Decomposition: CFD and CSM Applications," invited tutorial lectures delivered at the Workshop on Parallel and Grid Computing Hanoi University of Science (HUS), Center for High-Performance Computing, Hanoi, Vietnam (December 27, 2006) |

[7] | W.R. Watson, D.M. Nark, D.T. Nguyen and S. Tungkahotara, "On the Development of Efficient Parallel Hybrid Solver with Application to Acoustically Treated Aeroengine Ducts," presented at the "Inter-Noise 2006" conference, Honolulu, Hawaii (December 3-6, 2006) |

[8] | E.N.D. Nguyen, D.N. Nguyen, D.T. Nguyen, and S. Tungkahotara, "Comparing DNA Sequences by Dynamic Programming in Sequential and Parallel Computer Environments," presented at the "2006 WSEAS International Conference on Mathematical Biology and Ecology" (MABES "06), Miami, Florida (Jan. 18-20, 2006) |

[9] | S.D. Rajan, D.T. Nguyen, Sohui Yu, David Lau, and James St. Ville, "Challenges in the Development of Distributed Processing Design Optimization Software System," Proceedings, Optimization Technology Meeting'2004, May 10-12, 2004, Breckenridge, Colorado |

[10] | D.T. Nguyen^, M.D. Deshpande~, S.D. Rajan", and L. Harrell "Optimal Design of Engineering Systems Using Genetic Algorithms" 9th International Conference on Numerical Methods and Computational Mechanics (July 15-19, 2002, Univ. of Miskolc, Miskolc, Hungary) |

[11] | S. Tungkahotara, W.R. Watson, D.T. Nguyen and H.B. Runesha "Simple and Efficient Parallel Dense Equation Solvers" 9th International Conference on Numerical Methods and Computational Mechanics (July 15-19, 2002) Univ. of Miskolc, Miskolc, Hungary Y. Hu, K.E. Gould" and D.T. Nguyen |

[12] | "Linear Programming Domain Decomposition Solutions Using Simplex and Interior Point Methods Under Parallel Computer Environments" 9th International Conference on Numerical Methods and Computational Mechanics (July 15-19, 2002) University of Miskolc, Miskolc, Hungary |

[13] | D.T. Nguyen, W.R. Watson, S. Tungkahotara, and S.D. Rajan, "Domain Decomposition Formulation and Implementation for Finite Element Structural/Accoustic Analysis Under Parallel MPI/FORTRAN Computer Environments" 9th International Conference on Numerical Methods and Computational Mechanics (July 15-19, 2002), University of Miskolc, Miskolc, Hungary |

[14] | Duc T. Nguyen and Siroj Tungkahotara, "Parallel-Vector/Cache Algorithms/Software for Large-Scale Computation," the 2002 Space Radiation Shielding Technology Workshop, NASA Langley Research Center, Hampton, VA (April 4, 2002) |

[15] | Y. Hu, D.T. Nguyen and K. Gould, "Large-Scale Linear Programming Problems By Decomposition and Parallel Procedures," the 8th AIAA/USAF/NASA/ASSMO Symposium on Multidisciplinary Optimization, (Sept. 6-8, 2000) Westin, Long Beach, CA. |

[16] | Nguyen, D.T., Hou, Gene, Runesha, H. and Han, Bangfei, "Alternative approach for solving Sparse INDEFINITE Symmetrical system of Equations," 5th national symposium on Large-Scale Analysis, Design and Intelligent Synthesis Environment (October 12-15, 1999) Williamsburg, VA |

[17] | Nguyen, D.T., Bunting, C., Moeller, K.J., Runesha H.B., and Qin, J., "Subspace and Lanczos Sparse Eigen-Solvers for Finite Element Structural and Electromagnetic Applications," 5th National Symposium on Large-scale Analysis, Design and Intelligent Synthesis Environment, (October 12-15, 1999) Williamsburg, VA |

[18] | Nguyen, D.T., Bai, Yu, Qin, J., and Hu, Yusong, "Computational Aspects of Linear Programming Simplex Method" 5th National Symposium on Large-Scale analysis, Design and Intelligent Synthesis Environment (October 12-15, 1999) Williamsburg, VA |

[19] | Runesha, H.B., and Nguyen, D.T., "Vectorized Sparse Unsymmetrical Equation solver for Computational Mechanics" 5th National Symposium on Large-Scale analysis, Design and Intelligent Synthesis Environment (October 12-15, 1999) Williamsburg, VA |

[20] | Nguyen, D.T., Tang, W.H., Tung, H.K. and Runesha, H.B., "Nonlinear Constrained Optimizer and Parallel Processing for Golden Block Line Search," (August 24-27, 1998), Miskolc, Hungary |

[21] | Nguyen, D.T., Runesha, H.B. and Qin, J., "Parallel Finite Element Analysis on Inexpensive Clusters of Sun Workstations," Numerical Methods, and Computational Mechanics in Science and Engineering, (August 24-27, 1998), Miskolc, Hungary |

[22] | Qin, J. and Nguyen, D.T., "A Tridiagonal Solver for Massively Parallel Computers," Proceedings of the 4th NASA National Symposium on Large-Scale Applications on High-Performance Computers and Workstations, Williamsburg, VA (October 15-17, 1997) |

[23] | Nguyen, D.T., Qamar, R. and Runesha, H. "Automatic Differentiation for Design Sensitivity Analysis of Structural Systems Using Parallel-Vector Processors," Proceedings of the 4th NASA National Symposium on Large-Scale Applications on High-Performance Computers and Workstations, Williamsburg, VA (October 15-17, 1997) |

[24] | Nguyen, D.T., Runesha, H.,Belegundu, A.D., and Chandrupatla, T.R, "Interior Point Method & Indefinite Sparse Solver for Linear Programming Problems," Proceedings of the 4th NASA National Symposium on Large-Scale Applications on High-Performance Computers and Workstations, Williamsburg, VA (October 15-17, 1997) |

[25] | Hu, Y., Qin, J., Nguyen, D.T. and Belvin, W.K., "An Out-of-Core Equation Solver for Computational Mechanics on Supercomputers," Proceedings of the 1993 International Conference on FEMCAD-CRASH, IITT-International, 94 Promenade A. Ballu, 93460 Gournay Sur Marnes, France (June 28-29, 1993) Editors: Dr. A.B. Sabir and Dr. A. Niku-Lari |

[26] | Nguyen, D.T., Qin, J., Sancer, M. and McClary, R., "Mixed Sparse-Dense Symmetrical-Unsymmetrical Equation Solvers for Finite Element-Boundary Integral Methods in Electromagnetics," Proceedings of the ICES 1997 Conference, Costa Rica, (May 4-9, 1997) |

[27] | Nguyen, D.T., Qin, J., Chang, T.Y.Paul, and Tong, P., "Efficient Sparse Equation Solver with Unrolling Strategies for Computational Mechanics," Proceedings of the ICES 1997 Conference, Costa Rica (May 4-9, 1997) |

[28] | Runesha, H., Nguyen, D.T., Qin, J., Chang, T.Y. Paul and Tong, P. "Subspace and Lanczos Iterations with Vectorized Sparse Strategies," Proceedings of the ICES 1997 Conference, Costa Rica (May 4-9, 1997) |

[29] | Pu, C., Runesha, H., Nguyen, D.T., Chang, T.Y. Paul and Tong, P., "Sparse Algorithms for INDEFINITE System of Linear Equations," Proceedings of the ICES 1997 Conference, Costa Rica, (May 4-9, 1997) |

[30] | Qin, J. and Nguyen, D.T., "A Parallel-Vector Simplex Algorithm on Distributed Memory Computers," Proceedings of the ICES 1995 (International Conference on Computational Engineering Science), the Ritz-Carlton Hotel, Mauna Lani, Big Island of Hawaii (July 30-August 3, 1995) |

[31] | Qin, J., and Nguyen, D.T., "A Tridiagonal Solver for Massively Parallel Computers," Proceedings of the ICES 1995, the Ritz-Carlton Hotel, Mauna Lani, Big Island of Hawaii (July 30-Aug. 3, 1995) |

[32] | Akan, A.O., Qin, J., Nguyen, D.T., and Basco, D.R., "Parallel Computation for Groundwater Flow," Proceedings of the International Groundwater Management Symposium, San Antonio, TX (August 1995) |

[33] | Pamujula, H., Nguyen, D.T., and Chandler, L.J., "Finite Element Structural Analysis Using Loosely Coupled Processors," proceedings of the Intern. Conference on Computational Methods In Structural and Geotechnical Engineering, Hong Kong, (December 12-14, 1994) |

[34] | Qin, J. and Nguyen, D.T., "Generalized Exponential Penalty Function for Nonlinear Programming," presented at the 35th Structures, Structural Dynamics, and Material Conference, Hilton Head, SC, (April 18-20, 1994) |

[35] | Qin, J. and Nguyen, D.T., "A Vector Out-of-Core Lanczons Eigen-solver for Structural Vibration Problems," presented at the 35th Structures, Structural Dynamics, and Material Conference, Hilton Head, SC, (April 18-20, 1994) |

[36] | Storaasli, O.O., Nguyen, D.T., Qin, J. and Baddourah, M.A., "Computational Mechanics Analysis Tools for Parallel-Vector Supercomputers," AIAA/ASME/AHS 34th SDM Conference, LaJolla, CA (April 19-22, 1993) |

[37] | Qin, J. and Nguyen, D.T., "A New Parallel-Vector Finite Element Analysis Software on Distributed-Memory Computers," Proceedings of the AIAA/ASME/ASCE/AHS 34th SDM Conference, LaJolla, CA (April 19-22, 1993) |

[38] | Baddourah, M.A. and Nguyen, D.T., "Geometrically Nonlinear Design Sensitivity Analysis on Parallel-Vector High-Performance Computers," Proceedings of the AIAA/ASME/ASCE/AHS 34th SDM Conference, LaJolla, CA (April 19-22, 1993) |

[39] | Qin, J. and Nguyen, D.T., "A Parallel-Vector Equation Solver for Distributed Memory Computers: Proceedings of the 2nd Parallel Computational Methods for Large-Scale Structural Analysis and Design, sponsored by NASA LaRC, Marriott Hotel, Norfolk, VA (February 24-25, 1993) |

[40] | Belvin, W.K., Maghami, P.G. and Nguyen, D.T., "Efficient Use of High Performance Computers for Integrated Controls and Structures Design," Proceedings of the Symposium on High-Performance Computing for Flight Vehicles, Washington, D.C. (Dec. 7-9, 1992) |

[41] | Zhang, Y. and Nguyen, D.T., "Parallel-Vector Sensitivity Calculations in Linear Structure Dynamics," Proceedings of the Symposium on High-Performance Computing for Flight Vehicles, Washington, D.C. (December 7-9, 1992) |

[42] | Qin, J. and Nguyen, D.T., "Structure/Load Dependent Vectors for Linear Struct. Dynamics," Proceedings of the AIAA/ASME/ASCE/AHS 33rd SDM Conference, Dallas, TX (April 13-15, 1992) |

[43] | Qin, J., Nguyen, D.T. and Zhang, Y., "Parallel-Vector Lanczos Eigen-Solver for Structural Vibration Problems," Proceedings of the 4th Intern. Conference on Recent Advances in Structural Dynamics, Institute of Sound and Vibration Research, Univ. of Southampton, Southampton, England (July 15-18, 1991) |

[44] | Baddourah, M.A., Storaasli, O.O., Carmona, E.A., and Nguyen, D.T., "A Fast Parallel Algorithm for Generation and Assembly of Finite Element Stiffness and Mass Matrices," Proceedings of the AIAA/ASME/ASCE AHS 32nd SDM Conference, Baltimore, MD (April 8-10, 1991) |

[45] | Nguyen, D.T., Storaasli, O.O., Carmona, E.A., Al-Nasra, M., Zhang, Y., Baddourah, M.A., and Agarwal, T.K., "Parallel-Vector Computation for Linear Structural Analysis and Nonlinear Unconstrained Optimization Problems," Symposium on Parallel Methods on Large-Scale Structure Analysis and Physics Applications, NASA LaRC, Hampton, VA (February 5-6, 1991) |

[46] | Qin, J., Gray, Jr., C.E., Mei, C. and Nguyen, D.T., "A Parallel-Vector Equation Solver for Unsymmetric Matrices on Supercomputers," Symposium on Parallel Methods on Large-Scale Structural Analysis and Physics Applications, NASA LaRC, Hampton, VA (Feb 5-6, 1991) |

[47] | Agarwal, T.K., Storaasli, O.O., and Nguyen, D.T., "A Parallel-Vector Algorithm for Rapid Structural Analysis on High Performance Computers," Proceedings of the AIAA/ASME/ASCE/AHS 31st SDM Conference, Long Beach, CA (April 2-4, 1990), AIAA paper # 90-1149 |

[48] | Nguyen, D.T. and Razzaq, Z., "Recent Research Activities In Parallel Computational Structure Mechanics," presented at the Sixth Conference on computing in Civil Engineering, sponsored by the ASCE's TCCP, Atlanta, GA (September 11-13, 1989) |

[49] | Nguyen, D.T. and Ninh, V.T., "Parallel Computation for Linear Programming," ASCE Structures Congress, San Francisco, CA, (May 1-5, 1989) pp. 152-157 |

[50] | Nguyen, D.T., Agarwal, T.K., Benten, M.S., and Lin, C., "A Portable Parallel Equation Solver for Finite-Element Based Structural Analysis-Synthesis Codes," ASCE Structures Congress, San Francisco, CA (May 1-5, 1989) pp. 158-167 |

[51] | Storaasli, O.O., Nguyen, D.T., and Agarwal, T.K., "The Parallel Solution of Large-Scale Structural Analysis Problems on Supercomputers," AIAA/ASME/ASCE/AHS 30th SDM Conference, Mobil, AL (April 3-5, 1989) pp. 859-867 |

[52] | Nguyen, D.T., Shim, J.S., and Zhang, Y., "The Component Mode Method in a Parallel Computer Environment," Proceeding of the AIAA/ASME/ASCE/AHS/ASC 29th SDM Conference, Williamsburg, VA (April 18-20, 1988) AIAA Paper #88-2438, pp. 1705-1710 |

[53] | Nguyen, D.T. and Niu, K.T., "Structural Sensitivity Analysis on a Parallel Computer," Proceeding of 6th ASCE Structures Congress, Orlando, FL, August 17-20, 1987, pp. 98-112 |

[54] | Nguyen, D.T., "Practical Implementation of an Accurate Method for Multilevel Design Sensitivity Analysis," Proceeding of the AIAA/ASME/ASCE/AHS 28th SDM Conference, Monterey, CA, (April 6-8, 1987) |

[55] | Nguyen, D.T. and Pollalis, S.N., "Struct. Optimization with Interactive Graphics on IBM Personal Computer," Proceeding of the International Conference on Engineering Software for Microcomputers, Venice, Italy, (April 2-5, 1984) |

[56] | Nguyen, D.T. and Hadley, P.K., "Microcomputers in Structural Optimization," Proceeding of the First National Conference on Microcomputers in Civil Engineering, Orlando, FL (Nov. 1-3, 1983) |

[57] | Nguyen, D.T. and Arora, J.S., "Optimal Geometry Modeling for Minimizing Weight of Plate Bending Structures with Substructures," Proceeding of the 11th IFIP Conference on System Modeling and Optimization, Copenhagen, Denmark (July 25-29, 1983). Appeared in lecture notes in control and information sciences. Edited by P. Thoft-Christensen, Springer-Verlag, Berlin Heidelberg, NY, and Tokyo |

[58] | Nguyen, D.T. and Arora, J.S., "Fail-Safe Optimal Design of Complex Structures with Substructures," presented at Design Automation Conference, Hartford, CT (September 20-23, 1981). Appeared in "Progress in Engineering Optimization, 1981" |

[59] | Arora, J.S. and Nguyen, D.T., "Structural Dynamics with Substructures," Proceeding 7th Conference on Electronic Computation, ASCE, St. Louis, MO, August, 1979, pp. 402-417 |