 | Layne T. WatsonProfessor, Computer Science, Mathematics, and Aerospace and Ocean Engineering
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Research Interests
Layne T. Watson received the B.A. degree (magna cum laude) in psychology and mathematics from the University of Evansville, Indiana, in 1969, and the Ph.D. degree in mathematics from the University of Michigan, Ann Arbor, in 1974. He is a professor of computer science, mathematics, and aerospace and ocean engineering at Virginia Polytechnic Institute and State University.
His research interests include fluid dynamics, solid mechanics, numerical analysis, optimization, parallel computation, mathematical software, image processing, and bioinformatics. He has worked for USNAD Crane, Sandia National Laboratories, and General Motors Research Laboratories and served on the faculties of the University of Michigan and Michigan State University, East Lansing, before coming to Virginia Tech, and was the Visiting Melchor Chair Professor in the Department of Aerospace and Mechanical Engineering at the University of Notre Dame in 2008.
His professional service includes stints as associate editor of ORSA Journal on Computing, SIAM Journal on Optimization, Computational Optimization and Applications, Evolutionary Optimization, Engineering Computations, and the International Journal of High Performance Computing Applications, and is senior editor of Applied Mathematics and Computation. He has published well over 300 refereed journal articles and 200 refereed conference papers. He is a fellow of the IEEE, the National Institute of Aerospace, and the International Society of Intelligent Biological Medicine.
Laboratory for Advanced Scientific Computing and ApplicationsURL: http://research.cs.vt.edu/~lasca/ The goal of the Laboratory for Advanced Scientific Computing and Applications (LASCA) is to provide expertise and leadership in high-end scientific computing research and education at Virginia Tech. Located in Torgersen Hall, the laboratory is a visible and strategic center of activity in applied high-computation and assist scientists and engineers in applying high-end computing resources to their problems. By bringing together experts in scientific cp\omputing and its applications, LASCA helps build the kind of multidisciplinary teams needed to address today's most challenging computational science problems. |
2013
Gao, D. Y., L. T. Watson, D. R. Easterling, and W. I. Thacker,
"Solving the canonical dual of box- and integer-constrained nonconvex quadratic programs via a deterministic direct search algorithm",
Optim. Methods Software, vol. 28, pp. 313--326, 2013.
Radcliffe, N. R., L. T. Watson, M. Sosonkina, and R. T. Haftka,
"Adjusting process count on demand for petascale global optimization",
Parallel Comput., vol. 39, pp. 21--35, 2013.
2012
Liu, M., L. S. Heath, L. T. Watson, and L. Zhang,
"Blended HMMs: Reducing Redundancy in the SCOP HMM Database",
The 13th International Conference on Bioinformatics and Computational Biology (BIOCOMP'12), 2012.
Phillips, R. D., L. T. Watson, R. H. Wynne, and N. Ramakrishnan,
"Continuous iterative guided spectral class rejection classification algorithm",
IEEE Trans. Geoscience Remote Sensing, vol. 50, pp. 2303--2317, 2012.
Viana, F. A. C., R. T. Haftka, and L. T. Watson,
"Sequential sampling for contour estimation with concurrent function evaluations",
Structural Multidisciplinary Optim., vol. 45, pp. 615--618, 2012.
Ghommem, M., M. R. Hajj, D. T. Mook, and L. T. Watson,
"Global optimization of actively morphing flapping wings",
Journal of Fluids and Structures, vol. 33, pp. 210--228, 2012.
Hossain, M. S., P. K. R. Ojili, L. T. Watson, and N. Ramakrishnan,
"Scatter/gather clustering: flexibly incorporating user feedback to steer clustering results",
IEEE Trans. Visualization Computer Graphics, vol. 18, pp. 2829--2838, 2012.
Easterling, D. R., L. T. Watson, M. L. Madigan, and B. S. Castle,
"Direct search and stochastic optimization applied to two nonconvex nonsmooth problems",
2012 Spring Simulation Multiconference, High Performance Computing Symp., Orlando, FL, Soc. for Modelling and Simulation Internat., 2012.
Ghommem, M., M. R. Hajj, B. K. Stanford, and L. T. Watson,
"Global and local optimization of flapping kinematics",
53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conf., Honolulu, HI, AIAA, pp. 15 pages, 2012.
Allison, D. L., C. C. Morris, J. A. Schetz, and L. T. Watson,
"A multidisciplinary design optimization framework for design studies of an efficient supersonic air vehicle",
14th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conf., Indianapolis, IN, AIAA, pp. 22 pages, 2012.
Pu, Y., S. Lee, L. T. Watson, and Y. Cao,
"The effect of unhealthy-cells in synchronized insulin secretion",
2012 IEEE Internat. Conf. on Bioinformatics and Biomedicine, Philadelphia, PA, pp. 416--419, 2012.
2011
Pu, Y., L. T. Watson, and Y. Cao,
"Stiffness detection and reduction in discrete stochastic simulation of biochemical systems",
JOURNAL OF CHEMICAL PHYSICS, vol. 134, no. 5, CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA, AMER INST PHYSICS, FEB 7, 2011.
Abstract
Zhang, L., L. T. Watson, and L. S. Heath,
"A Network of SCOP Hidden Markov Models and Its Analysis",
BMC Bioinformatics, vol. 12, pp. 11 pages, 2011.
Zhang, L., L. T. Watson, and L. S. Heath,
"A Network of Hidden Markov Models and Its Analysis",
2011 International Conference on Bioinformatics and Computational Biology (BIOCOMP'11), Las Vegas, Nevada, 2011.
Deshpande, S., L. T. Watson, J. Shu, and F. A. Kamke,
"Data driven surrogate-based optimization in the problem solving environment WBCSim",
Engrg. with Computers, vol. 27, pp. 211--223, 2011.
Mehmood, A., I. Akhtar, M. Ghommem, and L. T. Watson,
"Optimization of drag reduction on a cylinder undergoing rotary oscillations",
52nd AIAA/\-ASME/\-ASCE/\-AHS/\-ASC Structures, Structural Dynamics, and Materials Conf., Denver, CO, AIAA Paper 2011-1997, 2011.
Phillips, R. D., L. T. Watson, and R. H. Wynne,
"An SMP soft classification algorithm for remote sensing",
2011 Spring Simulation Multiconference, High Performance Computing Symp., Vista, CA, Soc. for Modelling and Simulation Internat., 2011.
Shu, J., L. T. Watson, N. Ramakrishnan, and F. A. Kamke,
"Computational steering in the problem solving environment WBCSim",
Engrg. Comput., vol. 28, pp. 888--911, 2011.
Penninger, C. L., A. Tovar, L. T. Watson, and J. E. Renaud,
"KKT conditions satisfied using adaptive neighboring in hybrid cellular automata for topology optimization",
Internat. J. Pure Appl. Math., vol. 66, pp. 245--262, 2011.
Akhtar, I., M. Ghommem, L. T. Watson, and A. Mehmood,
"Optimization of lift suppression over a circular cylinder undergoing inline vibrations",
52nd AIAA/\-ASME/\-ASCE/\-AHS/\-ASC Structures, Structural Dynamics, and Materials Conf., Denver, CO, AIAA Paper 2011-1996, pp. 9 pages, 2011.
Radcliffe, N., M. Sosonkina, and L. T. Watson,
"Communication with spawned processes",
2011 Spring Simulation Multiconference, High Performance Computing Symp., Vista, CA, Soc. for Modelling and Simulation Internat., pp. 126--133, 2011.
Deshpande, S. G., L. T. Watson, R. A. Canfield, and M. Blair,
"XML schema for aircraft conceptual model representation",
2011 Internat. Conf. on Information and Knowledge Engineering, Las Vegas, NV, CSREA Press, 2011.
Radcliffe, N., L. Watson, and M. Sosonkina,
"A comparison of alternatives for communicating with spawned processes",
49th ACM Southeast Conf., Kennesaw, GA, pp. 132--137, 2011.
Easterling, D. R., L. T. Watson, and M. Madigan,
"Direct search versus simulated annealing on two high dimensional problems",
2011 Spring Simulation Multiconference, High Performance Computing Symp., Vista, CA, Soc. for Modelling and Simulation Internat., pp. 89--95, 2011.
Ghommem, M., M. R. Hajj, D. T. Mook, and L. T. Watson,
"Global optimization of flapping kinematics for micro air vehicles",
Internat. Forum of Aeroelasticity and Structural Dynamics, Paris, France, Paper IFASD-2011-150, 2011.
Watson, L. T., G. Howell, W. I. Thacker, and S. Seidel,
Proceedings of the 2011 Spring Simulation Multiconference, High Performance Computing Symposium 2011 (HPC 2011),
, vol. 6, Vista, CA, Society for Modeling and Simulation International, pp. iv + 174, 2011.
2010
Zhang, J., L. T. Watson, and Y. Cao,
"A modified uniformization method for the solution of the chemical master equation",
Comput. Math. Appl., vol. 59, pp. 573-584, 2010.
Penninger, C. L., L. T. Watson, A. Tovar, and J. E. Renaud,
"Convergence analysis of hybrid cellular automata for topology optimization",
Structural Multidisciplinary Optim., vol. 40, pp. 271-282, 2010.
Ramakrishnan, N., S. Tadepalli, L. T. Watson, R. F. Helm, M. Antoniotti, and B. Mishra,
"Reverse engineering dynamic temporal models of biological processes and their relationships",
Proc. National Academy of Sciences, vol. 107, pp. 12511-12516, 2010.
Newkirk, J. T., L. T. Watson, and M. M. Stanisic,
"Determining the number of inverse kinematic solutions of a constrained parallel mechanism using a homotopy algorithm",
ASME J. Mechanisms Robotics, vol. 2, 2010.
Thacker, W. I., J. Zhang, L. T. Watson, J. B. Birch, M. A. Iyer, and M. W. Berry,
"Algorithm 905: SHEPPACK: modified Shepard algorithm for interpolation of scattered multivariate data",
ACM Trans. Math. Software, vol. 37, pp. 1-20, 2010.
Cao, Z., D. R. Easterling, L. T. Watson, D. Li, K. W. Cameron, and W. C. Feng,
"Power saving experiments for large-scale global optimization",
Internat J. Parallel Emergent Distrib. Systems, vol. 25, pp. 381-400, 2010.
Zhang, J., L. T. Watson, C. A. Beattie, and Y. Cao,
"Radial basis function collocation for the chemical master equation",
Internat. J. Comput. Methods, vol. 7, pp. 477-498, 2010.
Viana, F. A. C., R. T. Haftka, and L. T. Watson,
"Why not run the efficient global optimization algorithm with multiple surrogates?",
Structural Dynamics, and Materials Conf., Orlando, FL, 2010.
Pu, Y., L. T. Watson, and Y. Cao,
"Stiffness detection and reduction in discrete stochastic simulation of biochemical systems",
2010 Spring Simulation Multiconference, High Performance Computing Symp., Vista, CA, Soc. for Modelling and Simulation Internat., pp. 41-48, 2010.
Deshpande, S. G., and L. T. Watson,
"Sequential approximate optimization in the problem solving environment WBCSim",
2010 Spring Simulation Multiconference, High Performance Computing Symp., Vista, CA, Soc. for Modelling and Simulation Internat., pp. 49-56, 2010.
Radcliffe, N. R., D. R. Easterling, L. T. Watson, M. L. Madigan, and K. A. Bieryla,
"Results of two global optimization algorithms applied to a problem in biomechanics",
2010 Spring Simulation Multiconference, High Performance Computing Symp., Vista, CA, Soc. for Modelling and Simulation Internat., pp. 117-123, 2010.
Zhang, L., and L. T. Watson,
"The expected fitness cost of a mutation fixation under the one-dimensional Fisher model",
6th Internat. Symp. on Bioinformatics Research and Appl., vol. LNBI 6053/2010, Springer-Verlag, Berlin, pp. 241-252, 2010.
Pu, Y., S. Lee, D. C. Samuels, L. T. Watson, and Y. Cao,
"Hybrid modeling and simulation of insulin secretion pathway in pancreatic islets",
10th IEEE Internat. Conf. on Bioinformatics and Bioengineering, Philadelphia, PA, pp. 156-161, 2010.
Cao, Y., S. I. Park, and L. T. Watson,
"A novel computation-to-core mapping scheme for robust facet image modeling on GPUs",
2010 Internat. Conf. on Parallel and Distributed Processing Techniques and Appl., vol. 1, Las Vegas, NV, CSREA Press, pp. 189-195, 2010.
Easterling, D. R., L. T. Watson, and M. Madigan,
"The DIRECT algorithm applied to a problem in biomechanics with conformal mapping",
2010 Internat. Conf. on Scientific Computing, Las Vegas, NV, CSREA Press, pp. 128-133, 2010.
Hossain, M. S., S. Tadepalli, L. T. Watson, I. Davidson, R. F. Helm, and N. Ramakrishnan,
"Unifying dependent clustering and disparate clustering for nonhomogeneous data",
16th ACM SIGKDD Conf. on Knowledge Discovery and Data Mining, Washington, DC, pp. 593-602, 2010.
Ghommem, M., M. R. Hajj, L. T. Watson, D. T. Mook, R. D. Snyder, and P. S. Beran,
"Deterministic global optimization of flapping wing motions for micro air vehicles",
13th AIAA/ISSMO Multidisciplinary Analysis Optimization conf., Fort Worth, TX, 2010.
Liu, Z., C. A. Shaffer, U. J. Mobassera, L. T. Watson, and Y. Cao,
"Multistate modeling and simulation for regulatory networks",
2010 Winter Simulation Conference, pp. 631-642, 2010.
Zhang, J., L. T. Watson, C. A. Beattie, and Y. Cao,
"RADIAL BASIS FUNCTION COLLOCATION FOR THE CHEMICAL MASTER EQUATION",
INTERNATIONAL JOURNAL OF COMPUTATIONAL METHODS, vol. 7, no. 3, 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE, WORLD SCIENTIFIC PUBL CO PTE LTD, pp. 477-498, SEP, 2010.
Abstract
Zhang, L., and L. T. Watson,
"The expected fitness cost of a mutation fixation under the one-dimensional Fisher model",
Internat. J. Pure Appl. Math., vol. 62, pp. 129--150, 2010.
Zhang, J., L. T. Watson, and Y. Cao,
"A modified uniformization method for the solution of the chemical master equation",
COMPUTERS & MATHEMATICS WITH APPLICATIONS, vol. 59, no. 1, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, PERGAMON-ELSEVIER SCIENCE LTD, pp. 573-584, JAN, 2010.
Abstract
Sandu, A., L. Watson, and W. Thacker,
Proceedings of the 2010 Spring Simulation Multiconference, High Performance Computing Symposium (HPC 2010),
, vol. 6, Vista, CA, Society for Modeling and Simulation International, pp. iv + 145, 2010.
2009
Perez, V. M., J. E. Renaud, and L. T. Watson,
"Homotopy curve tracking in approximate interior point optimization",
Optim. Engrg., vol. 10, pp. 91-108, 2009.
Ji, S., L. T. Watson, and L. Carin,
"Semisupervised learning of hidden Markov models via a homotopy method",
IEEE Trans. Pattern Anal. Machine Intell., vol. 31, pp. 275-287, 2009.
Abstract
He, J., A. Verstak, L. T. Watson, and M. Sosonkina,
"Performance modeling and analysis of a massively parallel DIRECT - Part 1",
Internat. J. High Performance Comput. Appl., vol. 23, pp. 14-28, 2009.
Abstract
He, J., A. Verstak, L. T. Watson, and M. Sosonkina,
"Performance modeling and analysis of a massively parallel DIRECT - Part 2",
Internat. J. High Performance Comput. Appl., vol. 23, pp. 29-41, 2009.
Phillips, R. D., L. T. Watson, R. H. Wynne, and C. E. Blinn,
"Feature reduction using a singular value decomposition for the iterative guided spectral class rejection hybrid classifier",
ISPRS J. Photogrammetry Remote Sensing, vol. 64, pp. 107-116, 2009.
Agarwal, H., S. E. Gano, V. M. Pererz, C. K. Mozumder, J. E. Renaud, and L. T. Watson,
"Homotopy methods for constraint relaxation in unilevel reliability based design optimization",
Engrg. Optim., vol. 41, pp. 593-607, 2009.
He, J., L. T. Watson, and M. Sosonkina,
"Algorithm 897: VTDIRECT95: serial and parallel codes for the global optimization algorithm DIRECT",
ACM Trans. Math. Software, vol. 36, no. 17, pp. 1-24, 2009.
Abstract
Zhang, L., and L. T. Watson,
"Analysis of the fitness effect of compensatory mutations",
HFSP J., vol. 3, pp. 47-54, 2009.
Tadepalli, S., N. Ramakrishnan, L. T. Watson, B. Mishra, and R. F. Helm,
"Simultaneously segmenting multiple gene expression time courses by analyzing cluster dynamics",
J. Bioinformatics Comput. Biol., vol. 7, pp. 339-356, 2009.
Phillips, R. D., C. E. Blinn, L. T. Watson, and R. H. Wynne,
"An adaptive noise filtering algorithm for AVIRIS data with implications for classification accuracy",
IEEE Trans. Geosciences Remote Sensing, vol. 47, pp. 3168-3179, 2009.
Zhang, J., L. T. Watson, and Y. Cao,
"Adaptive aggregation method for the chemical master equation",
Internat J. Comput. Biol. Drug Design, vol. 2, pp. 134-148, 2009.
Phillips, R. D., L. T. Watson, and R. H. Wynne,
"Examining the potential parallel scalability of a fuzzy semi-supervised classification algorithm",
Proc. 2009 Spring Simulation Multiconference: HPC, G. Wainer, M. Chinni, P. Roman, H. Rajaei, B. Zeigler, and C. Ribbens (eds.), Soc. for Modeling Simulation Internat., San Diego, CA, pp. 523-529, 2009.
Abstract
Cao, Z., L. T. Watson, K. W. Cameron, and R. Ge,
"A power aware study for VTDIRECT95 using DVFS",
Proc. 2009 Spring Simulation Multiconference: HPC, G. Wainer, M. Chinni, P. Roman, H. Rajaei, B. Zeigler, and C. Ribbens (eds.), Soc. for Modeling Simulation Internat., San Diego, CA, pp. 531-536, 2009.
Zhang, J., M. Sosonkina, L. T. Watson, and Y. Cao,
"Parallel solution of the chemical master equation",
Proc. 2009 Spring Simulation Multiconference: HPC, G. Wainer, M. Chinni, P. Roman, H. Rajaei, B. Zeigler, and C. Ribbens (eds.), Soc. for Modeling Simulation Internat., San Diego, CA, pp. 563-567, 2009.
Ahn, T. - H., P. Wang, L. T. Watson, Y. Cao, C. A. Shaffer, and W. T. Baumann,
"Stochastic cell cycle modeling for budding yeast",
Proceedings of 2009 Spring Simulation Multiconference: HPC, G. Wainer, M. Chinni, P. Roman, H. Rajaei, B. Zeigler, and C. Ribbens (eds.), Soc. for Modeling Simulation Internat., San Diego, CA, SCS, pp. 569-574, 03/2009.
Penninger, C. L., A. Tovar, L. T. Watson, and J. E. Renaud,
"KKT conditions satisfied using adaptive neighboring in hybrid cellular automata for topology optimization",
Proc. 8th World Congress on Structural and Multidisciplinary Optimization (WCSMO-8), Lisbon, Portugal, 2009.
Zhang, J., L. T. Watson, and Y. Cao,
"Radial basis function collocation for the chemical master equation",
Proc. 2009 Internat. Conf. on Bioinformatics and Computational Biology, H. R. Arabnia and M. Q. Yang (eds.), USA, CSREA Press, pp. 295-300, 2009.
Pu, Y., S. Lee, Z. Liu, D. C. Samuels, L. T. Watson, and Y. Cao,
"Modeling of metabolic oscillations in mitochondria and their coupling in a cell",
Proc. 2009 Internat. Conf. on Bioinformatics and Computational Biology, H. R. Arabnia and M. Q. Yang (eds.), USA, CSREA Press, pp. 620-625, 2009.
Phillips, R. D., L. T. Watson, R. H. Wynne, and N. Ramakrishnan,
"A hypothesis test for the evaluation of soft clusters for classification",
Proc. 2009 Internat. Conf. on Image Processing, Computer Vision, and Pattern Recognition, Vol. 2, CD-ROM, H. R. Arabnia and G. Schaefer (eds.), USA, CSREA Press, 2009.
Abstract
Phillips, R. D., L. T. Watson, R. H. Wynne, and N. Ramakrishnan,
"An iterative framework for the improvement of soft clusters for classification",
Proc. 2009 Internat. Conf. on Image Processing, Computer Vision, and Pattern Recognition, Vol. 2, CD-ROM, H. R. Arabnia and G. Schaefer (eds.), USA, CSREA Press, 2009.
Ahn, T. - H., L. T. Watson, Y. Cao, C. A. Shaffer, and W. T. Baumann,
"Cell cycle modeling for budding yeast with stochastic simulation algorithms",
Computer Modeling in Engineering and Sciences, vol. 51, pp. 27--52, 2009.
Tadepalli, S., N. Ramakrishnan, L. T. Watson, and B. Mishra,
"Simultaneously Segmenting Multiple Gene Expression Time Courses by Analyzing Cluster Dynamics",
Journal of Bioinformatics and Computational Biology, vol. 7, no. 2, 04/2009.
2008
Panning, T. D., L. T. Watson, N. A. Allen, K. C. Chen, C. A. Shaffer, and J. J. Tyson,
"Deterministic parallel global parameter estimation for a model of the budding yeast cell cycle",
Journal of Global Optimization, vol. 40, no. 4, Hingham, MA, USA, Kluwer Academic Publishers, pp. 719–738, 2008.
Shu, J., L. T. Watson, N. Ramakrishnan, F. A. Kamke, and C. North,
"Unification of problem solving environment implementation layers with XML-based specifications",
Advances in Engineering Software, vol. 39, no. 3, pp. 189-201, March, 2008.
Perez, V. M., J. E. Renaud, and L. T. Watson,
"Homotopy curve tracking in approximate interior point optimization",
Optim. Engrg., 2008.
He, J., A. Verstak, L. T. Watson, and M. Sosonkina,
"Design and implementation of a massively parallel version of DIRECT",
Comput. Optim. Appl., 2008.
Ahuja, K., L. T. Watson, and S. C. Billups,
"Probability-one homotopy maps for mixed complementarity problems",
Comput. Optim. Appl., 2008.
Goel, T., R. T. Haftka, W. Shyy, and L. T. Watson,
"Pitfalls of using a single criterion for selecting experimental designs",
Internat. J. Numer. Methods Engrg., 2008.
Ji, S., L. T. Watson, and L. Carin,
"Semi-supervised learning of hidden Markov models via a homotopy method",
IEEE Trans. Pattern Anal. Machine Intell., 2008.
He, J., A. Verstak, L. T. Watson, and M. Sosonkina,
"Performance modeling and analysis of a massively parallel DIRECT—Part 1",
Internat. J. High Performance Comput. Appl., 2008.
He, J., A. Verstak, M. Sosonkina, and L. T. Watson,
"Performance modeling and analysis of a massively parallel DIRECT—Part 2",
Internat. J. High Performance Comput. Appl., 2008.
Kugele, S. C., M. W. Trosset, and L. T. Watson,
"Numerical integration in statistical decisiontheoretic methods for robust design optimization",
Structural Multidisciplinary Optim., 2008.
Giraud, L., A. Haidar, and L. T. Watson,
"Parallel scalability study of hybrid preconditioners in three dimensions",
Parallel Comput., 2008.
Phillips, R. D., L. T. Watson, R. H. Wynne, and C. E. Blinn,
"Feature reduction using a singular value decomposition for the iterative guided spectral class rejection hybrid classifier",
ISPRS J. Photogrammetry Remote Sensing, 2008.
He, J., L. T. Watson, and M. Sosonkina,
"Algorithm XXX: VTDIRECT95: serial and parallel codes for the global optimization algorithm DIRECT",
ACM Trans. Math. Software, 2008.
Zhang, L., and L. T. Watson,
"Analysis of the fitness effect of compensatory mutations",
J. Comput. Biol., 2008.
Giraud, L., A. Haidar, and L. T. Watson,
"Mixed-precision preconditioners in parallel domain decomposition solvers",
Lecture Notes in Computational Science and Engineering: Domain Decomposition Methods in Science and Engineering XVII: U. Langer, M. Discacciati, D. Keyes, O. Widlund, and W. Zulehner (eds.), Springer, Berlin, 2008.
2007
Mishra, D., C. A. Shaffer, N. Ramakrishnan, L. T. Watson, K. K. Bae, J. He, A. A. Verstak, and W. H. Tranter,
"S4W: a problem-solving environment for wireless system design",
Software: Practice & Experience, vol. 37, no. 14, New York, NY, USA, John Wiley & Sons, Inc., pp. 1539–1558, 2007.
Panning, T. D., L. T. Watson, C. A. Shaffer, and J. J. Tyson,
"A Mathematical Programming Formulation for the Budding Yeast Cell Cycle",
Simulation, vol. 83, no. 7, San Diego, CA, USA, Society for Computer Simulation International, pp. 497–514, 2007.
Agarwal, H., C. K. Mozumder, J. E. Renaud, and L. T. Watson,
"An inverse-measure-based unilevel architecture for reliability-based design optimization",
Structural Multidisciplinary Optim., vol. 33, pp. 217-227, 2007.
Zwolak, J. W., P. T. Boggs, and L. T. Watson,
"Algorithm 869: ODRPACK95: a weighted orthogonal distance regression code with bound constraints",
ACM Trans. Math. Software, vol. 33, 2007.
Adams, D. B., L. T. Watson, O. Seresta, and Z. Gurdal,
"Global/local iteration for blended composite laminate panel structure optimization subproblems",
Mech. Adv. Materials Structures, vol. 14, pp. 139-150, 2007.
Lee, J. N., F. A. Kamke, and L. T. Watson,
"Simulation of the hot-pressing of a multi-layered wood strand composite",
J. Composite Materials, vol. 41, pp. 879–904, 2007.
Phillips, R. D., L. T. Watson, and R. H. Wynne,
"Hybrid image classification and parameter selection using a shared memory parallel algorithm",
Comput. & Geosciences, vol. 33, pp. 875-897, 2007.
Zhang, L., and L. T. Watson,
"Note on the computation of critical effective population sizes",
J. Comput. Biol., vol. 14, pp. 950-960, 2007.
Iyer, M. A., L. T. Watson, and J. B. Birch,
"pRIPPLE: a parallel version of a polynomial-time piecewise linear estimation algorithm",
Proc. 2007 Spring Simulation Multiconf., Business and Industry Symp., Vol. II, M. J. Ades, M. J. Chinni, J. A. Hamilton, Jr., J. M. D. Hill, H. Rajaei, and C.-H. Wu (eds.), Soc. for Modeling and Simulation Internat., vol. 2, San Diego, CA, pp. 99–103, 2007.
Phillips, R. D., L. T. Watson, and R. H. Wynne,
"A shared memory parallel algorithm for hybrid image classificatio",
Proc. 2007 Spring Simulation Multiconf., High Performance Computing Symp., M. J. Ades, M. J. Chinni, J. Nutaro, T. ¨Oren, H. Rajaei, and L. Watson (eds), Soc. for Modeling and Simulation Internat., vol. 1, pp. 405–411, 2007.
Iyer, M. A., and L. T. Watson,
"RIPPLE: residual initiated polynomial-time piecewise linear estimation",
Proc. IEEE SoutheastCon 2007, Richmond, VA, pp. 444-449, 2007.
Kugele, S. C., L. T. Watson, and M. W. Trosset,
"Interplay of numerical intergation with gradient based optimization algorithms for robust design optimization",
Proc. IEEE SoutheastCon 2007, Richmond, VA, pp. 472–477, 2007.
Kugele, S. C., L. T. Watson, and M. W. Trosset,
"Multidimensional numerical integration for robust design optimization",
Proc. 45th ACM Southeast Conf., Winston-Salem, NC, pp. 472–477, 2007.
Iyer, M. A., and L. T. Watson,
"A performance comparison of RIPPLE and LMS for high dimensional piecewise linear functions",
Proc. 45th ACM Southeast Conf., Winston-Salem, NC, 2007.
Phillips, R. D., L. T. Watson, R. H. Wynne, and C. E. Blinn,
"Data reduction using the singular value decomposition for a hybrid classifier",
Proc. 2007 Internat. Conf. on Scientific Computing: H. R. Arabnia, J. Y. Yang, and M. Q. Yang (eds.), CSREA Press, USA, pp. 183–188, 2007.
Zhang, J., and L. T. Watson,
"A modified uniformization method for the chemical master equation",
Proc. 7th IEEE Internat. Conf. on Bioinformatics and Bioengineering, Boston, MA, pp. 1429–1433, 2007.
2006
Panning, T. D., L. T. Watson, N. A. Allen, C. A. Shaffer, and J. J. Tyson,
"Deterministic Global Parameter Estimation for a Budding Yeast Model",
Proceedings of the 2006 High Performance Computing Symposium (HPC'06), pp. 195–201, 2006.
Allen, N. A., K. C. Chen, C. A. Shaffer, J. J. Tyson, and L. T. Watson,
"Computer Evaluation of Network Dynamics Models with Application to Cell Cycle Control in Budding Yeast",
IEE Proceedings – Systems Biology, vol. 153, no. 1, pp. 13–21, January, 2006.
Vass, M., C. A. Shaffer, N. Ramakrishnan, L. T. Watson, and J. J. Tyson,
"The JigCell Model Builder: A Spreadsheet Interface for Creating Biochemical Reaction Network Models",
IEEE/ACM Transactions on Computational Biology and Bioinformatics, vol. Vol. 3, no. 2, pp. 155–164, April-June, 2006.
Shu, J., L. T. Watson, B. G. Zombori, and F. A. Kamke,
"WBCSim: an environment for modeling wood-based composites manufacture",
Engrg. Computers, vol. 21, pp. 259–271, 2006.
Hosder, S., B. Grossman, R. T. Haftka, W. H. Mason, and L. T. Watson,
"Quantitative relative comparison of CFD simulation uncertainties for a transonic diffuser problem",
Comput. & Fluids, vol. 35, pp. 1444–1458, 2006.
Setoodeh, S., D. B. Adams, Z. Gurdal, and L. T. Watson,
"Pipeline implementation of cellular automata for structural design on message-passing multiprocessors",
Math. Comput. Modeling, vol. 43, pp. 966-975, 2006.
Haftka, R. T., and L. T. Watson,
"Decomposition theory for multidisciplinary design optimization problems with mixed integer quasiseparable subsystems",
Optim. Engrg., vol. 7, pp. 135–149, 2006.
Setoodeh, S., Z. Gurdal, and L. T. Watson,
"Design of variable-stiffness composite layers using cellular automata",
Comput. Methods Appl. Mech. Engrg., vol. 195, pp. 836–851, 2006.
Su, H. - J., J. M. McCarthy, M. Sosonkina, and L. T. Watson,
"Algorithm 857: POLSYS GLP—a parallel general linear product homotopy code for solving polynomial systems of equations",
ACM Trans. Math. Software, vol. 32, pp. 561–579, 2006.
Kamke, F. A., L. T. Watson, J. N. Lee, and J. Shu,
"A Web-based problem solving environment for the wood-based composites industry",
Forest Products J., vol. 56, pp. 26-32, 2006.
Goel, T., R. T. Haftka, W. Shyy, and L. T. Watson,
"Pointwise RMS bias error estimates for design of experiments",
Proc. 44th AIAA Aerospace Sciences Meeting & Exhibit, AIAA Paper 2006-0724, Reno, NV, pp. 22 pages, 2006.
Iyer, M. A., L. T. Watson, and M. W. Berry,
"SHEPPACK: a Fortran 95 package for interpolation using the modified Shepard algorithm",
Proc. 44th ACM Southeast Conf., Melbourne, FL, pp. 476–481, 2006.
Iyer, M. A., and L. T. Watson,
"An interpolation method for high dimensional scattered data",
Proc. 2006 Spring Simulation Multiconf., Business and Industry Symp., J. A. Hamilton, Jr., R. MacDonald, and M. J. Chinni (eds.), Soc. for Modeling and Simulation Internat., San Diego, CA, pp. 217–222, 2006.
He, J., A. Verstak, L. T. Watson, and M. Sosonkina,
"Performance studies of a parallel global search algorithm on System X",
Proc. 2006 Spring Simulation Multiconf., High Performance Computing Symp., J. A. Hamilton, Jr., R. MacDonald, and M. J. Chinni (eds.), Soc. for Modeling and Simulation Internat, San Diego, CA, 209–214, 2006.
Watson, L. T., M. W. Trosset, and S. C. Kugele,
"Statistical decision-theoretic methods for robust design optimization",
Proc. 2006 NSF Design, Service, and Manufacturing Grantees and Research Conf., CD-ROM, St. Louis, MO, pp. 13 pages, 2006.
Goel, T., R. T. Haftka, W. Shyy, and L. T. Watson,
"Combining bias and variance based criteria for selecting experimental designs",
Proc. 2006 NSF Design, Service, and Manufacturing Grantees and Research Conf., CD-ROM, St. Louis, MO, pp. 16 pages, 2006.
2005
Allen, N. A., C. A. Shaffer, and L. T. Watson,
"Building modeling tools that support verification, validation, and testing for the domain expert",
WSC '05: Proceedings of the 37th conference on Winter simulation: Winter Simulation Conference, pp. 419–426, 2005.
Haftka, R. T., and L. T. Watson,
"Multidisciplinary design optimization with quasiseparable subsystems",
Optim. Engrg., vol. 6, pp. 9–20, 2005.
Zwolak, J. W., J. J. Tyson, and L. T. Watson,
"“Parameter estimation for a mathematical model of the cell cycle in frog eggs",
J. Comput. Biology, vol. 12, pp. 48–63, 2005.
Gantovnik, V. B., Z. Gurdal, L. T. Watson, and C. M. Anderson-Cook,
"A genetic algorithm for mixed integer nonlinear programming problems using separate constraint approximations",
AIAA J., vol. 43, pp. 1844–1849, 2005.
Papila, M., R. T. Haftka, and L. T. Watson,
"Pointwise bias error bounds and min-max design for response surface approximations",
AIAA J., vol. 43, pp. 1797–1807, 2005.
Zwolak, J. W., J. J. Tyson, and L. T. Watson,
"Globally optimized parameters for a model of mitotic control in frog egg extracts",
IEE Systems Biol., vol. 152, pp. 81-92, 2005.
Hosder, S., B. Grossman, R. T. Haftka, W. H. Mason, and L. T. Watson,
"Observations on CFD simulation uncertainties",
Proc. 9th AIAA/ISSMO Symp. on Multidisciplinary Analysis and Optimization, CD-ROM, Atlanta, GA, pp. 18 pages, 2005.
Adams, D. B., L. T. Watson, O. Seresta, and Z. Gurdal,
"Global/local iteration for blended composite laminate panel structure optimization subproblems",
Proc. High Performance Computing Symposium 2005, M. Parashar and L. Watson (eds.) Soc. for Modeling and Simulation Internat., San Diego, CA, pp. 151-157, 2005.
He, J., M. Sosonkina, L. T. Watson, A. Verstak, and J. W. Zwolak,
"Data-distributed parallelism with dynamic task allocation for a global search algorithm",
Proc. High Performance Computing Symposium 2005, M. Parashar and L. Watson (eds.), Soc. for Modeling and Simulation Internat.: San Diego, CA, pp. 164–172, 2005.
Barkhi, R., T. James, and L. T. Watson,
"Problem characteristics determining the appropriateness of genetic algorithm approaches",
Proc. Business and Industry Symposium 2005, M. J. Ades and T. Hang (eds.), Soc. for Modeling and Simulation Internat., San Diego, CA, pp. 135–139, 2005.
Phillips, R. D., L. T. Watson, and R. H. Wynne,
"Hybrid image classification using a shared memory parallel algorithm",
Proc. 16th William T. Pecora Memorial Symp., CD-ROM, Sioux Falls, SD, pp. 12 pages, 2005.
2004
He, J., M. Sosonkina, C. A. Shaffer, J. J. Tyson, L. T. Watson, J. W. Zwolak, and J. Meyer,
"A Hierarchical Parallel Scheme for a Global Search Algorithm",
Proceedings of the 2004 High Performance Computing Symposium (HPC'04): Society for Modeling and Simulation International, pp. 43–50, 2004.
He, J., A. Verstak, L. T. Watson, C. A. Stinson, N. Ramakrishnan, C. A. Shaffer, T. S. Rappaport, C. R. Anderson, K. Bae, J. Jiang, et al.,
"Globally Optimal Transmitter Placement for Indoor Wireless Communication Systems",
IEEE Transactions on Wireless Communications, vol. 3, no. 6, pp. 1906–1911, November, 2004.
Vass, M., N. Allen, C. A. Shaffer, N. Ramakrishnan, L. T. Watson, and J. J. Tyson,
"The JigCell Model Builder and Run Manager",
Bioinformatics, vol. 20, no. 18, Oxford, UK, Oxford University Press, pp. 3680–3681, 2004.
Skidmore, R. R., A. Verstak, N. Ramakrishnan, T. S. Rappaport, L. T. Watson, J. He, S. Varadarajan, C. A. Shaffer, J. Chen, K. K. Bae, et al.,
"Towards integrated PSEs for wireless communications: experiences with the S4W and SitePlanner\textregistered projects",
SIGMOBILE Mob. Comput. Commun. Rev., vol. 8, no. 2, New York, NY, USA, ACM, pp. 20–34, 2004.
Goncalves, M. A., E. A. Fox, L. T. Watson, and N. A. Kipp,
"Streams, structures, spaces, scenarios, societies (5S): a formal model for digital libraries",
ACM Trans. Infor. Systems, vol. 22, pp. 270–312, 2004.
Goncalves, M. A., E. A. Fox, L. T. Watson, and N. A. Kipp,
"Streams, structures, spaces, scenarios, societies (5S): a formal model for digital libraries",
ACM Trans. Infor. Systems, vol. 22, pp. 270–312, 2004.
Zwolak, J. W., J. J. Tyson, and L. T. Watson,
"Finding all steady state solutions of chemical kinetic models",
Nonlinear Anal.: Real World Appl., vol. 5, pp. 801-814, 2004.
Liu, B., R. T. Haftka, and L. T. Watson,
"Global-local structural optimization using response surfaces of local optimization margins",
Structural Multidisciplinary Optim., vol. 27, pp. 352–359, 2004.
Perez, V. M., J. E. Renaud, and L. T. Watson,
"An interior point sequential approximate optimization methodology",
Structural Multidisciplinary Optim., vol. 27, pp. 360–370, 2004.
Su, H. - J., J. M. McCarthy, and L. T. Watson,
"Generalized linear product homotopy algorithms and the computation of reachable surfaces",
ASME J. Comput. Information Sci. Engrg., vol. 4, pp. 226–234, 2004.
Zombori, B. G., F. A. Kamke, and L. T. Watson,
"Sensitivity analysis of internal mat environment during hot-pressing",
Wood Fiber Sci., vol. 36, pp. 195–209, 2004.
Schutte, J., R. T. Haftka, and L. T. Watson,
"Decomposition and two-level optimization of structures with discrete sizing variables",
AIAA Paper 2004–1541, in Proc. AIAA/ASME/- ASCE/AHS/ASC 45th Structures, Structural Dynamics, and Materials Conf., CD-ROM, Palm Springs, CA, pp. 5 pages, 2004.
Agarwal, H., J. C. Lee, L. T. Watson, and J. E. Renaud,
"A unilevel method for reliability based design optimization",
Proc. AIAA/ASME/ASCE/AHS/ASC 45th Structures, Structural Dynamics, and Materials Conf., CD-ROM, Palm Springs, CA, pp. 19 pages, 2004.
Setoodeh, S., Z. Gurdal, M. Abdalla, and L. T. Watson,
"Design of variable stiffness composite laminates for maximum bending stiffness",
AIAA Paper 2004–4528, in Proc. 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conf., CD-ROM, Albany, NY, pp. 8 pages, 2004.
Adams, D. B., S. Setoodeh, L. T. Watson, and Z. Gurdal,
"Pipeline implementation of cellular automata for structural design on message-passing multiprocessors",
AIAA Paper 2004–4444, in Proc. 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conf., CD-ROM, Albany, NY, pp. 9 pages, 2004.
Gantovnik, V., Z. Gurdal, and L. T. Watson,
"Linear Shepard interpolation for high dimensional piecewise smooth functions",
AIAA Paper 2004–4486, in Proc. 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conf., CD-ROM, Albany, NY, 2004.
Seresta, O., Z. Gurdal, and L. T. Watson,
"Optimal design of composite wing structure with blended laminates",
AIAA Paper 2004–4349, in Proc. 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conf., CD-ROM, Albany, NY, pp. 13 pages, 2004.
Agarwal, H., J. E. Renaud, V. M. Perez, and L. T. Watson,
"Homotopy methods for constraint relaxation in unilevel reliability based design optimization",
AIAA Paper 2004–4402, in Proc. 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conf., CD-ROM, Albany, NY, pp. 12 pages, 2004.
2003
Allen, N. A., C. A. Shaffer, M. T. Vass, N. Ramakrishnan, and L. T. Watson,
"Improving the development process for eukaryotic cell cycle models with a modeling support environment",
WSC '03: Proceedings of the 35th conference on Winter simulation: Winter Simulation Conference, pp. 782–790, 2003.
Rubin, E. J., C. A. Shaffer, N. Ramakrishnan, L. T. Watson, R. Dymond, D. Kibler, R. Dietz, J. Chanat, V. Lohani, D. Bosch, et al.,
"From Landscapes to Waterscapes: A PSE for Landuse Change Analysis",
Engineering with Computers, vol. 19, no. 1, pp. 9–25, July, 2003.
Allen, N. A., C. A. Shaffer, M. T. Vass, N. Ramakrishnan, and L. T. Watson,
"Improving the Development Process for Eukaryotic Cell Cycle Models with a Modeling support environment",
Simulation, vol. 79, no. 12, pp. 674–688, December, 2003.
Allen, N., L. Calzone, K. C. Chen, A. Ciliberto, N. Ramakrishnan, C. A. Shaffer, J. C. Sible, J. J. Tyson, M. Vass, L. T. Watson, et al.,
"Modeling Regulatory Networks at Virginia Tech",
Omics Journal of Integrative Biology, vol. Vol. 7, no. 3, pp. pages 285–300, Fall, 2003.
Verstak, A., N. Ramakrishnan, L. T. Watson, J. He, C. A. Shaffer, K. K. Bae, J. Jiang, W. H. Tranter, and T. S. Rappaport,
"BSML: A binding schema markup language for data interchange in problem solving environments",
Sci. Program., vol. 11, no. 3, Amsterdam, The Netherlands, The Netherlands, IOS Press, pp. 199–224, 2003.
Mateescu, G., C. J. Ribbens, and L. T. Watson,
"A domain decomposition preconditioner for Hermite collocation problems",
Numer. Methods Partial Differential Equations, vol. 19, pp. 135–151, 2003.
Dymond, R., V. Lohani, D. Kibler, D. Bosch, E. J. Rubin, R. Dietz, J. Chanat, C. Speir, C. A. Shaffer, N. Ramakrishnan, et al.,
"From landscapes to waterscapes: a PSE for landuse change analysis",
Engineering with Computers, vol. 19, pp. 9–25, 2003.
Adams, D. B., L. T. Watson, and Z. Gurdal,
"Optimization and blending of composite laminates using genetic algorithms with migration",
Mech. Adv. Materials Structure, vol. 10, pp. 183-203, 2003.
Zombori, B. G., F. A. Kamke, and L. T. Watson,
"Simulation of internal conditions during the hot-pressing process",
Wood Fiber Sci., vol. 35, pp. 2-23, 2003.
Adams, D. B., L. T. Watson, Z. Gurdal, and C. M. Anderson-Cook,
"A genetic algorithm with optimization and blending of composite laminates by locally reducing laminate thickness",
Adv. Engrg. Software, vol. 35, pp. 35-43, 2003.
Perez, V. M., J. E. Renaud, and L. T. Watson,
"Homotopy curve tracking in approximate interior point optimization",
AIAA Paper 2003–1670, in Proc. AIAA/ASME/ASCE/AHS 44th Structures, Structural Dynamics, and Materials Conf., CD-ROM, Norfolk, VA, pp. 11 pages, 2003.
Gantovnik, V. B., Z. Gurdal, L. T. Watson, and C. Anderson-Cook,
"A genetic algorithm for mixed nonlinear programming problems using separate constraint approximations",
AIAA Paper 2003–1700, in Proc. AIAA/ASME/ASCE/AHS 44th Structures, Structural Dynamics, and Materials Conf., CD-ROM, Norfolk, VA, pp. 7 pages, 2003.
Zwolak, J. W., J. J. Tyson, and L. T. Watson,
"Finding all steady state solutions of chemical kinetic models",
Proc. High Performance Computing Symposium 2003, I. Banicescu (ed.), Soc. for Modeling and Simulation Internat., San Diego, CA, pp. 47-53, 2003.
Mateescu, G., C. J. Ribbens, and L. T. Watson,
"A domain decomposition preconditioner for hermite collocation problems",
Num. Meth. PDEs, vol. 19, pp. 135-151, 2003.
2002
Watson, L. T., V. K. Lohani, D. F. Kibler, R. L. Dymond, N. Ramakrishnan, and C. A. Shaffer,
"Integrated Computing Environments for Watershed Management",
ASCE Journal of Computing in Civil Engineering, vol. 16, no. 4, pp. 259–268, October, 2002.
Ramakrishnan, N., L. T. Watson, D. G. Kafura, C. J. Ribbens, and C. A. Shaffer,
"Programming Environments for Multidisciplinary Grid Communities",
Concurrency and Computation: Practice and Experience, vol. 13–15, pp. 1241–1273, Nov–December, 2002.
He, J., L. T. Watson, N. Ramakrishnan, C. A. Shaffer, A. Verstak, J. Jiang, K. Bae, and W. H. Tranter,
"Dynamic Data Structures for a Direct Search Algorithm",
Comput. Optim. Appl., vol. 23, no. 1, Norwell, MA, USA, Kluwer Academic Publishers, pp. 5–25, 2002.
Ragon, S. A., Z. Gurda, and L. T. Watson,
"A comparison of three algorithms for tracing nonlinear equilibrium paths of structural systems",
Internat. J. Solids Structures, vol. 39, pp. 689–698, 2002.
Watson, L. T.,
"Probability-one homotopies in computational science",
J. Comput. Appl. Math., vol. 140, pp. 785–807, 2002.
Billups, S. C., and L. T. Watson,
"A probability-one homotopy algorithm for nonsmooth equations and mixed complementarity problems",
SIAM J. Optim., vol. 12 , pp. 606–626, 2002.
Kim, H., R. T. Haftka, W. H. Mason, L. T. Watson, and B. Grossman,
"Probabilistic modelling of errors from structural optimization based on multiple starting points",
Optim. Engrg., vol. 3, pp. 415–430, 2002.
Slotta, D. J., B. Tatting, L. T. Watson, Z. Gurdal, and S. Missoum,
"Convergence analysis for cellular automata applied to truss design",
Engrg. Comput., vol. 19, pp. 953–969, 2002.
Missoum, S., Z. Gurdal, and L. T. Watson,
"A displacement based optimization method for geometrically nonlinear frame structures",
Structural Multidisciplinary Optim., vol. 24, pp. 195–204, 2002.
Gantovnik, V. B., Z. Gurdal, and L. T. Watson,
"A genetic algorithm with memory for optimal design of laminated sandwich composite panels",
Composite Structures, vol. 58, pp. 513-520, 2002.
Perez, V. M., J. E. Renaud, and L. T. Watson,
"Adaptive experimental design for construction of response surface approximations",
AIAA J., vol. 40, pp. 2495–2503, 2002.
Kim, H., W. H. Mason, L. T. Watson, B. Grossman, M. Papila, and R. T. Haftka,
"Protection against modeling and uncertainties in design optimization",
Modeling and Simulation-Based Life Cycle Engineering, Spon Press, London, 2002, pp. 231–246, 2002.
Zwolak, J. W., J. J. Tyson, and L. T. Watson,
"Parameter estimation in a cell cycle model for frog egg extracts",
Proc. High Performance Computing Symposium 2002, A. Tentner (ed.), Soc. for Modeling and Simulation Internat., San Diego, CA, pp. 67-74, 2002.
Adams, D. B., L. T. Watson, and Z. Gurdal,
"Blending of composite panel designs using genetic algorithms",
Proc. 16th Internat. Parallel & Distributed Processing Symp., CD-ROM, IEEE Computer Soc., Los Alamitos, CA, pp. 6 pages, 2002.
Gantovnik, V. B., Z. Gurdal, and L. T. Watson,
"Genetic algorithm with memory for optimal design of laminated sandwich composite panels",
AIAA Paper 2002–1221, in Proc. AIAA/- ASME/ASCE/AHS/ASC 43rd Structures, Structural Dynamics, and Materials Conf., CD-ROM, Denver, CO, pp. 8 pages, 2002.
Gantovnik, V. B., Z. Gurdal, and L. T. Watson,
"Genetic algorithm with memory for optimal design of laminated sandwich composite panels",
AIAA Paper 2002–1221, in Proc. AIAA/- ASME/ASCE/AHS/ASC 43rd Structures, Structural Dynamics, and Materials Conf., CD-ROM, Denver, CO, pp. 8 pages, 2002.
Kim, H., M. Papila, R. T. Haftka, W. H. Mason, L. T. Watson, and B. Grossman,
"Estimating optimization error statistics via optimization runs from multiple starting points",
AIAA Paper 2002–5576, in Proc. 9th AIAA/ISSMO Symp. on Multidisciplinary Analysis and Optimization, CD-ROM, Atlanta, GA, pp. 14 pages, 2002.
Perez, V. M., J. E. Renaud, and L. T. Watson,
"An interior point sequential approximate optimization methodology",
AIAA Paper 2002–5505, in Proc. 9th AIAA/ISSMO Symp. on Multidisciplinary Analysis and Optimization, CD-ROM, Atlanta, GA, pp. 12 pages, 2002.
Cox, S. E., W. E. Hart, R. T. Haftka, and L. T. Watson,
"DIRECT algorithm with box penetration for improved local convergence",
AIAA Paper 2002–5581, in Proc. 9th AIAA/ISSMO Symp. on Multidisciplinary Analysis and Optimization, CD-ROM, Atlanta, GA, pp. 15 pages, 2002.
Kamke, F. A., L. T. Watson, B. Zombori, and J. Shu,
"A web-based problem solving environment for wood-based composite applications",
Proc. Internat. Academy of Wood Science Annual Meeting, Bejing, China, pp. 96–106, 2002.
2001
Goel, A., C. A. Baker, C. A. Shaffer, B. Grossman, W. H. Mason, L. T. Watson, and R. T. Haftka,
"VizCraft: a problem solving environment for configuration design of a high speed civil transport",
Computer Science and Engineering, vol. 3, no. 1, pp. 56–66, 2001.
Baker, C. A., L. T. Watson, B. Grossman, W. H. Mason, and R. T. Haftka,
"Parallel global aircraft configuration design space exploration",
Internat. J. Comput. Res., vol. 10, pp. 501–515, 2001.
Zombori, B. G., F. A. Kamke, and L. T. Watson,
"Simulation of the mat formation process",
Wood Fiber Sci., vol. 33, pp. 564–580, 2001.
Watson, L. T., and C. A. Baker,
"A fully-distributed parallel global search algorithm",
Engrg. Comput., vol. 18 , pp. 155–169, 2001.
Cox, S. E., R. T. Haftka, C. A. Baker, B. Grossman, W. H. Mason, and L. T. Watson,
"Global multidisciplinary optimization of a high speed civil transport",
J. Global Optim., vol. 21, pp. 415–433, 2001.
Kim, H., M. Papila, W. H. Mason, R. T. Haftka, L. T. Watson, and B. Grossman,
"“Detection and repair of poorly converged optimization runs",
AIAA J., vol. 39, pp. 2242–2249, 2001.
Hosder, S., L. T. Watson, B. Grossman, W. H. Mason, H. Kim, R. T. Haftka, and S. Cox,
"Polynomial response surface approximations for the multidisciplinary design optimization of a high speed civil transport",
Optim. Engrg., vol. 2, pp. 431–452, 2001.
Watson, L. T.,
"Globally convergent homotopy methods",
Encyclopedia of Optimization, Kluwer, Norwell, MA, A. Floudas and P. M. Pardalos (eds.), 2001.
Watson, L. T.,
"Multidisciplinary design optimization",
Encyclopedia of Optimization, Kluwer, Norwell, MA, C. A. Floudas and P. M. Pardalos (eds.), 2001.
Billups, S. C., A. L. Speight, and L. T. Watson,
"Nonmonotone path following methods for nonsmooth equations and complementarity problems",
Applications and Algorithms of Complementarity, M. C. Ferris, O. L. Mangasarian, and J.-S. Pang (eds.), Kluwer, Norwell, MA, 2001.
Adams, D. B., L. T. Watson, and Z. Gurdal,
"Global/local optimization and blending using genetic algorithms with migration",
Proc. 10th SIAM Conf. on Parallel Processing for Scientific Computing, CD-ROM, SIAM, Philadelphia, PA, pp. 8 pages, 2001.
Watson, L. T., and C. A. Baker,
"A fully distributed parallel global search algorithm",
Proc. 10th SIAM Conf. on Parallel Processing for Scientific Computing, CD-ROM, SIAM, Philadelphia, PA, pp. 10 pages, 2001.
Zwolak, J. W., J. J. Tyson, and L. T. Watson,
"Estimating rate constants in cell cycle models",
Proc. High Performance Computing Symposium 2001, A. Tentner (ed.), Soc. for Modeling and Simulation Internat., San Diego, CA, pp. 53–57, 2001.
Gurdal, Z., and L. T. Watson,
"Structural design using cellular automata",
Proc. Third Internat. Conf. on Intelligent Processing and Manufacturing of Materials, J. A. Meech, S. M. Veiga, M. M. Veiga, S. R. LeClair, and J. F. Maguire (eds.), CD-ROM, Vancouver, Canada, pp. 4 pages, 2001.
2000
Shaffer, C. A., L. T. Watson, D. G. Kafura, N. Ramakrishnan, and A. Tentner,
"Features of Problem Solving Environments for Computational Science",
Proceedings of the 2000 High Performance Computing Symposium (HPC'00), San Diego, CA, Society for Computer Simulation International, pp. 242–247, April 2000.
McMahon, M. T., and L. T. Watson,
"A distributed genetic algorithm with migration for the design of composite laminate structures",
Parallel Algorithms Appl., vol. 14, pp. 329–362, 2000.
Wise, S. M., A. J. Sommese, and L. T. Watson,
"Algorithm 801: POLSYS PLP: A partitioned linear product homotopy code for solving polynomial systems of equations",
ACM Trans. Math. Software, vol. 26, pp. 176–200, 2000.
Watson, L. T.,
"Theory of globally convergent probability-one homotopies for nonlinear programming",
SIAM J. Optim., vol. 11, pp. 761–780, 2000.
Sosonkina, M., J. T. Melson, Y. Saad, and L. T. Watson,
"Preconditioning strategies for linear systems arising in tire design",
Numer. Linear Algebra Appl., vol. 7, pp. 743–757, 2000.
Baker, C. A., L. T. Watson, S. E. Cox, B. Grossman, R. T. Haftka, and W. H. Mason,
"Study of a global design space exploration method for aerospace vehicles",
Proc. 5th NASA High Performance Computing and Communications Computational Aerosciences Workshop, CD-ROM, Mountain View, CA, pp. 10 pages, 2000.
Ragon, S., Z. Gurdal, and L. T. Watson,
"A comparison of three algorithms for tracing nonlinear equilibrium paths of structural systems",
Proc. AIAA/ASME/ASCE/AHS/ASC 41st Structures, Structural Dynamics, and Materials Conf., CD-ROM, Atlanta, GA, pp. 11 pages, 2000.
Kim, H., M. Papila, W. H. Mason, R. T. Haftka, L. T. Watson, and B. Grossman,
"Detection and correction of poorly converged optimizations by iteratively reweighted least squares",
AIAA Paper 2000-1525, in Proc. AIAA/ASME/ASCE/AHS/ASC 41st Structures, Structural Dynamics, and Materials Conf., CD-ROM, Atlanta, GA, 2000.
Baker, C. A., L. T. Watson, B. Grossman, R. T. Haftka, and W. H. Mason,
"Parallel global aircraft configuration design space exploration",
Proc. High Performance Computing Symposium 2000, A. Tentner (ed.), Soc. for Computer Simulation Internat., San Diego, CA, pp. 101–106, 2000.
Cox, S. E., R. T. Haftka, C. Baker, B. Grossman, W. H. Mason, and L. T. Watson,
"Global optimization for noise and multiple local optima",
Proc. Internat. Workshop on Multidisciplinary Design Optim., Pretoria, South Africa, pp. 50–59, 2000.
Kim, H., R. T. Haftka, W. H. Mason, L. T. Watson, and B. Grossman,
"A study of the statistical description of errors from structural optimization",
AIAA Paper 2000–4840–CP, in Proc. 8th AIAA/USAF/NASA/ISSMO Symp. on Multidisciplinary Analysis and Optimization, CD-ROM, Long Beach, CA, 2000.
Baker, C. A., L. T. Watson, B. Grossman, R. T. Haftka, and W. H. Mason,
"Parallel global aircraft configuration design space exploration",
AIAA Paper 2000–4763–CP, in Proc. 8th AIAA/USAF/NASA/ISSMO Symp. on Multidisciplinary Analysis and Optimization, CD-ROM, Long Beach, CA, 2000.
Goel, A., C. Phanouriou, F. A. Kamke, C. J. Ribbens, C. A. Shaffer, and L. T. Watson,
"WBCSim: A prototype PSE for wood-based composites simulations",
Enabling Technologies for Computational Science: Frameworks, Middleware and Environments, pp. 187-196, 2000.
1999
Shaffer, C. A., L. T. Watson, and D. G. Kafura,
"Component Frameworks for Problem Solving Environments in Computational Science",
Proceedings of the 1st Symposium on Reusable Architectures and Components for Developing Distributed Information Systems (RACDIS'99), pp. 653–656, August, 1999.
Goel, A., C. Baker, C. A. Shaffer, B. Grossman, R. Haftka, W. Mason, and L. T. Watson,
"VizCraft: A Multidimensional Visualization Tool for Aircraft Configuration Design",
VISUALIZATION '99: Proceedings of the 10th IEEE Visualization 1999 Conference (VIS '99), Washington, DC, USA, IEEE Computer Society, 1999.
Goel, A., C. Phanouriou, F. A. Kamke, C. J. Ribbens, C. A. Shaffer, and L. T. Watson,
"WBCSim: A Prototype Problem Solving Environment for Wood-Based Composites Simulations",
Engineering with Computers, vol. 15, no. 2, pp. 198–210, 1999.
Mateescu, G., C. J. Ribbens, L. T. Watson, and C. - Y. Wang,
"Effect of a sawtooth boundary on Couette flow",
Computers & Fluids, vol. 28, pp. 801–813, 1999.
1998
Shaffer, C. A., D. L. Knill, and L. T. Watson,
"Visualization for multiparameter aircraft designs",
VIS '98: Proceedings of the conference on Visualization '98, Los Alamitos, CA, USA, IEEE Computer Society Press, pp. 491–494, 1998.
1994
McQuain, W. D., C. J. Ribbens, L. T. Watson, and R. C. Melville,
"Preconditioned iterative methods for sparse linear algebra problems arising in circuit simulation",
Computers Math. Applic., vol. 27, pp. 25-45, 1994.
McQuain, W. D., C. J. Ribbens, C. - Y. Wang, and L. T. Watson,
"Steady viscous flow in a trapezoidal cavity",
Comput. & Fluids, vol. 23, pp. 613–626, 1994.
1993
Ribbens, C. J., G. G. Pitts, and L. T. Watson,
"Parallel ELLPACK for shared memory multiprocessors",
Comput. Systems Engrg., vol. 4, pp. 531-540, 1993.
Chakraborty, A., D. C. S. Allison, C. J. Ribbens, and L. T. Watson,
"The parallel complexity of embedding algorithms for the solution of systems of nonlinear equations",
IEEE Trans. Parallel Distrib. Sys., vol. 4, pp. 458–465, 1993.
Shankar, J., C. J. Ribbens, R. T. Haftka, and L. T. Watson,
"Computational study of a nonhierarchical decomposition algorithm",
Comput. Optim. Appl., vol. 2, pp. 273–293, 1993.
Ribbens, C. J., L. T. Watson, and C. deSa,
"Toward parallel mathematical software for elliptic partial differential equations",
ACM Trans. Math. Softw., vol. 13, pp. 30-46, 1993.
1992
deSa, C., K. M. Irani, C. J. Ribbens, L. T. Watson, and H. F. Walker,
"Preconditioned iterative methods for homotopy curve tracking",
SIAM J. Sci. Stat. Comput., vol. 13, pp. 30–46, 1992.
1991
Irani, K. M., M. P. Kamat, C. J. Ribbens, H. F. Walker, and L. T. Watson,
"Experiments with conjugate gradient algorithms for homotopy curve tracking",
SIAM J. Optim., vol. 1, pp. 222–251, 1991.
Chakraborty, A., D. C. S. Allison, C. J. Ribbens, and L. T. Watson,
"Note on unit tangent vector computation for homotopy curve tracking on a hypercube",
Parallel Comput., vol. 17, pp. 1385–1395, 1991.
Allison, D. C. S., K. M. Irani, C. J. Ribbens, and L. T. Watson,
"High dimensional homotopy curve tracking on a shared memory multiprocessor",
J. Supercomputing, vol. 5, pp. 347–366, 1991.
Please see projects at: http://people.cs.vt.edu/~ltw/res_projs.html
AFRL-VT Collaborative Center on Multidisciplinary Analysis and Design of Future Aerospace Vehicles
Granting Institution: AFRL
Amount: $240,737 out of total university award of $3,283,735
Mathematical Software for Optimization And Nonlinear Systems Of Equations On Terascale Computers
Granting Institution: Department of Energy
Amount: $346,255
Multiscale Modeling Simulation And Sensitivity Analysis of Biochemical Systems Motivated By Pulsatile Insulin Secretion
Granting Institution: National Science Foundation
Amount: $131,568
Parallel Deterministic And Stochastic Global Optimization Algorithms
Granting Institution: AFOSR
Amount: $718,237
Short Cycle Surrogate Based Design Optimization
Granting Institution: National Science Foundation
Amount: $111,952
Statistical Decision - Theoretic Methods for Robust Design Optimization
Granting Institution: National Science Foundation
Amount: $200,000
Stochastic Models Of Cell Cycle Regulation In Eukaryotes
Granting Institution: National Institute of General Medical Sciences
Amount: $3,424,192
Sustainable Engineered Materials From Renewable Resouces: Design And Manufacture A High-Performance Composites
Granting Institution: USDA-CREES
Amount: $48,921
The Eukaryotic Cell Cycle as a Test Case for Modeling Cellular Regulation in a Collaborative PSE
Granting Institution: DARPA
Amount: $2,442,399