Summary of Engineering Research

Aerodynamics
^ Broeren, A. P. and M. B. Bragg. Unsteady stalling characteristics of thin airfoils at low-Reynolds number. Proc. Conf. on Fixed, Flapping and Rotary Wing Vehicles at Very Low Reynolds Numbers (Notre Dame, Ind., Jun. 2000) 396-420 (2000).

^ Gefroh, D., E. Hafenricheter, J. C. Dutton, S. McIlwain, and E. Loth. Experiments of aeroelastic mesoflaps. AIAA 38th Aerospace Sciences Mtg. (Reno, Nev., Jan. 2000) AIAA 2000-0355 (2000).

^ Gefroh, D., E. Hafenricheter, J. C. Dutton, S. McIlwain, E. Loth, and P. Geubelle. Simulation and experimental analysis of a novel SBLI flow control system. AIAA Fluid Dynamics 2000 (Denver, Colo., Jun. 2000) AIAA 2000-2237 (2000).

^ Giguère, P. and M. Selig. Blade geometry optimization for the design of wind turbine rotors. AIAA 38th Aerospace Sciences Mtg. (Reno, Nev., Jan. 2000) AIAA 2000-0045 (2000).

^ Gopalarathnam, A. and M. S. Selig. A hybrid approach to inverse design of complex aerodynamic systems. AIAA 38th Aerospace Sciences Mtg. (Reno, Nev., Jan. 2000) AIAA 2000-0784 (2000).

^ Kumar, S. and E. Loth. Aerodynamic simulations of airfoils with large-droplet ice-shapes. AIAA 38th Aerospace Sciences Mtg. (Reno, Nev., Jan. 2000) AIAA 2000-0238 (2000).

^ Lee, S., H. Kim, and M. B. Bragg. Investigation of factors that influence iced-airfoil aerodynamics. AIAA 38th Aerospace Sciences Mtg. (Reno, Nev., Jan, 2000) AIAA 2000-0099 (2000).

^ Lu, B. and M. B. Bragg . Experimental investigation of airfoil drag measurement with simulated leading-edge ice using the wake survey method . Proc. 18th AIAA Applied Aerodynamics Conf. (Denver, Colo., Aug. 2000 ) AIAA 2000-3919, 12-21 ( 2000 ).

^ Selig, M., A. Gopolarathnam, P. Giguère, and C. Lyon. Systematic airfoil design studies at low Reynolds numbers. Proc. Conf. on Fixed, Flapping, and Rotary Wing Vehicles at Very Low Reynolds (Notre Dame, Ind., Jun. 2000) (2000).

^ Wood, B., E. Loth, P. Geubelle, and S. McIlwain. A numerical methodology for an aeroelastic SBLI control. AIAA 38th Aerospace Sciences Mtg. (Reno, Nev., Jan. 2000) AIAA 2000-0522 (2000).

Astrodynamics
^ Cerven, W. T. and V. Coverstone-Carroll. Optimal reorientation of a multibody spacecraft through joint motion using averaging theory. AAS/AIAA Spaceflight Mechanics Mtg. (Clearwater, Fla., Jan. 2000) AAS 00-203 (2000).

^ Lakso, J. and V. Coverstone-Carroll. Optimal tether deployment/retrieval trajectories using direct collocation. AIAA /AAS Astrodynamics Specialist Conf. (Denver, Colo., Aug. 2000) AIAA 2000-4349 (2000).

^ Prussing, J. E.. A class of optimal two-impulse rendezvous using multiple-revolution Lambert solutions. Univelt Inc. (San Diego, Calif., Mar. 2000) Vol. 106, pp. 17-39 (2000).

^ Prussing, J. E.. A class of optimal two-impulse rendezvous using multiple-revolution Lambert solutions. The Richard H. Battin Astrodynamics Symp. (College Station, Tex., Mar. 2000) Paper AAS 00-250 (2000).

Combustion
^ Buckmaster, J., T. L. Jackson, A. Hegab, and S. Kochevets. Modeling propellants and modeling propellant flames. Proc. 37th JANNAF Combustion Mtg. (Monterey, Calif., Nov. 2000) (2000).

Computational Fluid Dynamics
^ Choo, Y., K. D. Lee, D. Thompson, and M. Vickerman. Surface preparation and grid generation for the simulation of icing effects on airfoil performance and for the prediction of ice accretion on airfoils. 7th Int. Conf. on Numerical Grid Generation in Computational Field Simulations (Whistler, B.C., Sep. 2000) (2000).

^ Chung, J. and K. D. Lee. Shape optimization of transonic compressor blades using quasi-3D flow physics. 45th ASME International Gas Turbine and Aerospace Congr. (Munich, Germany, May 2000) AIAA 2000-GT-0489 (2000).

^ Chung, J., J. Shim, and K. D. Lee. 3D transonic compressor design optimization with quasi-3D flow physics. ASME Fluids Engineering Ann. Mtg. (Boston, Mass., Jun. 2000) FEDSM 00-11075 (2000).

^ Chung, J., J. Shim, and K. D. Lee. Design of 3D transonic compressor blades using numerical optimization. 38th AIAA Aerospace Sciences Mtg. (Reno, Nev., Jan. 2000) AIAA 2000-0227 (2000).

^ Chung, J., J. Shim, and K. D. Lee. Turbomachinery design strategy with 3D Navier-Stokes equations. UKC 2000 (Chicago, Ill., Sep. 2000) ATS-4-4 (2000).

^ Eyi, S. and K. D. Lee. Turbomachinery blade design via optimization. 38th AIAA Aerospace Sciences Mtg. (Reno, Nev., Jan. 2000) AIAA 2000-0740 (2000).

^ Lee, K. D. and J. Shim, J.. A computational investigation of aircraft icing effects in aviation safety. UKC 2000 (Chicago, Ill., Sep. 2000) ATS-3-3 (2000).

^ Shim, J., J. Chung, and K. D. Lee. A comparison of turbulence modeling in flow analysis of iced airfoils. 18th AIAA Applied Aerodynamics Conf. (Denver, Colo., Aug. 2000) (2000).

^ Shim, J., J. Chung, and K. D. Lee. A grid generation strategy for CFD analysis of iced airfoil flows. 7th Int. Conf. on Numerical Grid Generation in Computational Field Simulations (Whistler, B.C., Sep. 2000) (2000).

Dynamical Systems
^ McDonald, R. J. and N. S. Namachchivaya. Dynamics of a pipe conveying pulsating flow near criticality. Nonlinear Dynamics and Stochastic Mechanics, AMD 241, American Society of Mechanical Engineers (New York, N.Y., 2000) 13-20 (2000).

^ Namachchivaya, N. S., R. B. Sowers, and L. Vedula. Nonstandard reduction of noisy mechanical systems. EUROMECH-413-Colloq. on Stochastic Dynamics of Nonlinear Mechanical Systems (Palermo, Italy, Jun. 2000) 10 pages, CD-ROM (2000).

^ Ramakrishnan, N. and N. S. Namachchivaya. Near-resonant motion of randomly perturbed two-frequency intergrable systems. 8th ASCE Joint Specialty Conf. on Probabilistic Mechanics and Structural Reliability (Notre Dame, Ind., Jul. 2000) 12 pages, CD-ROM (2000).

^ Vedula, L. and N. S. Namachchivaya. Stochastically perturbed nonlinear gyroscopic systems: application to rotating shafts. 8th ASCE Joint Specialty Conf. on Probabilistic Mechanics and Structural Reliability (Notre Dame, Ind., Jul. 2000) 12 pages, CD-ROM (2000).

^ Vedula, L. and N. S. Namachchivaya. Nonstandard reduction of noisy structural systems: shallow arches. Nonlinear Dynamics and Stochastic Mechanics, AMD 241, American Society of Mechanical Engineers (New York, N.Y., 2000) 1-81 (2000).

Lasers
^ Carroll, D. L. and W. C. Solomon. ElectriCOIL: an advanced chemical iodine laser concept. XIII Int. Symp. on Gas Flow and Chemical Lasers and High-Power Lasers (Florence, Italy, Sep. 2000) (2000).

^ Carroll, D. L., W. C. Solomon, D. M. King, L. Fockler, D. Stromberg, M. Sexauer, A. Milmoe, and L. H. Sentman. Advanced mixing nozzle concepts for COIL. Int. Conf. on Lasers 1999 (Quebec City, Que., Dec. 1999) (2000).

^ King, D. M., D. L. Carroll, J. K. Laystrom, J. Verdeyen, M. Sexauer, and W. C. Solomon. ElectriCOIL: preliminary experiments of excited oxygen generation by RF discharge. Proc. Int. Conf. on Lasers 2000 (Albuquerque, N. Mex., Dec. 2000) (2000).

^ Stromberg, D. S., L. A. Fockler, D. L. Carroll, and W. C. Solomon. New simulations for COIL lasers from the University of Illinois. Laser Optics 2000 (St. Petersburg, Russia, Jun. 2000) (2000).

Materials and Structures
^ Brown, E., N. Sottos, S. White, P. Geubelle, and J. Moore. Self-healing composites using embedded microspheres: fracture toughness of epoxy matrix. ICTAM 2000 Conf. (Chicago, Ill., Aug. 2000) (2000).

^ Geubelle, P. H.. Numerical simulation of dynamic fracture problems. Proc. MAPINT 2000 (Dayton, Ohio, Aug. 2000) (2000).

^ Geubelle, P. H.. Spectral scheme simulations of dynamic fracture problems. ASME IMECE 2000 (Orlando, Fla., Nov. 2000) (2000).

^ Geubelle, P. H. and A. Acharya. Thermoelastic spectral analysis of dynamically propagating cracks. Proc. 37th Ann. Tech. Mtg. of the Society of Engineering Science (Columbia, S.C., Oct. 2000) (2000).

^ Geubelle, P. H., M. S. Breitenfeld, D. Kubair, and C. Hwang. Simulation of fundamental dynamic fracture problems using a spectral scheme. ICES2K (Anaheim, Calif., Aug. 2000) (2000).

^ Hwang, C. and P. H. Geubelle. Subsonic and intersonic crack propagation in unidirectional and cross-ply composites. ASME IMECE 2000 (Orlando, Fla., Nov. 2000) (2000).

^ Krishnan, S. S. H. Yoon, and S. R. White. Dynamic mechanical analysis of nitinol beam. Adaptive Structures and Materials Systems Symp., ASME IMECE 2000 (Orlando, Fla., Nov. 2000) 13-18 (2000).

^ Kubair, D. and P. Geubelle. Intersonic crack propagation in homogeneous media under shear-dominated mixed-mode loading. ICTAM 2000 Conf. (Chicago, Ill., Aug. 2000) (2000).

^ Maiti, S. and P. Geubelle. Simulation of damage mechanisms in high-speed grinding of ceramics. ICTAM 2000 Conf (Chicago, Ill., Aug. 2000) (2000).

^ White, S., P. Geubelle, and C. Tucker. Process optimization for dimensional accuracy for polymer composites. 2000 NSF Design and Manufacturing Grantee's Conf. (Vancouver, B.C., Jan. 2000) (2000).

^ Zhu, Q. and P. H. Geubelle. Effects of the manufacturing process on the dimensional accuracy of thermoset composites. ASME IMECE 2000 (Orlando, Fla., Nov. 2000) (2000).

^ Zhu, Q. and P. Geubelle. Process-induced residual stresses and warpage in polymer composites. ICTAM 2000 Conf (Chicago, Ill., Aug. 2000) (2000).

Propulsion and Combustion
^ Antonsen, E. L, R. L. Burton, S. F. Engelman, and G. G. Spanjers. Herriott cell interferometer for unsteady density measurements in small length scale thruster plasmas. 36th AIAA Joint Propulsion Conf. (Huntsville, Ala., Jul. 2000) AIAA 2000-3431 (2000).

^ Beddini, R. A. and Y. Lee. Visco-acoustic and resonant interactions in solid and hybrid propulsion chambers. 2000 JANNAF CS/PSHS/APS Joint Mtg. (Monterey, Calif., Nov. 2000) (2000).

^ Beddini, R. A. and C. E. Low. Hydrodynamic stability of flow in homogeneous porous media . 20th Int. Congr. of Theoretical and Applied Mechanics (Chicago, Ill., Aug. 2000) (2000).

^ Lee, Y. and R. A. Beddini. Effect of solid rocket chamber pressure on acoustically-induced turbulent transition. 36th AIAA Joint Propulsion Conf. (Huntsville, Ala., July 2000) AIAA 2000-3802 (2000).

^ Melcher, J. C., J. T. Brzozowski, H. Krier, and R. L. Burton. Combustion of aluminum in solid rocket motor flows. 36th AIAA Joint Propulsion Conf. (Huntsville, Ala., Jul. 2000) AIAA 2000-3333 (2000).

^ Rysanek, F. and R. L. Burton. Effects of geometry and energy on a coaxial teflon pulsed plasma thruster. 36th AIAA Joint Propulsion Conf. (Huntsville, Ala., Jul. 2000) AIAA 2000-3429 (2000).

^ Servaites, J. C., R. L. Burton, J. C. Melcher, and H. Krier. Ignition and combustion of aluminum particles in shocked H₂O/O₂/Ar and CO₂/O₂/Ar mixtures. 36th AIAA Joint Propulsion Conf. (Huntsville, Ala., Jul. 2000) AIAA 2000-3331 (2000).

Structural Dynamics
^ Caicedo, J. M., G. Turan, S. J. Dyke, and L. A. Bergman. Comparison of modeling techniques for dynamic analysis of a cable-stayed bridge. 14th ASCE Engineering Mechanics Conf. (Austin, Tex., May 2000) CD-ROM (2000).

^ Dyke, S. J., J. M. Caicedo, L. A. Bergman, and G. Turan. Introducing a benchmark control problem for a cable-stayed bridge subjected to seismic excitation. US-China Millennium Symp. on Earthquake Engineering (Beijing, China, Nov. 2000) (2000).

^ Dyke, S. J., G. Turan, J. M. Caicedo, L. A. Bergman, and S. Hague. Benchmark control problem on the seismic response of cable-stayed bridges. 2nd European Conf. on Structural Control (Paris, France, Jul. 2000) (2000).

^ Pesterev, A. V., B. Yang, L. A. Bergman, and C. A. Tan. Response and stress calculation of an elastic continuum carrying multiple moving oscillators. Proc. Int. Conf. on Advances in Structural Dynamics (Hong Kong, Dec. 2000) 545-552 (2000).

^ Wojtkiewicz, S. F. and L. A. Bergman. Numerical solution of high-dimensional Fokker-Planck equations. 8th ASCE Joint Specialty Conf. on Probabilistic Mechanics and Structural Reliability (Notre Dame, Ind., Jul. 2000) CD-ROM (2000).

Structural Mechanics
^ Beldica, C. E. and H. H. Hilton. Aero-viscoelasticity and structural failure. Proc. MAPINT 2000 (Dayton, Ohio, Aug. 2000) 12-13 (2000).

^ Beldica, C. E. and H. H. Hilton. Delay of creep buckling and of probabilistic failures of linear viscoelastic plates. Proc. AIAA Structures, Structural Dynamics and Materials Conf. (Atlanta, Ga., Apr. 2000) AIAA 2000-1648, 129-138 (2000).

^ Beldica, C. E. and H. H. Hilton. The influence of viscoelastic wave generation on experimental material property characterization—analytical and computational simulations. Proc. IUTAM Symp. on Mechanical Waves for Composite Structures Characterization (Chania, Crete, Jun. 2000) 27-32 (2000).

^ Beldica, C. E. and H. H. Hilton. Lateral creep buckling and failure probabilities of linear viscoelastic beams. 7th Int. Conf. on Composites Engineering, ICCE (Monterey, Calif., Jul. 2000) 73-74 (2000).

^ Beldica, C. E. and H. H. Hilton. Nonlinear creep stall, torsional divergence and failure probabilities of viscoelastic lifting surfaces. Int. Conf. on Nonlinear Problems in Aviation and Aerospace (Daytona Beach, Fla., 2000) 18-19 (2000).

^ Beldica, C. E. and H. H. Hilton. Optimum composite material property configurations for piezo-viscoelastic structural control: analytical and computational simulations. Proc. 15th Ann. Tech. Conference of the American Society for Composites (College Station, Tex., Sep. 2000) 329-334 (2000).

^ Beldica, C. E. and H. H. Hilton. Piezoelectric control of deformations and failure probabilities in viscoelastic Timoshenko beams. Int. Congr. on Theoretical and Applied Mechanics (Chicago, Ill., Aug. 2000) 180 (2000).

^ Beldica, C. E. and H. H. Hilton. Piezoelectric control of lateral creep buckling and failure probabilities of linear viscoelastic beams. Proc. 37th Ann. Tech. Mtg. of the Society of Engineering Science (Columbia, S.C., Oct. 2000) LL:248 (2000).

^ Beldica, C., H. Hilton, and S. Koric. Viscoelastic torsion under piezoelectric control—analytical and massively parallel computational simulations and performance evaluations. Proc. Applications of High Performance Computing in Engineering V (Maui, Hawaii, Feb. 2000) 147-156 (2000).

^ Beldica, C. E., H. Hilton, and S. Koric. Viscoelastic bending and torsion under piezoelectric control—analytical and massively parallel computational simulations and performance evaluations. Proc. 25th Annual Aerospace Science Symp. (Dayton, Ohio, Mar. 2000) 31-32 (2000).

^ Hilton, H. H. . Nonlinear viscoelastic analysis and simulation of lifting surface instabilities with piezoelectric control. Proc. Third World Congr. of Nonlinear Analysts (Catania, Sicily, Jul. 2000) 1492-1521 (2000).

Systems and Control
^ Voulgaris, P. G. . Control of nested systems. Proc. American Control Conf. (Chicago, Ill., Jun. 2000) (2000).

^ Voulgaris, P. G. . Optimal control of systems with delayed observation sharing patterns via input-output methods. 38th IEEE Conf. on Decision and Control (Sydney, Australia, Dec. 2000) (2000).

^ Voulgaris, P. G. . Robust and multiobjective control. Summer School on Advanced Control (Bertinoro, Italy, 2000) (2000).

^ Voulgaris, P. G., G. Bianchini, and B. Bamieh. Optimal decentralized controllers for spatially distributed systems. 38th IEEE Conf. on Decision and Control (Sydney, Australia, Dec. 2000) (2000).

Two-Phase Flow
^ Felton, K. and E. Loth. Turbulent bubble dispersion in boundary layer. ASME Summer Fluids Engineering Mtg. (Boston, Mass., Jul. 2000) FEDSM 2000-11140 (2000).

^ Hancir, P., A. Anderson, and E. Loth. Computations of droplet distribution in the NASA IRT. 38th AIAA Aerospace Sciences Mtg. (Reno, Nev., Jan. 2000) AIAA 2000-0101 (2000).

^ Loth, E.. An Eulerian model for free-shear multiphase turbulent diffusion. ASME IMECE Mtg. (Orlando, Fla., Nov. 2000) (2000).