Mittal, R., Simmons, S.P., and Najjar, F.M. "Numerical Study of Pulsatile Flow in a Constricted Channel," Journal of Fluid Mechanics , vol. 485, pp. 337-378, 2003.
Balachandar, S., and Najjar, F.M. "Optimal Two-dimensional models for wake flows," Physics of Fluids, vol. 13, number 1, pp. 157-176, 2001.
Najjar, F.M., and Balachandar, S., "Low-Frequency Unsteadiness in the Wake of a Normal Flat Plate," Journal of Fluid Mechanics, vol. 370, pp. 101-147, 1998.
Balachandar, S., Mittal, R. and Najjar, F.M., "Properties of the Mean Wake Recirculation Region in the Wakes of Two-Dimensional Bluff Bodies," Journal of Fluids Mechanics, vol. 351, pp. 167-199, 997.
Najjar, F.M., and Tafti, D.K., "Comparison of Finite Difference Discretizations for High-Reynolds Number Turbulent Channel Flow with the Dynamic Subgrid-Scale Stress Model," the First AFOSR International Conference on Direct Numerical Simulations ad Large-Eddy Simulation (DNS/LES), Ruston, LA, August 1997.
Balachandar, S., Mittal, R. and Najjar, F.M., "Mean Wake Cavity and its Properties in Flow over Two-Dimensional Bluff Body Wakes," AIAA 97-0036, 35th Aerospace Sciences Conference and Exhibit, January 6-9, Reno, NV., 1997.
Zhang, L.W., Balachandar, S., Tafti, D.K., and Najjar, F.M., "Heat Transfer Enhancement Mechanisms in Inline and Staggered Parallel-Plate Fin Heat Exchangers," International Journal of Heat and Mass Transfer , in press, 1997.
Zhang, L.W., Tafti, D.K., Najjar, F.M., and Balachandar, S. "Computations of Flow and Heat Transfer in Parallel-Plate Heat Exchangers on the CM-5: Effects of Flow Unsteadiness and Three-Dimensionality," International Journal of Heat and Mass Transfer , Vol. 46, No. 6, pp. 1235-1341, 1997.
Najjar, F.M., and Tafti, D.K., "Evaluation of the Dynamic Subgrid-Scale Stress Model for Finite-Differenced LES Turbulent Channel Flow," Symposium on LES and DNS of Turbulent Flow, FED-Vol. 242, 1996 ASME ICEME, Atlanta, GA, pp. 229-236, 1996.
Najjar, F.M., and Tafti, D.K., "Implementation and Performance of a Data Parallel Algorithm for the Dynamic Subgrid-Scale Stress Model on Massively Parallel Computer," Symposium for Numerical Developments in CFD, FED-Vol. 238, 1996 ASME Flids Engineering Division Summer Meeting, San Diego, CA, pp. 225-232, 1996.
Najjar, F.M., and Tafti, D.K., "Study of Discrete Test Filters and Numerical Approximations for the Dynamic Subgrid-Scale Stress Model in Turbulent Channel Flow Simulations," Physics of Fluids, Vol. 8(4), pp. 1076-1088, 1996.
Najjar, F.M., and Vanka, S.P., "Effects of Intrinsic Three-Dimensionality on the Drag Characteristics of a Normal Flat Plate," Physics of Fluids, Vol. 7(10), pp. 2516-2518, 1995.
Najjar, F.M., and Vanka, S.P., "Simulations of the Unsteady Separated Flow past a Normal Flat Plate," Inter. J. Num. Meth. Fluids, Vol. 21, pp. 525-547, 1995.
Najjar, F.M., Thomas, B.G., and Hershey, D.E., "Numerical Study of Steady Turbulent Flow through Bifurcated Nozzles in Continuous Casting," Metallurgical and Materials Transactions B, Vol. 26B, pp. 749-765, 1995.
Najjar, F.M., and Vanka, S.P., "Simulations of Unsteady Fluid Flows on the CM-5," Symposium for Advances in Computational Methods in Fluids, FED-Vol. 196, 1994 ASME Fluids Engineering Division Summer Meeting, Lake Tahoe, NV, June, pp. 277-286, 1994.
Najjar, F.M., and Vanka, S.P., "High-Order Formulation of the Pressure Poisson Equation on Collocated Finite-Difference Grids," Symposium for Advances in Computational Methods in Fluids, FED-Vol. 196, 1994 ASME Fluids Engineering Division Summer Meeting, Lake Tahoe, NV, June, pp. 177-186, 1994.
Najjar, F.M., and Vanka, S.P., "Numerical Study of Separated-Reattaching Flow," Theoretical and Computational Fluid Dynamics, Vol. 5,pp. 291-308, 1993.
Hershey, D.E., Thomas, B.G., and Najjar, F.M., "Turbulent Flow of Steel through Bifurcated Nozzles," Inter. J. Num. Meth. Fluids, Vol. 17(1), pp. 23-47, 1993.
Huang, X.E., Thomas, B.G., and Najjar, F.M., "Modeling Superheat Removal during Continuous Casting of Steel Slabs," Metallurgical Transactions B, Vol. 23B, pp. 339-356, 1992.
Thomas, B.G., Mika, L.M., and Najjar, F.M., "Simulation of Fluid Flow and Heat Transfer inside a Continuous Slab Casting Machine," Continuous Casting, Vol. 6, Iron and Steel Society, pp. 141-154, 1992; also in Metallurgical Transactions B, Vol. 21B, pp. 387-400, 1990.
Thomas, B.G., and Najjar, F.M., "Finite-Element Modelling of Turbulent Fluid Flow and Heat Transfer in Continuous Casting," Applied Mathematical Modelling, Vol. 15, Iron and Steel Society, pp. 226-243, 1991.
TECHNICAL REPORTS
Najjar, F.M. and Balachandar, S., "Low-Frequency Unsteadiness in the Wake of a Normal Flat Plate," TAM Report No. 860, Theoretical and Applied Mechanics, University of Illinois at Urbana-Champaign, August, 1997.
Najjar, F.M. and Tafti, D.K., "Finite-Differenced Large-Eddy Simulations of Incompressible Turbulent Flows using the Dynamic Subgrid-Scale Stress Model: Effects of Test Filters and Numerical Approximations," NCSA Technical Report No. 031, National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign, 1995.
Najjar, F.M. and Vanka, S.P., "Unsteady Fluid Flow Simulations on the CM-5: Implementation and Preliminary Timings," Report No. CFD-93-02, Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, 1993.
Najjar, F.M. and Vanka, S.P., "A Numerical Study of Separated-Reattaching Flow over a Normal Plate with a Long Downstream Splitter Plate," Report No. CFD-92-01, Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, 1992.
CONFERENCES
Fielder, R., Jiao, X., Namazifard, A., Haselbacher, A., Najjar, F., and Parsons, I.D., "Coupled Fluid-Structure 3-D Solid Rocket Motor Simulations,"AIAA 2001-3954, 37th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Salt Lake City, UT, July 8-11, 2001.
Ferry, J., Balachandar, S., and Najjar, F.M., "Multiphase Flow Research and Implementation at CSAR,"AIAA 2001-3951, 37th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Salt Lake City, UT, July 8-11, 2001.
Venugopal, P., Najjar, F.M., and Moser, R.D., "Numerical Simulations of Model Solid Rocket Flows,"AIAA 2001-3950, 37th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Salt Lake City, UT, July 8-11, 2001.
Venugopal, P., Najjar, F.M., and Moser, R.D., "DNS and LES Computations of Model Solid Rocket Motors," AIAA 2000-3571, 36th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Huntsville, AL, July 16-19, 2000.
Najjar, F.M., Balachandar, S. Alavilli, P.V.S., and Ferry, J., "Computations of Two-Phase Flow in Aluminized Solid Propellant Rockets," AIAA 2000-3568, 36th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Huntsville, AL, July 16-19, 2000.
Alavilli, P.V.S., Tafti, D., and Najjar, F.M., "The Development of an Advanced Solid-Rocket Motor Simulation Program ROCFLO," AIAA 2000-0824, 38th AIAA/Aerospace Sciences Meeting and Exhibit,Reno, NV, Jnauary 10-13, 2000.
Najjar, F.M. and Balachandar, S., "Low Frequency Modulation of Shedding in Two-Dimensional Bluff Bodies," 7th Asian Congress on Fluid Mechanics, Madras, India, December, 1997.
Najjar, F.M. and Balachandar, S., "Low Frequency Unsteadiness in the Wake of a Normal Flat Plate," American Physical Society, 50th Annual Meeting, Division of Fluid Mechanics, San Francisco, CA, November, 1997.
Najjar, F.M. and Balachandar, S., "Transition Dynamics in the Wake of a Normal Flat Plate," American Physical Society, 49th Annual Meeting, Division of Fluid Mechanics, Syracuse, NY, November, 1996.
Balachandar, S., Mittal, R., and Najjar, F.M., "Wake Cavity and its Properties in Separated Flows over Bluff Bodies," American Physical Society, 49th Annual Meeting, Division of Fluid Mechanics, Syracuse, NY, November, 1996.