J.N. Reddy
Distinguished Professor and Wyatt Chair

Department of Mechanical Engineering
Engineering Physics Building, Room 210
Texas A&M University
College Station, TX 77843-3123

Email: jnreddy@tamu.edu
Phone: 979.862.2417
Fax: 979.845.3081

Departmental Website

PROFESSIONAL INTERESTS

• Thermomechanical analysis of functionally graded materials.
• Analysis of laminated composite plates and shells with actuators.
• Development of constitutive models of shape memory alloys.
• Numerical simulation of blown polymeric films.
• Numerical modeling of solidification, molding and extrusion.
• Development of robust and efficient computational (vector and parallel) algorithms for the solution of large systems of equations (element-by-element methods, mesh superposition techniques, global- local analyses, hierarchical and multigrid methods, etc).

EDUCATION

• Ph.D., Engineering Mechanics, University of Alabama (1973)
• M.S., Mechanical Engineering, Oklahoma State University (1970)
• B.E., Mechanical Engineering, Osmania University, India (1968)

WORK EXPERIENCE

• University Distinguished Professor, Texas A&M University, 1998-present
• Oscar S. Wyatt, Jr. Chair in Mechanical Engineering, Texas A&M University, 1992-present
• Clifton C. Garvin Professor of Engineering Science and Mechanics, Virginia Polytechnic Institute and State University, 1986-1992
• Professor, Engineering Science and Mechanics Department, Virginia Polytechnic Institute
and State University, 1980-1985
• Associate Professor, School of Aerospace, Mechanical, and Nuclear Engineering, University of Oklahoma, 1978-1980
• Assistant Professor, School of Aerospace, Mechanical, and Nuclear Engineering, University
of Oklahoma, 1975-1978
• Lockheed Missiles and Space Company, Huntsville, Alabama, 1974-1975

SELECTED PUBLICATIONS

305. J. P. Pontaza and J. N. Reddy, “Least-Squares Finite Element Formulation for Shear- Deformable Shells,” Computer Methods in Applied Mechanics and Engineering, Vol. 194 (21- 24), pp. 2464-2493, 2005. 306. G. T. Lim, M. -H. Wong, J. N. Reddy, and H.-J. Sue, “An Integrated Approach Towards the Study of Scratch Damage of Polymer,” Journal of Coatings Technology Research (JCT Research), Vol. 2, No. 5, pp. 361-369, 2005. 307. J. P. Pontaza and J. N. Reddy,” Least-Squares Finite Element Formulation for One- Dimensional Reactive Transfer,” Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 95, pp. 387-406, 2005. 308. S. J. Lee and J. N. Reddy, “Non-linear Response of Laminated Composite Plates Under Thermomechanical Loading,” International Journal of Non-Linear Mechanics, Vol. 40 (7), pp. 971-985, 2005. 309. K. M. Liew, J. Ren, and J. N. Reddy, “Numerical Simulation of Thermomechanical Behaviours of Shape Memory Alloys via a Nonlinear Meshfree Galerkin Formulation,” International Journal for Numerical Methods in Engineering, Vol. 63, No. 7, pp. 1014-1040, June 2005. 310. Z. Q. Cheng and J. N. Reddy, ``Structure and Properties of the Fundamental Elastic Plate Matrix,” ZAMM, Vol. 85, No. 10, pp. 721-739, 2005. 311. M. C. Ray and J. N. Reddy, “Active control of laminated cylindrical shells using piezoelectric fiber reinforced composites,” Composites Science and Technology, vol. 65, pp. 1226-1236, 2005. Resume of J. N. Reddy (http://authors.isihighlycited.com/) 43 312. Y. Urthaler and J. N. Reddy, “A Corotational Finite Element Formulation for the Analysis of Planar Beams,” Communications in Numerical Methods in Engineering, Vol. 21, No. 10, pp. 553-570, 2005. 313. D. H. Robbins, Jr., J. N. Reddy, and F. Rostam-Abadi, “An Efficient Continuum Damage Model and its Application to Shear Deformable Laminated Plates,” Mechanics of Advanced Materials and Structures, Vol. 12, No. 6, pp. 391-412, 2005. 314. H. Santos, C. M. Mota Soares, C. A. Mota Soares, and J. N. Reddy, “A Semi-Analytical Finite Element Model for the Analysis of Laminated 3D Axisymmetric Shells: Bending, Free Vibration and Buckling,” Composite Structures, Vol. 71, Nos. 3-4, pp. 273-281, Dec 2005. 315. R. A. Arciniega and J. N. Reddy, “A Consistent Third-Order Shell Theory with Application to Bending of Laminated Composite Cylindrical Shells,” AIAA Journal, Vol. 43, No. 9, pp. 2024-2038, 2005. 316. V. U. Unnikrishnan and J. N. Reddy, “Characteristics of Silicon-Doped CNT-Reinforced Nanocomposites,” Int. Journal for Multiscale Computational Engineering, Vol. 3, No. 4, pp. 437-450, 2005. 317. Z. Q. Cheng, J. N. Reddy, and Y. Xiang “Buckling of a Thin Circular Plate by In-Plane Gravity,” Journal of. Applied Mechanics, Vol. 72, Issue. 2, pp.296-298, 2005. 318. J. P. Pontaza, H.C. Chen and J. N. Reddy, “A local-analytic-based discretization procedure for the numerical solution of incompressible flows”, International Journal for Numerical Methods in Fluids, Vol. 49, No. 6, pp. 657-699, 2005. 319. D. H. Robbins, J. N. Reddy and F. Rostam-Abadi, “Layerwise modeling of progressive damage in fiber-reinforced composite laminates,” International Journal of Mechanics and Materials in Design, Vol. 2, pp. 165-182, 2005. 320. Y. Y. Lee, H. Y. Sun, and J. N. Reddy, “Nonlinear Finite Element Modal Approach for the Large Amplitude Free Vibration of Symmetric and Unsymmetric Composite Plates,” International Journal for Numerical Methods in Engineering, Vol. 65, pp. 45-61, 2006. 321. N. Murgude and J. N. Reddy, “Nonlinear Analysis of Microbeam under Electrostatic Loading,” Mechanics of Advanced Materials and Structures, Vol. 13, No. 1, pp. 13-32, 2006. 322. J. P. Pontaza and J. N. Reddy, “Least-squares finite element formulations for viscous compressible and incompressible fluid flows,” Computer Methods in Applied Mechanics and Engineering, vol. 195, 2454-2494, 2006. 323. K. S. Surana, R. K. Maduri, P. W. TenPas, J. N. Reddy, “Elastic Wave Propagation in Laminated Composites Using the Space-Time Least-Squares Formulation in h,p,k Framework,” Mechanics of Advanced Materials and Structures, Vol. 13, No. 2, pp. 161-196, 2006. 324. K. S. Surana, A. Rajwani, and J. N. Reddy, “The k-Version Finite Element Method for Singular Boundary-Value Problems with Application to Linear Fracture Mechanics,” International Journal of Computational Methods in Engineering Science and Mechanics, Vol. 7, No. 3, pp. 217-239, 2006. 325. M. McCutcheon, T. Creasy, and J. N. Reddy, “Damping Composite Materials by Machine Augmentation,” Journal of Sound and Vibration, Vol. 294, Nos. 4-5, pp. 828-840, 2006. Resume of J. N. Reddy (http://authors.isihighlycited.com/) 44 326. C. W. Lim, Z. -Q. Cheng, and J. N. Reddy, “Natural Frequencies of Laminated Piezoelectric Plates Containing Internal Electrodes,” ZAMM, Vol. 86, No. 5, pp. 410-420, 2006. 327. H. Santos, C. M. Mota Soares, C. A. Mota Soares, and J. N. Reddy, “A Finite Element Model for the Analysis of 3D Axisymmetric Laminated Shells with Piezoelectric Sensors and Actuators,” Composite Structures, Vol. 75, No. 1-4, pp. 170-178, Sep 2006. 328. V. Prabhakar and J. N. Reddy, “Spectral/hp Penalty Least-Squares Finite Element Formulation for the Steady Incompressible Navier-Stokes Equations,” Journal of Computational Physics, Vol. 215, No. 1, pp. 274-297, Jun 2006. 329. K. S. Surana, P. Gupta, P.W. Tenpas and J. N. Reddy, “h, p, k Least Squares Finite Element Processes for 1-D Helmholtz Equation,” International Journal for Computational Methods in Engineering Science and Mechanics, Vol. 7, No. 4, pp.263-291, 2006. 330. K. Surana, A. Mohammed, J. N. Reddy, P. W. Tenpas, “k-Version of Finite Element Method in 2-D Polymer Flows: Oldroyd-B Constitutive Model ,” International Journal of Numerical Methods in Fluids, Vol. 52, No. 2, pp. 119-162, Sep 2006. 331. S. J. Lee, J. N. Reddy, and F. Rostam-Abadi, “Nonlinear Finite Element Analysis of Laminated Composite Shells with Actuating Layers,” Finite Elements in Analysis and Design, Vol. 43, No. 1, pp. 1-21, Nov 2006. 332. V. Prabhakar and J. N. Reddy, “Orthogonality of Modal Bases in hp Finite Element Models,” International Journal of Numerical Methods for Fluids, Vol. 54, No. 11, pp. 1291- 1312, 2007. 333. K. S. Surana, S. Allu, P. W. Tenpas, and J. N. Reddy, “k-Version Finite Element Method in Gas Dynamics: Higher Order Global Differentiability Numerical Solutions,” International Journal for Numerical Methods in Engineering, Vol. 69, No. 6, pp. 1109-1157, 2007. 334. R. A. Arciniega and J. N. Reddy, “Tensor-based Finite Element Formulation for Geometrically Nonlinear Analysis of Shell Structures,” Computer Methods in Applied Mechanics and Engineering, Vol. 196, Nos. 4-6, pp. 1048-1073, 2007. 335. K. S. Surana, J. N. Reddy, and S. Allu, “The k-version of Finite Element Method for Initial Value Problems: Mathematical and Computational Framework,” Int. J. Comp. Meth. Engng. Sci. Mech., Vol. 8, No. 3, pp. 123-136, 2007. 336. K. S. Surana, M. K. EngelKemier, J. N. Reddy and P.W. TenPas, “k-version Least Squares Finite Element Processes for 2-D Generalized Newtonian Fluid Flows,” Int. J. Comp. Meth.. Eng. Sci. and Mechanics, Vol. 8, 243-261, 2007. 337. R. A. Arciniega and J. N. Reddy, “Large Deformation Analysis of Functionally Graded Shells,” International Journal of Solids and Structures, Vol. 44, No. 6, pp. 2036-2052, 2007. 338. R. S. Karedla and J. N. Reddy, “Modeling of Crack Tip High Inertia Zone in Dynamic Brittle Fracture,” Engineering Fracture Mechanics, Vol 74(13), pp 2084-2098, 2007. 339. G. U. Unnikrishnan , V. U. Unnikrishnan, and J. N. Reddy, “Constitutive Material Modeling of Cell: A Micromechanics Approach,” Journal of Biomechanical Engineering – Transactions of ASME, Vol. 129, No. 3, pp. 315-323, 2007. 340. H. Jiang, G. T. Lim, J. N. Reddy, and H. J. Sue, “Finite Element Method Parametric Study on Scratch Behavior of Polymers,” Journal of Polymer Science Part B-Polymer Physics, Vol. 45, No. 12, pp. 1435-1447, Jun 2007. Resume of J. N. Reddy (http://authors.isihighlycited.com/) 45 341. K. S. Surana, P. Gupta, and J. N. Reddy, “Galerkin and Least-Squares Finite Element Processes for 2-D Helmholtz Equation in h, p, k Framnework,” Int. J. Comp. Meth. Engng. Sci. Mech., Vol. 8, No. 5, pp. 341-361, 2007. 342. J. N. Reddy, “Nonlocal Theories for Bending, Buckling and Vibration of Beams,” International Journal of Engineering Science, Vol. 45, pp. 288-307, 2007. 343. K. S. Surana, R. Kanthi Mahanthi, and J. N. Reddy, “Galerkin/Least-Squares Finite Element Processes for BVP in h, p, k Mathematical Framnework,” Int. J. Comp. Meth. Engng. Sci. Mech., Vol. 8, No. 6, pp. 439-462, 2007. 344. V. U. Unnikrishnan, G. U. Unnikrishnan, J. N. Reddy, and C. T. Lim, "Atomistic- Mesoscale Coupled Mechanical Analysis of Polymeric Nanofibers," Journal of Materials Science, Vol. 42, No. 21, pp. 8844-8852, 2007. 345. V. Prabhakar and J. N. Reddy, "A Stress-based Least-Squares Finite-element Model for Incompressible Navier-Stokes Equations," International Journal for Numerical Methods in Fluids, Vol. 54, No. 11, pp. 1369-1385, 2007. 346. P. Lu, P. Q. Zhang, H.P. Lee, C.M. Wang, and J. N. Reddy, “Nonlocal Elastic Plate Theories,” Proceedings of the Royal Society A – Mathematical Physical and Engineering Sciences, London, Vol. 463, pp. 3225-3240, 2007. 347. J. Ju, B. D. Pickle, R. J. Morgan, and J. N. Reddy, “An Initial and Progressive Failure Analysis for Cryogenic Composite Fuel Tank Design,” Journal of Composite Materials, Vol. 41, pp. 2545-2568, 2007. 348. V. Prabhakar, J. Pontaza, and J. N. Reddy, “A Collocation Penalty Least-squares Finite Element Formulation for Incompressible Flows,” Computer Methods in Applied Mechanics and Engineering, Vol. 197, pp. 449-463, 2008. 349. F. Moleiro, C. M. Mota Soares, C. A. Mota Soares, J. N. Reddy, “Mixed Least –Squares Finite Element Model for the Static Analysis of Laminated Composite Plates,” Computers & Structures , Vol. 86(9), pp 826-838, 2008. 350. K. S. Surana, L. R. Anthoni, S. Allu, and J.N. Reddy, “Strong and Weak Form of the Governing Differential Equations in Least Squares Finite Element Processes in h, p. k Framework,” Int. J. Computational Meth. Engng Sci. Mechanics, Vol. 9, No. 1, pp. 1-24, 2008. 351. D. H. Robbins, Jr. and J. N. Reddy, “Adaptive Hierarchical Kinematics in Modeling Progressive Damage and Global Failure in Fiber-Reinforced Composite Laminates,” Journal of Composite Materials, Vol. 42, No. 6, pp. 569-592, 2008. 352. H. Santos, C. M. Mota Soares, C.A. Mota Soares, J.N. Reddy, “A Finite Element Model for the Analysis of 3D Axisymmetric Laminated Shells with Piezoelectric Sensors and Actuators: Bending and Free Vibrations,” Computers & Structures, Vol. 86 (9), pp 940-947, 2008. 353. Y. Urthaler and J. N. Reddy, “A Mixed Finite Element for the Nonlinear Bending Analysis of Laminated Composite Plates based on FSDT,” Mechanics of Advanced Materials and Structures, Vol. 15, No. 5, pp. 335-354, 2008. 354. R. Gunes and J. N. Reddy, Nonlinear Analysis of Functionally Graded Circular Plates Under Different Loads and Boundary Conditions,” International Journal of Structural Stability and Dynamics, Vol. 8, No. 1, pp. 131-159, 2008. Resume of J. N. Reddy (http://authors.isihighlycited.com/) 46 355. J. N. Reddy and S. D. Pang, ``Nonlocal Continuum Theories of Beams for the Analysis of Carbon Nanotubes,’’ Applied Physics Letters, Vol. 103, pp. 023511-1 to 023511-16, 2008. 356. K. S. Surana, S. Bhola, J.N. Reddy, and P. W. TenPas, “k-Version of finite element method in 2D-polymer flows: Upper convected Maxwell model,” Computers and Structures, Vol. 86, Nos. 17-18, pp. 1782-1808, 2008. 357. J. Ju, B. D. Pickle, R. J. Morgan, and J. N. Reddy, “An Initial and Progressive Failure Analysis for Cryogenic Composite Fuel Tank Design,” Journal of Composite Materials, Vol. 42, No. 6, pp. 569-592, 2008. 358. V. U. Unnikrishnan, G. U. Unnikrishnan, and J. N. Reddy, “Multiscale Homogenization Based Analysis of Polymeric Nanofiber Scaffolds,” Mechanics of Advanced Materials and Structures, Vol. 15, No. 8, pp. 558-566, 2008. 359. Rakesh Ranjan and J.N. Reddy, “Convective Heat Transfer in Porous Materials,” Encyclopedia of Agricultural, Food, and Biological Engineering, April 2008. 360. V. Prabhakar and J. N. Reddy, “Spectral/hp Penalty Least-squares Finite Element Formulation for Unsteady Incompressible Flows,” International Journal of Numerical Methods for Fluids, Vol. 58 (3), pp. 287-306, 2008. 361. V. U. Unnikrishnan, D. Banerjee, and J. N. Reddy, “Atomistic-Mesoscale Interfacial Resistance Based Thermal Analysis of Carbon Nanotube Systems,” International Journal of Thermal Sciences, Vol. 47, No. 12, pp. 1602-1609, 2008. 362. K. S. Surana, S. Allu, J. N. Reddy and P. W. TenPas, “Least Squares Finite Element Processes in h,p,k Mathematical and Computational Framework for a non-linear conservation law,” Int. J. Num. Meth. in Fluids, Vol. 57, No. 10, pp. 1545-1568, 2008. 363. H. Santos, C.M. Mota Soares, C.A. Mota Soares, J.N. Reddy, “A Semi-Analytical Finite Element Model for the Analysis of Cylindrical Shells Made of Functionally Graded Materials Under Thermal Shock”, Composite Structures, Vol. 86, pp. 10-21, 2008 . 364. F. Moleiro, C.M. Mota Soares, C.A. Mota Soares and J.N. Reddy, “Mixed least-squares finite element model for the static analysis of laminated composite plates,” Computers and Structures, Vol. 86, pp. 826-838, 2008. 365. V. U. Unnikrishnan, J. N. Reddy, D. Banerjee, and F. Rostam-Abadi, “Thermal Characteristics of Defective Carbon Nanotube-Polymer Nanocomposites,” Interaction and Multiscale Mechanics, An International Journal, Vol. 1, No. 4, pp. 397-410, 2008. 366. Z. S. Shao, K. K. Ang, J. N. Reddy, and T. J. Wang, “Nonaxisymmetric Thermomechanical Analysis of Functionally Graded Hollow Cylinders,” Journal of Thermal Stresses, Vol. 31, pp. 515-536, 2008. 367. H.M. Ma, X.-L. Gao, and J.N. Reddy, “A Microstructure-Dependent Timoshenko Beam Model Based on a Modified Couple Stress Theory,” Journal of the Mechanics and Physics of Solids, Vol. 56, pp. 3379-3391, 2008.