Elnagar, G. “Modern Modeling and Simulations: Full Geometry Realism, Coupled Multi-Phenomena Modeling, and Advanced Parallel Algorithms,” Oak Ridge National Laboratory, TN, Spring 2011.

Elnagar, G. “Spectral Methods in Generating Anistropic Mesh for Capturing Boundary Layer Flow and Heat Flux,” Oak Ridge National Laboratory, TN, Summer 2011.

Elnagar, G. “Pseudospectral Methods in solving Nonlinear Conservation Laws with Multiple shock Discontinuities,” Oak Ridge National Laboratory, TN, Fall 2011.

Elnagar, G. “Optimization of Funcational Integral Equations,” UNC Charlotte, Fall 2011.

Elnagar, G. “Geometry, Meshing, and Adaptive Spectral Methods in Engineering Sciences,” SIAM Conference in Computational Sciences, Miami, Florida, 2010.

Elnagar, G. “Numerical Solution of Time-Delayed Functional Differential Equations Control Systems,” SIAM International Conference on Emerging Topics in Dynamical Systems & Partial Differential Equations (DSPDE 10), Barcelona, Spain, 2010.

Elnagar, G. “Mesh Adaptivity and Field Transfer for Climate Modeling,” Oak Ridge National Laboratory (ORNL), Oak Ridge, Tennessee, 2010.