Assistant Professor
Faculty of Mechanics and Computation Group, Department of Mechanical Engineering
(650) 725-3585
Email: lewa@stanford.edu
Website: http://www.stanford.edu/group/lavxm/

Professional Experience and Honors

• Nuclear Engineer, Balseiro Institute, Cuyo National University, Argentina (1998)
• M.Sc., California Institute of Technology, Aeronautics (1999)
• Ph.D., California Institute of Technology, Aeronautics (2003)
• Fredrich E. Terman Fellow, Stanford (2003)
• William F. Ballhaus Prize, Caltech (2003)
• Rolf D. Buhler Memorial Award in Aeronautics, Caltech (1999)
• National Presidency Award, Argentina (1998)

Research Interests

Tools:

• Computational solid mechanics
• Material modeling
• Numerical analysis

Physical systems of interest:

• Homeland security applications: Mechanics of materials under highly dynamic deformations, such as impact, blasts and shocks.
• Interplay between chemistry and mechanics in biology: Mechanics of polymeric networks and biomaterials

Publications

Lew A., Marsden J., Ortiz M. & West M., "An overview of variational integrators," in Franca L.P., Tezduyar T.E. and Masud A., Finite Element Methods: 1970’s and Beyond, CIMNE, Barcelona, 2004.

Lew A., Marsden J., Ortiz M. & West M., "Variational time integrators," to appear in International Journal for Numerical Methods in Engineering.

Lew A., "Variational Time Integrators in Computational Solid Mechanics," PhD. Thesis, California Institute of Technology, 2003. Available at http://etd.caltech.edu/etd/available/etd-05262003-200254/.

Lew A., Marsden J., Ortiz M. & West M., "Asynchronous variational integrators," Archive for Rational Mechanics & Analysis, 167 (2), 85-146, 2003.

Lew A. & Ortiz M., "Asynchronous variational integrators," in Geometry, Mechanics and Dynamics, volume dedicated to J. Marsden in his 60th birthday, Springer 2002.

Lew A., Radovitzky R. & Ortiz M., "An artificial viscosity, Lagrangian finite element method for capturing shocks in largely-deforming elastic-plastic materials," Journal of Computer-Aided Materials Design, 8 (2-3), 213-231, 2002.

Lew A., Buscaglia G. & Carrica P., "A note on the numerical treatment of the k-epsilon turbulence model," International Journal of Computational Fluid Dynamics, 14, 2001.