Research
Uncertainty quantification (to predict malfunctioning of engineering systems under catastrophic conditions, e.g. explosion, earthquake); risk analysis (implications for risk assessment projects in aerospace and petroleum industries, risk modelling for defense initiatives); nonlinear, stochastic and chaotic vibration; structural acoustics and fluid structure interaction; stochastic finite element; flow through disordered porous media; domain decomposition of stochastic PDEs, data assimilation and parallel computing for large-scale stochastic system.
Application
Civil and environmental engineering.
Activities
- Probabilistic Methods Committee, American Society of Civil Engineers (ASCE)
- Dynamics Committee, American Society of Civil Engineers (ASCE)
Journal Articles
M. Khalil, A. Sarkar, and S. Adhikari (2008), “Nonlinear Filters for Chaotic Oscillatory Systems,” Nonlinear Dynamics.
A. Sarkar, N. Benabbou, and R. Ghanem (2008), “Domain Decomposition Of Stochastic PDEs: Theoretical Formulations,” International Journal for Numerical Methods in Engineering.
W. Subber, and A. Sarkar (2008), “Performance of A Parallel Time Integrator For Noisy Nonlinear System,” Probabilistic Engineering Mechanics (publication pending).
Mohammad Khalil, Sondipon Adhikari, and Abhijit Sarkar (2007), “Linear system identification using proper orthogonal decomposition,” Mechanical Systems and Signal Processing.
Note: In Press
Conference Publications
M. Khalil, and A. Sarkar, “Independent component analysis for uncertainty representation of stochastic systems,” Non-Deterministic Approaches Forum, 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, USA 2008.
Khalil, M., Sarkar, A., and Adhikari, S., “Data Assimilation in Structural Dynamics: Extended-, Ensemble Kalman and Particle Filters,” Proceedings of the 1st International Conference on Uncertainty in Structural Dynamics, University of Sheffield, Sheffield, UK 2007.
Adhikari, S., and Sarkar, A., “On The Nature of Epistemic Uncertainty in Linear Dynamical Systems,” Proceedings of the 25th International Modal Analysis Conference (IMAC-XXV), 2007 2007.