Steven F. Wojtkiewicz

Select Recent Publications

S.F. Wojtkiewicz, B.F. Spencer, Jr., and L.A. Bergman. “On the Cumulant-Neglect Closure Method in Stochastic Dynamics.” International Journal of Non-linear Mechanics, 31(3), 1996, 657-684.

E.A. Johnson, S.F. Wojtkiewicz, L.A. Bergman, and B.F. Spencer, Jr. “Observations with Regard to Massively Parallel Computation for Monte Carlo Simulation of Stochastic Dynamical Systems.” International Journal of Non-linear Mechanics, 32(4), 1997, 721-734.

L.A. Bergman, C.G. Bucher, G. Dasgupta, G. Deodatis, R.G. Ghanem, M.Grigoriu, M. Hoshiya, E.A. Johnson, A. Naess, H.J. Pradlwarter, G.I. Schueller, M. Shinozuka, K. Sobczyk, P.D. Spanos, B.F. Spencer, Jr., A.Sutoh, T. Takada, W.V. Wedig, S.F. Wojtkiewicz, I. Yoshida, B.A. Zeldin, R.Zhang. “A State-of-the-Art Report on Computational Stochastic Mechanics.” Probabilistic Engineering Mechanics, 12(4), 1997, 197-321.

S.F. Wojtkiewicz, E.A. Johnson, L.A. Bergman, M. Grigoriu, and B.F. Spencer, Jr. “Response of Stochastic Dynamical Systems Driven by Additive Gaussian and Poisson White Noises: Numerical Solution of the Forward Kolmogorov-Feller Equation.” Computer Methods in Applied Mechanics and Engineering, 168(1-4), 1999, 73-89.

S. F. Wojtkiewicz and L. A. Bergman, “A Moment Specification Algorithm for Control of Nonlinear Systems Driven by Gaussian White Noise,” Nonlinear Dynamics, 24:17-30, 2001.

S.F. Wojtkiewicz, L.A. Bergman, B.F. Spencer, Jr. and E. A. Johnson (Invited), “Numerical Solution of the Four-Dimensional Nonstationary Fokker-Planck Equation,” Nonlinearity and Stochastic Structural Dynamics (S. Narayanan and R.N. Iyengar, Editors), 2001, 277-288.

S.F. Wojtkiewicz, M.S. Eldred, R.V. Field, Jr., A. Urbina, and J.R. Red-Horse. “A Toolkit For Uncertainty Quantification In Large Computational Engineering Models,” paper AIAA-2001-1455 in Proceedings of the 42nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Seattle, WA, April 16-19, 2001.