Steven F. Wojtkiewicz

Challenge problems: uncertainty in system response given uncertain parameters

William L. Oberkampf, J.C. Helton, Cliff Joslyn et al. · Reliability Engineering & System Safety · 2004 · 563 citations

Uncertainty Quantification, Systems Engineering, Challenge Problems +3

Overview of Modern Design of Experiments Methods for Computational Simulations (Invited)

Anthony Giunta, Steven F. Wojtkiewicz, Michael Eldred · 41st Aerospace Sciences Meeting and Exhibit · 2003 · 374 citations

Numerical Analysis, Engineering, Direct Numerical Simulation +22

Formulations for Surrogate-Based Optimization Under Uncertainty

Michael Eldred, Anthony Giunta, Steven F. Wojtkiewicz et al. · 9th AIAA/ISSMO Symposium on Multidisciplinary Analysis and Optimization · 2002 · 77 citations

Mathematical Programming, Engineering, Hierarchical Surrogates +17

Response of stochastic dynamical systems driven by additive Gaussian and Poisson white noise: Solution of a forward generalized Kolmogorov equation by a spectral finite difference method

Steven F. Wojtkiewicz, E. A. Johnson, Lawrence A. Bergman et al. · Computer Methods in Applied Mechanics and Engineering · 1999 · 75 citations

Additive Gaussian, Stochastic System, Stochastic Dynamical Systems +4

Perspectives in Optimization Under Uncertainty: Algorithms and Applications

Anthony Giunta, Michael Eldred, Laura Swiler et al. · 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference · 2004 · 24 citations

Numerical Analysis, Mathematical Programming, Engineering +18