Steve Wojtkiewicz
Steve Wojtkiewicz
Professor of Civil and Environmental Engineering, Clarkson University
Verified email at
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Challenge problems: uncertainty in system response given uncertain parameters
WL Oberkampf, JC Helton, CA Joslyn, SF Wojtkiewicz, S Ferson
Reliability Engineering & System Safety 85 (1-3), 11-19, 2004
A state-of-the-art report on computational stochastic mechanics
LA Bergman, CG Bucher, G Dasgupta, G Deodatis, RG Ghanem, ...
Probabilistic Engineering Mechanics 12 (4), 197-321, 1997
Overview of modern design of experiments methods for computational simulations
A Giunta, S Wojtkiewicz, M Eldred
41st Aerospace Sciences Meeting and Exhibit, 649, 2003
DAKOTA, a multilevel parallel object-oriented framework for design optimization, parameter estimation, uncertainty quantification, and sensitivity analysis
MS Eldred, AA Giunta, BG van Bloemen Waanders, SF Wojtkiewicz, ...
Tech. Rep. SAND2006-6337, Sandia National Laboratories, 2006
Formulations for surrogate-based optimization under uncertainty
M Eldred, A Giunta, S Wojtkiewicz, T Trucano
9th AIAA/ISSMO symposium on multidisciplinary analysis and optimization, 5585, 2002
Response of stochastic dynamical systems driven by additive Gaussian and Poisson white noise: Solution of a forward generalized Kolmogorov equation by a spectral finite …
SF Wojtkiewicz, EA Johnson, LA Bergman, M Grigoriu, BF Spencer Jr
Computer methods in applied mechanics and engineering 168 (1-4), 73-89, 1999
Uncertainty quantification in large computational engineering models
S Wojtkiewicz, M Eldred, R Field, Jr, A Urbina, J Red-Horse
19th AIAA Applied Aerodynamics Conference, 1455, 2001
On the cumulant-neglect closure method in stochastic dynamics
SF Wojtkiewicz, BF Spencer Jr, LA Bergman
International journal of non-linear mechanics 31 (5), 657-684, 1996
Investigation of reliability method formulations in DAKOTA/UQ
MS Eldred, H Agarwal, VM Perez, SF Wojtkiewicz Jr, JE Renaud
Structure and Infrastructure Engineering 3 (3), 199-213, 2007
Numerical solution of high dimensional Fokker-Planck equations
SF Wojtkiewicz, LA Bergman
8th ASCE Specialty Conference on Probablistic Mechanics and Structural …, 2000
for Second Order Dynamical Systems Under Parametric and
LA Bergman, SF Wojtkiewicz, A Johnson
Nonlinear dynamics and stochastic mechanics 9 (9), 23, 1996
Observations with regard to massively parallel computation for Monte Carlo simulation of stochastic dynamical systems
EA Johnson, SF Wojtkiewicz, LA Bergman, BF Spencer Jr
International journal of non-linear mechanics 32 (4), 721-734, 1997
High fidelity numerical solutions of the Fokker-Planck equation
SF Wojtkiewicz, LA Bergman, BF Spencer Jr
Proc. of ICOSSAR 97, 24-28, 1997
Efficient uncertainty quantification of dynamical systems with local nonlinearities and uncertainties
Gaurav, SF Wojtkiewicz, EA Johnson
Probabilistic engineering mechanics 26 (4), 561-569, 2011
A toolkit for uncertainty quantification in large computational engineering models
SF Wojtkiewicz, MS Eldred, RV Field Jr, A Urbina, JR Red-Horse
Proceedings of the 42nd AIAA/ASME/ASCE/AHS/ASC structures, structural …, 2001
Numerical solution of some three-state random vibration problems
SF Wojtkiewicz, LA Bergman, BF Spencer
Proceedings of the 1995 ASME Design Engineering Technical Conference, 939-947, 1995
A moment specification algorithm for control of nonlinear systems driven by Gaussian white noise
SF Wojtkiewicz, LA Bergman
Nonlinear Dynamics 24 (1), 17-30, 2001
Finite element and finite difference solutions to the transient Fokker-Planck equation
EA Johnson
DESY 97 (161), 290-306, 1997
Numerical solution of the four-dimensional nonstationary Fokker-Planck equation
SF Wojtkiewicz, LA Bergman, BF Spencer, EA Johnson
IUTAM Symposium on Nonlinearity and Stochastic Structural Dynamics, 271-287, 2001
Some reflections on the efficacy of moment closure methods
LA Bergman, S Wojtkiewicz, EA Johnson, BF Spencer Jr
Second International Conference on Computational Stochastic Mechanics …, 1995
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