Steve Wojtkiewicz
Steve Wojtkiewicz
Professor of Civil and Environmental Engineering, Clarkson University
E-mail confirmado em clarkson.edu
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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
6422004
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
5661997
Overview of modern design of experiments methods for computational simulations
A Giunta, S Wojtkiewicz, M Eldred
41st Aerospace Sciences Meeting and Exhibit, 649, 2003
4712003
DAKOTA: a multilevel parallel object-oriented framework for design optimization, parameter estimation, uncertainty quantification, and sensitivity analysis. Version 5.0, user's …
MS Eldred, KR Dalbey, WJ Bohnhoff, BM Adams, LP Swiler, PD Hough, ...
Sandia National Laboratories, 2010
3002010
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
1062001
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
1012002
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
801999
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
702007
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
651996
for Second Order Dynamical Systems Under Parametric and
LA Bergman, SF Wojtkiewicz, A Johnson
Nonlinear dynamics and stochastic mechanics 9 (9), 23, 1996
491996
Numerical solution of high dimensional Fokker-Planck equations
SF Wojtkiewicz, LA Bergman
8th ASCE Specialty Conference on Probablistic Mechanics and Structural …, 2000
482000
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
451997
High fidelity numerical solutions of the Fokker-Planck equation
SF Wojtkiewicz, LA Bergman, BF Spencer Jr
Proc. of ICOSSAR 97, 24-28, 1997
371997
Efficient uncertainty quantification of dynamical systems with local nonlinearities and uncertainties
Gaurav, SF Wojtkiewicz, EA Johnson
Probabilistic engineering mechanics 26 (4), 561-569, 2011
322011
Perspectives in Optimization Under Uncertainty: Algorithms and Applications
A Giunta, M Eldred, L Swiler, T Trucano, S Wojtkiewicz
10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 4451, 2004
222004
Numerical solution of some three-state random vibration problems
SF Wojtkiewicz, LA Bergman, BF Spencer Jr
International Design Engineering Technical Conferences and Computers and …, 1995
211995
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
192001
Finite element and finite difference solutions to the transient Fokker-Planck equation
EA Johnson
DESY 97 (161), 290-306, 1997
191997
Some reflections on the efficacy of moment closure methods
LA Bergman, SF Wojtkiewicz, EA Johnson, BF Spencer Jr
Second International Conference on Computational Stochastic Mechanics, 87-95, 1995
191995
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
182001
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