Surrogate models are popular tool to approximate the functional relationship of expensive
simulation models in multiple scientific and engineering disciplines. Successful use of …

Global sensitivity analysis (GSA), particularly for Sobol index, is a powerful tool to quantify
the variation of model response sourced from the uncertainty of input variables over the …

Assessing the failure probability of complex structure is a difficult task in presence of various
uncertainties. In this paper, a new adaptive approach is developed for reliability analysis by …

Constructing surrogate models for uncertainty quantification (UQ) on complex partial
differential equations (PDEs) having inherently high-dimensional O (10 n), n≥ 2, stochastic …

Surrogate model techniques have been widely used for structural systems with expensively
evaluated simulations. However, their application to system reliability problems meets the …

The present paper aims to establish a systematic robust optimization framework for the
hydrodynamic performance of marine current turbines against uncertain conditions. To this …

多可信度代理模型已经成为提高基于代理模型的优化算法效率和可信度水平最有效的手段之一.
然而目前流行的co-Kriging 和分层Kriging (HK) 等多可信度代理模型泛化能力不足 …

Surrogate model has been extensively employed in uncertainty-based design optimization
(UBDO) for computationally expensive engineering problems. However, it often causes …

The multi-fidelity metamodeling method can dramatically improve the efficiency of
metamodeling for computationally expensive engineering problems when multiple levels of …

Abstract The use of Computational Fluid Dynamics (CFD) for the design of modern hydraulic
turbines has increased and matured significantly the last decades. More recently, CFD is …