Euclid preparation: IX. EuclidEmulator2 – power spectrum emulation with massive neutrinos and self-consistent dark energy perturbations

Euclid Collaboration, M Knabenhans… - Monthly Notices of …, 2021 - academic.oup.com
We present a new, updated version of the EuclidEmulator (called EuclidEmulator2), a fast
and accurate predictor for the nonlinear correction of the matter power spectrum. 2 per cent …

Efficient yield estimation of multiband patch antennas by polynomial chaos‐based Kriging

L Leifsson, X Du, S Koziel - International Journal of Numerical …, 2020 - Wiley Online Library
Yield estimation of antenna systems is important to check their robustness with respect to the
uncertain sources. Since direct Monte Carlo sampling of accurate physics‐based models …

Robust optimization of engineering structures involving hybrid probabilistic and interval uncertainties

J Cheng, W Lu, Z Liu, D Wu, W Gao, J Tan - Structural and …, 2021 - Springer
A novel, yet practically feasible, robust optimization approach is proposed in this study for
engineering structures involving hybrid uncertainties. Both stochastic and interval uncertain …

Construction of orthogonal general sliced Latin hypercube designs

B Guo, XR Li, MQ Liu, X Yang - Statistical Papers, 2023 - Springer
Computer experiments have attracted increasing attention in recent decades. General sliced
Latin hypercube design (LHD), which is a sliced LHD with multiple layers and at each layer …

Multifidelity model-assisted probability of detection via Cokriging

X Du, L Leifsson - NDT & E International, 2019 - Elsevier
This work introduces multifidelity metamodeling for reliability analysis of nondestructive
testing (NDT) systems. Specifically, the Cokriging metamodel is utilized to accelerate the …

Research on rotating machinery fault diagnosis based on multi-strategy feature extraction

Y Song, H Wang, C Zhao, R Wang, P Li… - Tribology Transactions, 2024 - Taylor & Francis
This study proposes a novel feature extraction method that leverages multi-strategy
optimization algorithms to enhance the accuracy and efficiency of rotating machinery fault …

Latin hypercubes for constrained design of experiments for data-driven models

F Schneider, RJ Hellmig, O Nelles - at-Automatisierungstechnik, 2023 - degruyter.com
The quality of data used for data-driven modeling affects the model performance
significantly. Thus, design of experiments (DoE) is an important part during model …

Efficient uncertainty propagation for MAPOD via polynomial chaos-based Kriging

X Du, L Leifsson - Engineering Computations, 2020 - emerald.com
Purpose Model-assisted probability of detection (MAPOD) is an important approach used as
part of assessing the reliability of nondestructive testing systems. The purpose of this paper …

Efficient global sensitivity analysis of model-based ultrasonic nondestructive testing systems using machine learning and sobol'indices

J Nagawkar, L Leifsson - Journal of …, 2021 - asmedigitalcollection.asme.org
The objective of this work is to reduce the cost of performing model-based sensitivity
analysis for ultrasonic nondestructive testing systems by replacing the accurate physics …

Horseshoe Lattice Property-Structure Inverse Design Based on Deep Learning

G Liu, Z Zheng, R Zhao, X Yue - Materials Transactions, 2024 - jstage.jst.go.jp
Lattice structures, characterized by their exceptional strength-to-weight ratios and energy
absorption capabilities, have paved the way for pioneering designs in additive …