The SPDE approach for Gaussian and non-Gaussian fields: 10 years and still running

F Lindgren, D Bolin, H Rue - Spatial Statistics, 2022 - Elsevier
Gaussian processes and random fields have a long history, covering multiple approaches to
representing spatial and spatio-temporal dependence structures, such as covariance …

The Matérn model: A journey through statistics, numerical analysis and machine learning

E Porcu, M Bevilacqua, R Schaback… - Statistical Science, 2024 - projecteuclid.org
The Matern Model: A Journey Through Statistics, Numerical Analysis and Machine Learning
Page 1 Statistical Science 2024, Vol. 39, No. 3, 469–492 https://doi.org/10.1214/24-STS923 © …

Finite elements for Matérn-type random fields: Uncertainty in computational mechanics and design optimization

T Duswald, B Keith, B Lazarov, S Petrides… - Computer Methods in …, 2024 - Elsevier
This work highlights an approach for incorporating realistic uncertainties into scientific
computing workflows based on finite elements, focusing on prevalent applications in …

Stochastic analysis of geometrically imperfect thin cylindrical shells using topology-aware uncertainty models

H Wang, J Guilleminot, BW Schafer… - Computer Methods in …, 2022 - Elsevier
Buckling of thin-shell structures is one of the most canonical problems in mechanics. In
practice, the buckling load and its deviation from theoretical prediction is often handled …

Finite element representations of Gaussian processes: Balancing numerical and statistical accuracy

D Sanz-Alonso, R Yang - SIAM/ASA Journal on Uncertainty Quantification, 2022 - SIAM
The stochastic partial differential equation approach to Gaussian processes (GPs)
represents Matérn GP priors in terms of finite element basis functions and Gaussian …

Stochastic modeling and identification of material parameters on structures produced by additive manufacturing

S Chu, J Guilleminot, C Kelly, B Abar, K Gall - Computer Methods in …, 2021 - Elsevier
A methodology enabling the representation, sampling, and identification of spatially-
dependent stochastic material parameters on complex structures produced by additive …

Stochastic modeling of geometrical uncertainties on complex domains, with application to additive manufacturing and brain interface geometries

H Zhang, J Guilleminot, LJ Gomez - Computer methods in applied …, 2021 - Elsevier
We present a stochastic modeling framework to represent and simulate spatially-dependent
geometrical uncertainties on complex geometries. While the consideration of random …

A data-centric approach to generative modelling for 3D-printed steel

TJ Dodwell, LR Fleming… - … of the Royal …, 2021 - royalsocietypublishing.org
The emergence of additive manufacture (AM) for metallic material enables components of
near arbitrary complexity to be produced. This has potential to disrupt traditional engineering …

Spatially-dependent material uncertainties in anisotropic nonlinear elasticity: Stochastic modeling, identification, and propagation

P Chen, J Guilleminot - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
This paper develops a stochastic model for the spatially-dependent material parameters
parameterizing anisotropic strain energy density functions. The construction is cast within …

Covariance–based rational approximations of fractional SPDEs for computationally efficient Bayesian inference

D Bolin, AB Simas, Z Xiong - Journal of Computational and …, 2024 - Taylor & Francis
The stochastic partial differential equation (SPDE) approach is widely used for modeling
large spatial datasets. It is based on representing a Gaussian random field u on R d as the …