Optimal experimental design: Formulations and computations

X Huan, J Jagalur, Y Marzouk - Acta Numerica, 2024 - cambridge.org
Questions of 'how best to acquire data'are essential to modelling and prediction in the
natural and social sciences, engineering applications, and beyond. Optimal experimental …

Stochastic multiscale modeling for quantifying statistical and model errors with application to composite materials

Z Wang, P Hawi, S Masri, V Aitharaju… - Reliability Engineering & …, 2023 - Elsevier
This paper provides a coherent and efficient computational framework for stochastic
multiscale analysis of material systems in the presence of parametric uncertainties and …

An extended polynomial chaos expansion for PDF characterization and variation with aleatory and epistemic uncertainties

Z Wang, R Ghanem - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
This paper presents an extended polynomial chaos formalism for epistemic uncertainties
and a new framework for evaluating sensitivities and variations of output probability density …

Bayesian model updating with finite element vs surrogate models: Application to a miter gate structural system

MK Ramancha, MA Vega, JP Conte, MD Todd… - Engineering Structures, 2022 - Elsevier
Bayesian finite element (FE) model updating using direct model evaluations of large-scale
high-fidelity FE models is extremely computationally expensive. Surrogate models can be …

Breaking down the computational barriers to real‐time urban flood forecasting

VY Ivanov, D Xu, MC Dwelle… - Geophysical …, 2021 - Wiley Online Library
Flooding impacts are on the rise globally, and concentrated in urban areas. Currently, there
are no operational systems to forecast flooding at spatial resolutions that can facilitate …

Model identification in reactor-based combustion closures using sparse symbolic regression

RSM Freitas, A Péquin, RM Galassi, A Attili… - Combustion and …, 2023 - Elsevier
Abstract In Large Eddy Simulations (LES) of combustion, the accuracy of predictions might
be heavily affected by deficiencies in traditional/simplified closure models, especially when …

Multiscale modeling of compartmentalized reservoirs using a hybrid clustering-based non-local approach

S Esmaeilzadeh, A Salehi, G Hetz… - Journal of Petroleum …, 2020 - Elsevier
Representing the reservoir as a network of discrete compartments with neighbor and non-
neighbor connections is a fast, yet accurate method for analyzing oil and gas reservoirs …

Stochastic modeling and statistical calibration with model error and scarce data

Z Wang, R Ghanem - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
This paper introduces a procedure to assess the predictive accuracy of stochastic models
subject to model error and sparse data. Model error is introduced as uncertainty on the …

Closing in on Hydrologic Predictive Accuracy: Combining the Strengths of High‐Fidelity and Physics‐Agnostic Models

VN Tran, VY Ivanov, D Xu, J Kim - Geophysical Research …, 2023 - Wiley Online Library
Applications of process‐based models (PBM) for predictions are confounded by multiple
uncertainties and computational burdens, resulting in appreciable errors. A novel modeling …

Towards robust statistical inference for complex computer models

J Oberpriller, DR Cameron, MC Dietze… - Ecology Letters, 2021 - Wiley Online Library
Ecologists increasingly rely on complex computer simulations to forecast ecological
systems. To make such forecasts precise, uncertainties in model parameters and structure …