[HTML][HTML] Stochastic phase-field modeling of brittle fracture: computing multiple crack patterns and their probabilities

T Gerasimov, U Römer, J Vondřejc, HG Matthies… - Computer Methods in …, 2020 - Elsevier
In variational phase-field modeling of brittle fracture, the functional to be minimized is not
convex, so that the necessary stationarity conditions of the functional may admit multiple …

Time-separated stochastic mechanics for the simulation of viscoelastic structures with local random material fluctuations

H Geisler, P Junker - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
Simulating structures with history-dependent material models and uncertain material
parameters is often computationally expensive. In contrast, the time-separated stochastic …

A novel method for solving nonlinear stochastic mechanics problems using FETI‐DP

G Ajith, D Ghosh - International Journal for Numerical Methods …, 2022 - Wiley Online Library
Solution of large‐scale nonlinear stochastic mechanics problems such as plasticity is
generally very expensive. In this work, a domain decomposition based scalable method is …

[HTML][HTML] The a posteriori finite element method (APFEM), a framework for efficient parametric study and Bayesian inferences

Y Ammouche, A Jérusalem - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
Stochastic methods have recently been the subject of increased attention in Computational
Mechanics for their ability to account for the stochasticity of both material parameters and …

Time domain intrusive probabilistic seismic risk analysis of nonlinear shear frame structure

H Wang, F Wang, H Yang, Y Feng, J Bayless… - Soil Dynamics and …, 2020 - Elsevier
Presented is a time domain intrusive framework for probabilistic seismic risk analysis.
Seismic source characterization is mathematically formulated. Methodology for simulating …

On the performance evaluation of stochastic finite elements in linear and nonlinear problems

N Feng, G Zhang, K Khandelwal - Computers & Structures, 2021 - Elsevier
Due to the inherent uncertainties in various systems, deterministic approaches may not be
able to satisfactorily characterize their response. In such cases, stochastic approaches that …

Parameter identification in elasto‐plasticity: distance between parameters and impact of measurement errors

AV Shutov, AA Kaygorodtseva - ZAMM‐Journal of Applied …, 2019 - Wiley Online Library
A special aspect of parameter identification in finite‐strain elasto‐plasticity is considered.
Namely, we analyze the impact of the measurement errors on the resulting set of material …

A consistently linearized spectral stochastic finite element formulation for geometric nonlinear composite shells

L Panther, W Wagner, S Freitag - Computational Mechanics, 2025 - Springer
Material and geometrical properties have a major influence on the structural behavior of
geometric nonlinear shell structures. Therefore, uncertain structural parameters have to be …

Stochastic upscaling via linear Bayesian updating

SM Sarfaraz, BV Rosić, HG Matthies… - Multiscale Modeling of …, 2018 - Springer
In this work we present an upscaling technique for multi-scale computations based on a
stochastic model calibration technique. We consider a coarse scale continuum material …

[PDF][PDF] On a class of mixed random variational inequalities

J Gwinner - 2024 - cot.mathres.org
This paper is concerned with a class of mixed random variational inequalities that involve a
ω-dependent bilinear form and a ω-dependent convex function on a convex constraint set …