A mechanics‐informed artificial neural network approach in data‐driven constitutive modeling

F As' ad, P Avery, C Farhat - International Journal for Numerical …, 2022 - Wiley Online Library
A mechanics‐informed artificial neural network approach for learning constitutive laws
governing complex, nonlinear, elastic materials from strain–stress data is proposed. The …

Efficient derivative-free Bayesian inference for large-scale inverse problems

DZ Huang, J Huang, S Reich, AM Stuart - Inverse Problems, 2022 - iopscience.iop.org
We consider Bayesian inference for large-scale inverse problems, where computational
challenges arise from the need for repeated evaluations of an expensive forward model …

Iterated Kalman methodology for inverse problems

DZ Huang, T Schneider, AM Stuart - Journal of Computational Physics, 2022 - Elsevier
This paper is focused on the optimization approach to the solution of inverse problems. We
introduce a stochastic dynamical system in which the parameter-to-data map is embedded …

Higher-continuity s-version of finite element method with B-spline functions

N Magome, N Morita, S Kaneko, N Mitsume - Journal of Computational …, 2024 - Elsevier
This paper proposes a strategy to solve the problems of the conventional s-version of finite
element method (SFEM) fundamentally. Because SFEM can reasonably model an analytical …

Modeling, simulation and validation of supersonic parachute inflation dynamics during Mars landing

DZ Huang, P Avery, C Farhat, J Rabinovitch… - AIAA scitech 2020 …, 2020 - arc.aiaa.org
A high fidelity multi-physics Eulerian computational framework is presented for the simu-
lation of supersonic parachute inflation during Mars landing. Unlike previous investigations …

Efficient, multimodal, and derivative-free bayesian inference with Fisher–Rao gradient flows

Y Chen, DZ Huang, J Huang, S Reich… - Inverse Problems, 2024 - iopscience.iop.org
In this paper, we study efficient approximate sampling for probability distributions known up
to normalization constants. We specifically focus on a problem class arising in Bayesian …

Swarm reinforcement learning for adaptive mesh refinement

N Freymuth, P Dahlinger, T Würth… - Advances in …, 2024 - proceedings.neurips.cc
Abstract The Finite Element Method, an important technique in engineering, is aided by
Adaptive Mesh Refinement (AMR), which dynamically refines mesh regions to allow for a …

A computationally tractable framework for nonlinear dynamic multiscale modeling of membrane woven fabrics

P Avery, DZ Huang, W He, J Ehlers… - International Journal …, 2021 - Wiley Online Library
A general‐purpose computational homogenization framework is proposed for the nonlinear
dynamic analysis of membranes exhibiting complex microscale and/or mesoscale …

Anisotropic variational mesh adaptation for embedded finite element methods

S Rahmani, J Baiges, J Principe - Computer Methods in Applied Mechanics …, 2025 - Elsevier
Embedded or immersed boundary methods (IBM) are powerful mesh-based techniques that
permit to solve partial differential equations (PDEs) in complex geometries circumventing the …

Assessment of volume penalization and immersed boundary methods for compressible flows with various thermal boundary conditions

L Ménez, P Parnaudeau, M Beringhier… - Journal of Computational …, 2023 - Elsevier
A continuous forcing immersed boundary method (IBM) and a volume penalization method
are investigated to simulate compressible viscous flows past an isothermal or adiabatic solid …