Immersed boundary methods: Historical perspective and future outlook

R Verzicco - Annual Review of Fluid Mechanics, 2023 - annualreviews.org
Immersed boundary methods (IBMs) are versatile and efficient computational techniques to
solve flow problems in complex geometric configurations that retain the simplicity and …

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 …

[HTML][HTML] Large-Eddy Simulation of the unsteady supersonic flow around a Mars entry capsule at different angles of attack

L Placco, M Cogo, M Bernardini, A Aboudan… - Aerospace Science and …, 2023 - Elsevier
Time-evolving high-fidelity simulations of an entry capsule in a supersonic flight regime have
been performed at different angles of attack (0∘, 5∘, 10∘ and 15∘) in Mars' atmosphere …

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 …

Fluid-structure interaction simulations of the ASPIRE SR01 supersonic parachute flight test

J Boustani, F Cadieux, GK Kenway, MF Barad… - Aerospace Science and …, 2022 - Elsevier
High-fidelity fluid-structure interaction (FSI) simulations of the ASPIRE SR01 supersonic
parachute flight test are performed through the loose coupling of computational fluid …

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 …

Efficient iterative arbitrary high-order methods: an adaptive bridge between low and high order

L Micalizzi, D Torlo, W Boscheri - Communications on Applied …, 2023 - Springer
We propose a new paradigm for designing efficient p-adaptive arbitrary high-order methods.
We consider arbitrary high-order iterative schemes that gain one order of accuracy at each …

An immersed interface methodology for simulating supersonic spacecraft parachutes with fluid–structure interaction

J Boustani, MF Barad, CC Kiris, C Brehm - Journal of Fluids and Structures, 2022 - Elsevier
The capability of a computational fluid–structure interaction method for simulating thin shell
structures with an immersed boundary method and a nonlinear structural dynamics solver is …

Fluid–solid coupled simulation of hypervelocity impact and plasma formation

ST Islam, W Ma, JG Michopoulos, K Wang - International Journal of Impact …, 2023 - Elsevier
Previous theoretical and computational studies on hypervelocity impact have mainly focused
on the dynamic response of the solid materials that constitute the projectile and the target …