Assessment of unsteady flow predictions using hybrid deep learning based reduced-order models

SR Bukka, R Gupta, AR Magee, RK Jaiman - Physics of Fluids, 2021 - pubs.aip.org
In this paper, we present two deep learning-based hybrid data-driven reduced-order models
for prediction of unsteady fluid flows. These hybrid models rely on recurrent neural networks …

An overview of the combined interface boundary condition method for fluid–structure interaction

T He, K Zhang - Archives of Computational Methods in Engineering, 2017 - Springer
This review article summarizes the basis and recent developments on the combined
interface boundary condition (CIBC) method for the numerical simulation of fluid–structure …

A stable second-order partitioned iterative scheme for freely vibrating low-mass bluff bodies in a uniform flow

RK Jaiman, NR Pillalamarri, MZ Guan - Computer Methods in Applied …, 2016 - Elsevier
We present a stable partitioned iterative scheme for solving fluid–body interaction problems
at low structure-to-fluid mass ratio. The scheme relies on the so-called nonlinear interface …

Self-induced flap** dynamics of a flexible inverted foil in a uniform flow

PS Gurugubelli, RK Jaiman - Journal of Fluid Mechanics, 2015 - cambridge.org
We present a numerical study on the self-induced flap** dynamics of an inverted flexible
foil in a uniform flow. A high-order coupled fluid–structure solver based on fully coupled …

Model reduction and mechanism for the vortex-induced vibrations of bluff bodies

W Yao, RK Jaiman - Journal of Fluid Mechanics, 2017 - cambridge.org
We present an effective reduced-order model (ROM) technique to couple an incompressible
flow with a transversely vibrating bluff body in a state-space format. The ROM of the …

Partitioned iterative and dynamic subgrid-scale methods for freely vibrating square-section structures at subcritical Reynolds number

RK Jaiman, MZ Guan, TP Miyanawala - Computers & Fluids, 2016 - Elsevier
In this paper, we present a partitioned iterative and a dynamic subgrid-scale (SGS) scheme
to simulate flow-induced vibration of freely vibrating structures in a turbulent flow. The hybrid …

A hybrid model for simulation of fluid–structure interaction in water entry problems

H Moradi, A Rahbar Ranji, H Haddadpour… - Physics of …, 2021 - pubs.aip.org
A hydroelastic hybrid model is developed to simulate the fluid–structure interaction in water
entry problems using the partitioned approach. The interactions between a flat plate and the …

[KNIHA][B] Computational Mechanics of Fluid-Structure Interaction

RK Jaiman, V Joshi - 2022 - Springer
Before proceeding with the variational formulation of the fluid-structure coupled system, let
us look at the convection-diffusion-reaction (CDR) equation which forms a canonical …

Reduced order model for unsteady fluid flows via recurrent neural networks

SB Reddy, AR Magee… - International …, 2019 - asmedigitalcollection.asme.org
In this paper, we present a data-driven approach to construct a reduced-order model (ROM)
for the unsteady flow field and fluid-structure interaction. This proposed approach relies on …

Data-driven unsteady aeroelastic modeling for control

MK Hickner, U Fasel, AG Nair, BW Brunton, SL Brunton - AIAA Journal, 2023 - arc.aiaa.org
Aeroelastic structures, from insect wings to wind turbine blades, experience transient
unsteady aerodynamic loads that are coupled to their motion. Effective real-time control of …