Cfd vision 2030 road map: Progress and perspectives

AW Cary, J Chawner, EP Duque, W Gropp… - AIAA aviation 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-2726. vid In 2014, the CFD Vision
2030 Report proposed a desired status for aerospace CFD by 2030 that included several …

Multifidelity prediction in wildfire spread simulation: Modeling, uncertainty quantification and sensitivity analysis

MM Valero, L Jofre, R Torres - Environmental Modelling & Software, 2021 - Elsevier
Wildfire behavior predictions typically suffer from significant uncertainty. However, wildfire
modeling uncertainties remain largely unquantified in the literature, mainly due to computing …

Design exploration and optimization under uncertainty

AA Mishra, J Mukhopadhaya, J Alonso, G Iaccarino - Physics of Fluids, 2020 - pubs.aip.org
Computational strategies that explicitly quantify uncertainties are becoming increasingly
used in aerospace applications to improve the consistency in reliability, robustness, and …

Active subspaces of airfoil shape parameterizations

ZJ Grey, PG Constantine - AIAA Journal, 2018 - arc.aiaa.org
Design and optimization benefit from understanding the dependence of a quantity of interest
(eg, a design objective or constraint function) on the design variables. A low-dimensional …

Quantification of Reynolds-averaged-Navier–Stokes model-form uncertainty in transitional boundary layer and airfoil flows

M Chu, X Wu, DE Rival - Physics of Fluids, 2022 - pubs.aip.org
It is well known that the Boussinesq turbulent-viscosity hypothesis can introduce uncertainty
in predictions for complex flow features such as separation, reattachment, and laminar …

Improving swath seakee** performance using multi-fidelity Gaussian process and Bayesian optimization

L Bonfiglio, P Perdikaris, G Vernengo… - Journal of Ship …, 2018 - onepetro.org
We construct a multi-fidelity framework for statistical learning and global optimization that is
capable of effectively synthesizing seakee** predictions having two different levels of …

Bi-fidelity approximation for uncertainty quantification and sensitivity analysis of irradiated particle-laden turbulence

HR Fairbanks, L Jofre, G Geraci, G Iaccarino… - Journal of …, 2020 - Elsevier
Particle-laden turbulent flows subject to radiative heating are relevant in many applications,
for example concentrated solar power receivers. Efficient and accurate simulations provide …

Theoretical analysis of tensor perturbations for uncertainty quantification of Reynolds averaged and subgrid scale closures

AA Mishra, G Iaccarino - Physics of Fluids, 2019 - pubs.aip.org
With the advent of improved computational resources, alternate design approaches that
explicitly account for uncertainty in predictions, such as robust-and reliability-based design …

On the influence of uncertainty in computational simulations of a high-speed jet flow from an aircraft exhaust

FJ Granados-Ortiz, CP Arroyo, G Puigt, CH Lai… - Computers & …, 2019 - Elsevier
A classic approach to Computational Fluid Dynamics (CFD) is to perform simulations with a
fixed set of variables in order to account for parameters and boundary conditions. However …

Efficient calibration of a turbine disc heat transfer model under uncertainty

A White, S Mahadevan, Z Grey, J Schmucker… - … of Thermophysics and …, 2021 - arc.aiaa.org
This paper presents a novel surrogate modeling approach that enables the application of
Bayesian calibration to a gas turbine disc finite element (FE) heat transfer model. The …