Next Article in Journal
Liquid Films Falling Down a Vertical Fiber: Modeling, Simulations and Experiments
Next Article in Special Issue
Hybrid Neural Network Reduced Order Modelling for Turbulent Flows with Geometric Parameters
Previous Article in Journal
Oscillating Wall Jets for Active Flow Control in a Laboratory Fume Hood—Experimental Investigations
Previous Article in Special Issue
Data-Driven Reduced-Order Modeling of Convective Heat Transfer in Porous Media
 
 
Article

Efficient Wildland Fire Simulation via Nonlinear Model Order Reduction

1
Institut für Mathematik, Technische Universität Berlin, 10623 Berlin, Germany
2
Stuttgart Center for Simulation Science, Universität Stuttgart, 70569 Stuttgart, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Giovanni Stabile
Fluids 2021, 6(8), 280; https://doi.org/10.3390/fluids6080280
Received: 21 June 2021 / Revised: 31 July 2021 / Accepted: 2 August 2021 / Published: 11 August 2021
(This article belongs to the Special Issue Reduced Order Models for Computational Fluid Dynamics)
We propose a new hyper-reduction method for a recently introduced nonlinear model reduction framework based on dynamically transformed basis functions and especially well-suited for transport-dominated systems. Furthermore, we discuss applying this new method to a wildland fire model whose dynamics feature traveling combustion waves and local ignition and is thus challenging for classical model reduction schemes based on linear subspaces. The new hyper-reduction framework allows us to construct parameter-dependent reduced-order models (ROMs) with efficient offline/online decomposition. The numerical experiments demonstrate that the ROMs obtained by the novel method outperform those obtained by a classical approach using the proper orthogonal decomposition and the discrete empirical interpolation method in terms of run time and accuracy. View Full-Text
Keywords: nonlinear model order reduction; transport-dominated phenomena; hyper-reduction; wildland fire nonlinear model order reduction; transport-dominated phenomena; hyper-reduction; wildland fire
Show Figures

Figure 1

MDPI and ACS Style

Black, F.; Schulze, P.; Unger, B. Efficient Wildland Fire Simulation via Nonlinear Model Order Reduction. Fluids 2021, 6, 280. https://doi.org/10.3390/fluids6080280

AMA Style

Black F, Schulze P, Unger B. Efficient Wildland Fire Simulation via Nonlinear Model Order Reduction. Fluids. 2021; 6(8):280. https://doi.org/10.3390/fluids6080280

Chicago/Turabian Style

Black, Felix, Philipp Schulze, and Benjamin Unger. 2021. "Efficient Wildland Fire Simulation via Nonlinear Model Order Reduction" Fluids 6, no. 8: 280. https://doi.org/10.3390/fluids6080280

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop