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Reduced order models for thermally coupled low Mach flows

Author
Reyes, R.; Codina, R.; Baiges, J.; Idelsohn, Sergio R.
Type of activity
Journal article
Journal
Advanced modeling and simulation in engineering sciences
Date of publication
2018-12
Volume
5
Number
1
First page
1
Last page
20
DOI
https://doi.org/10.1186/s40323-018-0122-7 Open in new window
Repository
http://hdl.handle.net/2117/127768 Open in new window
https://www.researchgate.net/publication/329325667_Reduced_order_models_for_thermally_coupled_low_Mach_flows/download Open in new window
URL
https://link.springer.com/article/10.1186%2Fs40323-018-0122-7 Open in new window
Abstract
In this paper we present a collection of techniques used to formulate a projection-based reduced order model (ROM) for zero Mach limit thermally coupled Navier–Stokes equations. The formulation derives from a standard proper orthogonal decomposition (POD) model reduction, and includes modifications to improve the drawbacks caused by the inherent non-linearity of the used Navier–Stokes equations: a hyper-ROM technique based on mesh coarsening; an implicit ROM subscales formulation based on a ...
Citation
Reyes, R. [et al.]. Reduced order models for thermally coupled low Mach flows. "Advanced modeling and simulation in engineering sciences", Desembre 2018, vol. 5, núm. 1, p. 1-20.
Keywords
Reduced order models Finite element method Variational multiscale Hyper-reduction Thermally coupled flow Low Mach number flow
Group of research
(MC)2 - UPC Computational continuum mechanics
ANiComp - Numerical analysis and scientific computation

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