A two-step model order reduction method to simulate a compressible flow over an extended rough surface

Deolmi, Giulia; Müller, Siegfried

doi:10.1016/j.matcom.2018.02.008

Mathematics and Computers in Simulation

2018

DOI: 10.1016/j.matcom.2018.02.008

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A two-step model order reduction method to simulate a compressible flow over an extended rough surface

Giulia Deolmi

Siegfried Müller

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Cited by 4 publications

References 26 publications

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An Effective Model for the Simulation of Transpiration Cooling

Müller,

Rom

2023

Commun. Appl. Math. Comput.

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Transpiration cooling is numerically investigated, where a cooling gas is injected through a carbon composite material into a hot gas channel. To account for microscale effects at the injection interface, an effective problem is derived. Here, effects induced by microscale structures on macroscale variables, e.g., cooling efficiency, are taken into account without resolving the microscale structures. For this purpose, effective boundary conditions at the interface between hot gas and porous medium flow are derived using an upscaling strategy. Numerical simulations in 2D with effective boundary conditions are compared to uniform and non-uniform injection. The computations confirm that the effective model provides a more efficient and accurate approximation of the cooling efficiency than the uniform injection.

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An Effective Model for the Simulation of Transpiration Cooling

Müller,

Rom

2023

Commun. Appl. Math. Comput.

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A reduced order model to simulate compressible flows over an actuated riblet surface

Deolmi

Müller

Albers

et al. 2019

Applied Mathematics and Computation

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Comparison of reduced basis construction methods for Model Order Reduction, with application to non-linear low frequency electromagnetics

Delagnes

Henneron

Clénet

et al. 2023

Mathematics and Computers in Simulation

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A two-step model order reduction method to simulate a compressible flow over an extended rough surface

Cited by 4 publications

References 26 publications

An Effective Model for the Simulation of Transpiration Cooling

An Effective Model for the Simulation of Transpiration Cooling

A reduced order model to simulate compressible flows over an actuated riblet surface

Comparison of reduced basis construction methods for Model Order Reduction, with application to non-linear low frequency electromagnetics

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