[HTML][HTML] FLEXI: A high order discontinuous Galerkin framework for hyperbolic–parabolic conservation laws

N Krais, A Beck, T Bolemann, H Frank, D Flad… - … & Mathematics with …, 2021 - Elsevier
High order (HO) schemes are attractive candidates for the numerical solution of multiscale
problems occurring in fluid dynamics and related disciplines. Among the HO discretization …

[PDF][PDF] Ghost-fluid-based sharp interface methods for multi-material dynamics: a review

L Xu, TG Liu - Commun. Comput. Phys., 2023 - global-sci.com
The ghost fluid method (GFM) provides a simple way to simulate the interaction of
immiscible materials. Especially, the modified GFM (MGFM) and its variants, based on the …

An efficient hp-adaptive strategy for a level-set ghost-fluid method

P Mossier, D Appel, AD Beck, CD Munz - Journal of Scientific Computing, 2023 - Springer
We present an hp-adaptive discretization for a sharp interface model with a level-set ghost-
fluid method to simulate compressible multiphase flows. The scheme applies an efficient p …

Physics-constrained neural networks as multi-material Riemann solvers for compressible two-gas simulations

L Xu, Z Liu, Y Feng, T Liu - Journal of Computational Science, 2024 - Elsevier
The Riemann solver is crucial in compressible multi-material simulations as it helps predict
the behavior of interfacial waves and the interaction between materials. However, the …

A conservative, interface-resolved, compressible framework for the modeling and simulation of liquid/gas phase change

EA Wenzel, M Arienti - Journal of Computational Physics, 2023 - Elsevier
This paper presents a method for simulating evaporation in a compressible, interface-
resolved framework appropriate for modeling problems of engineering interest. In order to …

Riemann solvers for phase transition in a compressible sharp-interface method

S Jöns, CD Munz - Applied Mathematics and Computation, 2023 - Elsevier
In this paper, we consider Riemann solvers with phase transition effects based on the Euler–
Fourier equation system. One exact and two approximate solutions of the two-phase …

Approximate Riemann solver for compressible liquid vapor flow with phase transition and surface tension

S Fechter, CD Munz, C Rohde, C Zeiler - Computers & Fluids, 2018 - Elsevier
The sharp-interface resolution of compressible liquid–vapor flows is cumbersome due to the
necessary tracking of the interface. The global dynamics are governed by local interface …

Comparison of macro-and microscopic solutions of the Riemann problem II. Two-phase shock tube

T Hitz, S Jöns, M Heinen, J Vrabec, CD Munz - Journal of Computational …, 2021 - Elsevier
The Riemann problem is one of the basic building blocks for numerical methods in
computational fluid mechanics. Nonetheless, there are still open questions and gaps in …

A sharp interface framework based on the inviscid Godunov-Peshkov-Romenski equations: Simulation of evaporating fluids

C Müller, P Mossier, CD Munz - Journal of Computational Physics, 2023 - Elsevier
A core aspect in the simulation of compressible fluid flow is the solution of Riemann
problems. The solution is well understood for single-phase flows and is used to define …

Experimental analysis of flashing front propagation in superheated water—Effects of degree of superheat, tube inclination, and secondary nucleation

KK Dewangan, PK Das - Physics of Fluids, 2020 - pubs.aip.org
A comprehensive experimental investigation on free surface flashing and flashing front (FF)
propagation after sudden depressurization of stagnant water is reported. Elaborate high …