A higher-order boundary treatment for Cartesian-grid methods

H Forrer, R Jeltsch - Journal of Computational Physics, 1998 - Elsevier
The Euler equations describe the flow phenomena of compressible inviscid gas dynamics.
We simulate such flows using a higher-order Cartesian-grid method, together with a special …

A reduced-dissipation WENO scheme with automatic dissipation adjustment

J Fernández-Fidalgo, L Ramírez, P Tsoutsanis… - Journal of …, 2021 - Elsevier
In this paper, we propose a novel modification to the WENO-family schemes to reduce its
intrinsic dissipation. In this work, we focus on the WENO5 scheme, which is rewritten in …

An a posteriori, efficient, high-spectral resolution hybrid finite-difference method for compressible flows

J Fernández-Fidalgo, X Nogueira, L Ramírez… - Computer Methods in …, 2018 - Elsevier
A high-order hybrid method consisting of a high-accurate explicit finite-difference scheme
and a Weighted Essentially Non-Oscillatory (WENO) scheme is proposed in this article …

[HTML][HTML] Machine learning-based WENO5 scheme

X Nogueira, J Fernández-Fidalgo, L Ramos… - … & Mathematics with …, 2024 - Elsevier
Abstract Machine learning (ML) is becoming a powerful tool in Computational Fluid
Dynamics (CFD) to enhance the accuracy, efficiency, and automation of simulations …

Energy efficiency of high pressure pneumatic systems

JA Trujillo - 2015 - upcommons.upc.edu
The energy efficiency assessment of high-pressure pneumatic circuits is the aim of this
dissertation. From a historical perspective the past and cur-rent activities with regards to the …

Development and assessment of several high-resolution schemes for compressible Euler equations

MP Ray, BP Puranik, UV Bhandarkar - International Journal of …, 2014 - World Scientific
High-resolution extensions to six Riemann solvers and three flux vector splitting schemes
are developed within the framework of a reconstruction-evolution approach. Third-order …

[PDF][PDF] Entwicklung eines effizienten Verfahrens zur Losung hyperbolischer Differentialgleichungen

J Becker - 2000 - webdoc.gwdg.de
In dieser Arbeit wollen wir ein effizientes Verfahren zur Lösung hyperbolischer
Differentialgleichungen entwickeln. Wir betrachten sowohl skalare Gleichungen als auch …

Computational simulation of compressible flows: A family of very efficient and highly accurate numerical methods based on Finite Differences

J Fernández-Fidalgo - 2019 - ruc.udc.es
Given the large scale of industrial processes, usually a small tweak in a small part of the
process can lead to a huge overall savings. This is one of the reasons why there is a …