Premium
Non‐steady interaction of fluids with free surfaces and rigid bodies
Author(s) -
Keisenberg Tobias,
Ostermeyer GeorgPeter
Publication year - 2014
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/pamm.201410296
Subject(s) - instability , rigid body , mechanics , fluid–structure interaction , domain (mathematical analysis) , steady state (chemistry) , focus (optics) , stability (learning theory) , physics , classical mechanics , chemistry , thermodynamics , mathematics , computer science , mathematical analysis , optics , finite element method , machine learning
Interaction between fluids and rigid bodies is a phenomenon, which occurs for example in floating bearings or turbines. Mostly the focus is on domains with rigid boundaries on every side or defined influx or effusion of fluid over the boundaries. The interaction between fluids with free surfaces and a rigid body were mostly studied under the aspect of stability for steady‐state conditions, e. g. for fluid‐filled centrifuges. A characteristic property is the instability over non‐empty intervalls of angular velocities, so the analysis of non‐steady behaviour is essential to investigate the stability of the drive through these instable domains. A first approach to this topic is the qualitative investigation of a fluid domain with the shallow water theory. (© 2014 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)