In a number of applications, the hydrodyamic effect of a fluid must be included in the structural evaluation of liquid filled vessels undergoing transient loading. Prime examples are liquid radioactive waste transportation packages. These packages must demonstrate the ability to withstand servere accidental impact scenarios. A hydrodynamic model of the fluid is developed using a finite element discretization of the momentum equations for a three dimensioanl continuum. An inviscid fluid model with an isotropic stress state is considered. The formulation considers the continuous as a compressible media only, so that no tension fields are permitted. The numerical technique is incorporated into the existing Ontario Hydro general purpose three dimensional structurals computer code H3DMAP. Part 1 of the paper describes the theory and implemetation along with comparisons with classical theory. Part 2 describes the experimental validation of the theoretical approach. Excellent correlation between predicted and experimental results is obtained.
Impact simulation of liquid-filled containers including fluid-structure interaction: Part 1 - Theory
Aufprallsimulation von flüssigkeitsgefüllten Behältern einschließlich der Wechselwirkung Flüssigkeit-Struktur: 1. Teil - Theorie
1990
6 Seiten, 3 Bilder, 8 Quellen
Aufsatz (Konferenz)
Englisch
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