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- W2181944686 abstract "Summary In this paper a problem of fluid-structure interaction in a mixing vessel is solved with weakly coupled fluid-structure interaction computational analysis. The computational fluid dynamics code CFX, based on the finite volume method, is used for determination of the multiphase flow field (water and air) in the mixing vessel. The results in form of pressure distribution are then applied to the blade model, which is then analysed with the finite element structural analysis system MSC.visualNastran for Windows. The resulting deformations and stresses are evaluated. The proposed procedure can be effectively used for optimization of structures with significant fluid flow influences. INTRODUCTION Two or more physical systems frequently interact with each other, where the independent solution of one system is impossible without a simultaneous solution of the others. Such systems are known as coupled, where coupling may be weak or strong, depending on the degree of interaction. In case of weakly coupled systems, where one physical system has only a small influence on other systems, only one-way information stream is sufficient. Strongly coupled systems necessitate a full exchange of information between two or several interacting physical systems. An obvious coupled system is that of a dynamic fluid-structure interaction. [8] In this paper a computational analysis of the fluid-structure interaction in a mixing vessel is presented. In mixing vessels the fluid can have a significant influence on the deformation of blades during mixing, depending on speed of mixing blades and fluid viscosity. For this purpose a computational weakly coupled analysis has been performed to determine the multiphase fluid influences on the mixing vessel structure. The multiphase fluid field in the mixing vessel was first analyzed with the computational fluid dynamics (CFD) code CFX. The results in the form of pressure were then applied to the blade model, which was the analysed with the structural code MSC.visualNastran for Windows, which is based on the finite element method (FEM)." @default.
- W2181944686 created "2016-06-24" @default.
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- W2181944686 date "2004-01-01" @default.
- W2181944686 modified "2023-09-27" @default.
- W2181944686 title "FLUID STRUCTURE INTERACTION IN MULTIPHASE MIXING VESSEL" @default.
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