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Numerical Simulation of Dynamical Multibody Systems in Fluid Flow (CROSBI ID 561065)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Terze, Zdravko ; Vučinić, Dean ; Vrdoljak, Milan Numerical Simulation of Dynamical Multibody Systems in Fluid Flow // Proceedings of the IV European Conference on Computational Mechanics - ECCM 2010. Pariz, 2010

Podaci o odgovornosti

Terze, Zdravko ; Vučinić, Dean ; Vrdoljak, Milan

engleski

Numerical Simulation of Dynamical Multibody Systems in Fluid Flow

In the paper, mathematical model and numerical procedure of multibody system forward dynamics in incompressible fluid flow is presented. The described procedure is shaped on the basis of loosely coupled partitioned algorithm, where fluid and MBS domains are treated separately and coupled during integration. Moreover, beside dynamical models for fluid and MBS partitions, dynamics of deforming finite volume mesh (needed for fluid dynamics numerical integration) is modeled via pseudo–solid approach. The MBS generalized forces pertinent to the aerodynamic loads are reduced during calculation to mass centre of the corresponding rigid body, after being calculated at the fluid mesh on the current deformed configuration of the fluid–structure interaction boundary. In the context of the MBS integration, the additional coordinates partitioning algorithm is performed within the stabilized time-integration routine, in order to avoid the MBS kinematical constraint violations due to the numerical errors (differential-algebraic system of index 1). The described loosely coupled integration procedure is applied to the numerical simulation of the flow induced dynamics of the wing-aileron multibody system.

multibody systems; incompressible fluid flow; fluid-structure interaction; loosely coupled integration procedure

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Podaci o prilogu

2010.

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objavljeno

Podaci o matičnoj publikaciji

Proceedings of the IV European Conference on Computational Mechanics - ECCM 2010

Pariz:

Podaci o skupu

IV European Conference on Computational Mechanics - ECCM 2010

predavanje

16.05.2010-21.05.2010

Pariz, Francuska

Povezanost rada

Zrakoplovstvo, raketna i svemirska tehnika