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首页> 外文会议>ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference 2006 vol.4 pt.A: Fluid-Structure Interaction >COUPLING OF LATTICE BOLTZMANN AND FINITE ELEMENT METHODS FOR FLUID-STRUCTURE INTERACTION APPLICATION
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COUPLING OF LATTICE BOLTZMANN AND FINITE ELEMENT METHODS FOR FLUID-STRUCTURE INTERACTION APPLICATION

机译：格-波兹曼耦合与流固耦合有限元方法

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摘要

In order to analyze the Fluid-Structure Interaction (FSI) between a flow and a flexible structure, an algorithm was presented to couple the Lattice Boltzmann Method (LBM) and the Finite Element Method (FEM). The LBM was applied to the fluid dynamics while the FEM was applied to the structural dynamics. The two solution techniques were solved in a staggered manner, I.e. one solver after another. Continuity of the velocity and traction was applied at the interface boundaries between the fluid and structural domains. Furthermore, so as to make the fluid-structure interface boundary more flexible in terms of the computational modeling perspective, a technique was also developed for the LBM so that the interface boundary might not coincide with the fluid lattice mesh. Some example problems were presented to demonstrate the developed techniques.
机译：为了分析流体与柔性结构之间的流固耦合（FSI），提出了一种将格子玻尔兹曼法（LBM）和有限元法（FEM）耦合的算法。 LBM适用于流体动力学，而FEM适用于结构动力学。两种解决方案技术是以交错方式解决的，即一个接一个的求解器。在流体域和结构域之间的界面边界处应用了速度和牵引力的连续性。此外，为了使流体-结构界面边界从计算建模的角度来看更加灵活，还为LBM开发了一种技术，以使界面边界可能与流体晶格网格不一致。提出了一些示例问题，以演示已开发的技术。

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