Model Construction and Finite Element Simulate Based on Experiment Study of Magneto Rheological Finished Machine

Abstract:

In this paper, turn the medium of magneto rheological liquid into continuation, and using of the critical Reynolds number determine method of liquid move state and compound with non-Newton fluid, get the conclusion of finished machine abrasive magnetic liquid fluid as laminar fluid, for having no mathematics’ model practical or be fit with the experiment, especially the distribution of shear and velocity stress, In this paper, using of the critical Reynolds number to determine the liquid state of magnetic fluid state, and in determined the fluid state, using non-Newton fluid dynamics and tensor analysis theory and also compound with the double dynamic viscosity model, analysis the abrasive magnetic fluid quality of kinematics shear stress, according to the quality, contracture the dynamic model of abrasive magnetic liquid finished machine, during the interfere, using the double viscosity fluid model, we may get the conclusion, liquid magnetic abrasive, when the shear stress more or less the bend stress, and mark with plasticity viscosity η_p0 , η_pγ which round the work piece center, the velocity distribution as laminar, and also, analysis the flow field mathematics’ model by the finite element, and also going on the numerical simulate for the magnetic fluid velocity field of finished machine.

• Periodical: Key Engineering Materials (Volume 620)
• Pages: 288-296
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.620.288
• Online since: August 2014
• Authors: Hansong Yang*, Peng Li, Li Zhi Gu, Hui Juan Guo
• Keywords: Bingham Fluid Model, Double Viscosity Fluid Model, Finished Machine, Magnetic Fluid, Numerical Simulate

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