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The Finite Element Method for the Identification of Dynamic Coefficients of Oil Film Journal Bearings

Li Li

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Abstract

The finite element method is used for analyzing the oil film force of bearing,it follows that the identification of the dynamic coefficients for the oil-film in a journal bearing (including the oil-film stiffness and damping coefficients).The Reynolds Equation needs to be solved only once.The comparison of the calculation results and the theoretical values demonstrates that this method is effective and practical.

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What this paper is about

The finite element method is used for analyzing the oil film force of bearing,it follows that the identification of the dynamic coefficients for the oil-film in a journal bearing (including the oil-film stiffness and damping coefficients).The Reynolds Equation needs to be solved only once.The comparison of the calculation results and the theoretical values demonstrates that this method is effective and practical.

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Available abstract

The finite element method is used for analyzing the oil film force of bearing,it follows that the identification of the dynamic coefficients for the oil-film in a journal bearing (including the oil-film stiffness and damping coefficients).The Reynolds Equation needs to be solved only once.The comparison of the calculation results and the theoretical values demonstrates that this method is effective and practical.

Key concepts: Finite element method, Bearing (navigation), Reynolds equation, Stiffness, Identification (biology), Element (criminal law), Mathematics, Engineering

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