406 A Tribology Module for Use with the Finite Element Method
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概要
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This paper presents a tribology model for hot forging operations. The friction model considers contact patches where an initial film thickness is entrained at the contact patch edges and evolves within the patch during the forging operation. The initial entrained film thickness is obtained from simplified solutions of the Reynolds equation. Film thickness evolution is dictated by a Reynolds equation formulation that includes the stretch term and roughness effects on lubricant transport. Surface roughness of the workpiece is allowed to evolve in the process, and the real fractional contact area is then calculated based on the roughness and film thickness assuming a Gaussian surface. Friction is calculated based on the real area of contact. The program is implemented as a user routine in a popular commercially available finite element code, DEFORM 2D.
- 一般社団法人日本機械学会の論文
著者
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Wilson William
Department Of Electrical And Computer Engineering Rice University
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Wilson William
Department Of Mechanical Engineering University Of Washington Seattle
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Schmid Steven
Department of Mechanical Engineering, University of Notre Dame
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Liu Jiying
Department of Mechanical Engineering, University of Notre Dame
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Schmid Steven
Department Of Aerospace And Mechanical Engineering University Of Notre Dame
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Schmid Steven
Department Of Mechanical Engineering University Of Notre Dame
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Liu Jiying
Department Of Mechanical Engineering University Of Notre Dame
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