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- W4229052557 abstract "This paper proposes a modified tangential contact stiffness model considering friction’s effect, which is the first key step to establish the dynamic model of the fixture-workpiece system, and this is the foundation of vibration suppression for the manufacturing process of aerospace blades. According to Love’s elastic deformation, the model’s derivation process starts with the potential function in each coordinate axis’s direction respectively. The generalized Hertz contact theory is employed to calculate the contact forces in this model. The symmetrical characteristic of the contact area has simplified the derivation process to obtain the eventual tangential contact stiffness model. A validation experiment focusing on a tangential stiffness measuring is achieved by putting two spherical objects in contact together to get the tangential contact stiffness. Based on the data collected in this experiment, a comparison with a most similar existed model is carried out, and the result shows that the relative error of this modified model are all less than 10%, while the original model’s (the most similar model) relative error exceeding 50% captures more than 3/4 of the 30 data sets randomly selected in each experiment group, and that means the modification of this paper brings great improvement to the contact stiffness model." @default.
- W4229052557 created "2022-05-08" @default.
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- W4229052557 date "2022-05-06" @default.
- W4229052557 modified "2023-09-26" @default.
- W4229052557 title "The Mechanical Structure Contact Mechanism Analysis Considering Modified Tangential Stiffness with Friction’s Effect" @default.
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- W4229052557 doi "https://doi.org/10.3390/app12094658" @default.
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