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Quizzed article | REF: TRI250 V1

Model of Rough Contacts using a Statistical Approach

Authors: François ROBBE-VALLOIRE, Muriel QUILLIEN

Publication date: June 10, 2017, Review date: June 23, 2021 | Lire en français

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    3. Determining the model's microgeometric parameters

    Greenwood and Williamson's model describes contact between a rigid smooth surface and a deformable rough surface model, but most real-life situations involve two deformable rough surfaces. Using the model in real-life situations requires a gateway with three components:

    • a transition between a rough-on-rough geometry and the rough-on-smooth model;

    • a transition between the studied deformable-on-deformable contact and the rigid deformable contact of the model ;

    • finally, a method for identifying the parameters of the microgeometric model on each surface.

    These three components are detailed in the following paragraphs.

    3.1 Transition from...

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