How tangential slip distance is calculated in the archard wear model

shiw
shiw Altair Community Member

How is the tangential slip distance calculated in the archard wear model? Was it extracted from the contact model? Hope to get a detailed answer, thank you

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Answers

  • Stephen Cole
    Stephen Cole
    Altair Employee

    Hi,

    You can see the Archard Wear code here:

    Site faviconWear modeling in EDEM - Archard Abrasive Wear Model with Geometry Deformation

    // Get normal force
    double normalForce = contactResults.normalForce.length();

    // Calculate tangential displacement
    double tangDisp = relVel_t.length() * timeStepData.timeStep;

    // Calculate wear volume
    double wearVol = wearConstant * normalForce * tangDisp;

    The normalForce is passed to the Archard model from the base physics model chosen. The tangential displacement is calculated per time-step based just on the relative tangential velocity of the two elements in contact.


    Regards

    Stephen

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