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*CONTACT PAIR

Keyword type: model definition

This option is used to express that two surfaces can make contact. There is one required parameter: INTERACTION . The dependent surface is called the slave surface, the independent surface is the master surface. Surfaces are defined using the *SURFACE. The dependent surface must be defined as a nodal surface (option TYPE=NODE on the *SURFACE keyword), whereas the independent surface should be defined as a set of element faces.

The INTERACTION parameter takes the name of the surface interaction (keyword *SURFACE INTERACTION) which applies to the contact pair. The surface interaction defines the nature of the contact (hard versus soft contact..)

First line:

- *CONTACT PAIR
- enter the required parameter INTERACTION and its parameter.

Following line:

- Name of the slave surface (must be nodal).
- Name of the master surface (must be based on element faces).

    Example:

    *CONTACT PAIR,INTERACTION=IN1
    dep,ind

defines a contact pair consisting of the nodal surface dep as dependent surface and the element face surface ind als independent surface. The name of the surface interaction is IN1.

Example files: contact1, contact2.

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