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 # set\_default

 Last update: 29.04.2026 

<a id="ansys.meshing.prime.ContactPreventionParams.set_default"></a>

#### *static* ContactPreventionParams.set\_default(source\_scope=None, target\_scope=None, size=None)

Set the default values of the `ContactPreventionParams` object.

**Parameters:**

**source\_scope: ScopeDefinition, optional**

Source scope used for contact prevention control.

**target\_scope: ScopeDefinition, optional**

Target scope used for contact prevention control.

**size: float, optional**

Minimum gap size (gap/4) to resolve contact between source and target.