CircleCutUserObject

Creates a UserObject for circular cuts on 3D meshes for XFEM

The CircleCutUserObject defines the boundary of a circular cut for XFEM to make on a 3 dimensional mesh. The user enters three points in the cut_data parameter in x, y, and z coordinates: first the center point of the circle, followed by two points on the boundary of the circle. The object calculates the radius and angle of the circle (with respect to the x-y plane), verifies that the points define a circle (rather than an ellipse), and has logic to determine if a given point is inside the cut plane.

Example Input Syntax


[UserObjects]
[./circle_cut_uo]
type = CircleCutUserObject
cut_data = '-0.5 -0.5 0
0.0 -0.5 0
-0.5 0 0'
[../]
[]
(modules/xfem/test/tests/solid_mechanics_basic/penny_crack.i)

Input Parameters

• cut_dataVector of Real values providing cut information

C++ Type:std::vector

Options:

Description:Vector of Real values providing cut information

Required Parameters

• heal_alwaysFalseHeal previous cuts at every time step

Default:False

C++ Type:bool

Options:

Description:Heal previous cuts at every time step

• blockThe list of block ids (SubdomainID) that this object will be applied

C++ Type:std::vector

Options:

Description:The list of block ids (SubdomainID) that this object will be applied

Optional Parameters

• enableTrueSet the enabled status of the MooseObject.

Default:True

C++ Type:bool

Options:

Description:Set the enabled status of the MooseObject.

• use_displaced_meshFalseWhether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.

Default:False

C++ Type:bool

Options:

Description:Whether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.

• control_tagsAdds user-defined labels for accessing object parameters via control logic.

C++ Type:std::vector

Options:

Description:Adds user-defined labels for accessing object parameters via control logic.

• allow_duplicate_execution_on_initialFalseIn the case where this UserObject is depended upon by an initial condition, allow it to be executed twice during the initial setup (once before the IC and again after mesh adaptivity (if applicable).

Default:False

C++ Type:bool

Options:

Description:In the case where this UserObject is depended upon by an initial condition, allow it to be executed twice during the initial setup (once before the IC and again after mesh adaptivity (if applicable).

• seed0The seed for the master random number generator

Default:0

C++ Type:unsigned int

Options:

Description:The seed for the master random number generator

• implicitTrueDetermines whether this object is calculated using an implicit or explicit form

Default:True

C++ Type:bool

Options:

Description:Determines whether this object is calculated using an implicit or explicit form