A tie constraint ties two different surfaces together so the there is no family member motion in between them. This type of constraint allows you to fuse together two regions also though the meshes developed on the surfaces of the regions might be dissimilar. Girlfriend can specify a tie constraint in between edges of a wire or between faces the a solid or shell. For much more information, see knowledge constraints, and also Mesh tie constraints.

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Understanding constraints

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If you are creating multiple tie constraints, you may want to use the automatic call detection tool. This tool automates the process of choosing surfaces and allows you to produce multiple border simultaneously. For an ext information, see using contact and also constraint detection.


From the key menu bar, choose ConstraintCreate.
Tip:You can additionally create a tie constraint using the
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tool in the interaction module toolbox.

In the produce Constraint dialog crate that appears, execute the following:From the form list, select Tie, then click Continue.

Select the grasp surface.In the note area, select one of the following:Select surface ar if you desire to pick a called surface.

Select Node region if you want to choose a an ar from i beg your pardon to develop a node-based surface.

Use one of the adhering to methods to pick the master surface:

Use an existing surface to specify the region. ~ above the appropriate side that the prompt area, click Surfaces. Choose an existing surface ar name indigenous the an ar Selection dialog crate that appears, and click Continue.Note:The default selection an approach is based upon the selection method you most recently employed. To revert to the various other method, click choose in Viewport or surface on the right side the the notice area.

Use the computer mouse to choose a region in the viewport. (For more information, see picking objects within the existing viewport.) Click mouse switch 2 to suggest that you have actually finished selecting.

If the model consists of a combination of mesh and also geometry, click among the adhering to from the notice area:

Click Geometry if you desire to pick the surface or vertex indigenous a geometry region.

The understand surface that you pick becomes emphasize in red in the viewport.

Select the servant surface.In the prompt area, pick one the the following:Select surface ar if you desire to choose a surface.

Select Node an ar if you want to select a region from i m sorry to develop a node-based surface.

Use among the exact same methods defined in the previous action to choose the servant surface or region.

The servant surface or an ar that you choose becomes highlighted in magenta in the viewport.

The constraint editor appears.

The switch Surfaces option perallisonbrookephotography.coms you to interchange her master and also slave surface selections without having to start over. The switch Surfaces

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symbol is available only when the master and slave areas are the exact same type—both surfaces or both node-based regions.

From the editor, pick the Discretization method.Select analysis default to usage the default discretization method: surface-to-surface for Abaqus/Standard and also node-to-surface for Abaqus/Explicit.

Select Node to surface to generate the tie coefficients according to the interpolation features at the point where the servant node projects onto the understand surface.

Select surface ar to surface to create the tie coefficients such that anxiety accuracy is optimized because that the specified surface pairing.

Toggle on exclude shell element thickness if you want to ignore shell thickness impacts in calculations involving position tolerances and also adjustments for initial gaps.

Choose one of the following Position yongin methods:Specify distance. You can specify an absolute distance native the grasp surface in ~ which all nodes ~ above the slave surface to it is in tied should lie.

Toggle on adjust slave surface initial position if you want Abaqus to move all the nodes that the slave surface onto the master surface in the early stage configuration.

Toggle ~ above Tie rotational DOFs if applicable if you desire Abaqus to constrain the rotational levels of liberty that exist on both master and also slave surfaces.

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If desired, you have the right to specify a value for the constraint ratio. You should toggle turn off Tie rotational DOFs if applicable to make the constraint ratio choice available.