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Defining Velocity To Bodies And Geometries In ANSYS® Analyses

Defining Remote Displacements In ANSYS® Analyses

In physics and mechanics, remote displacements are very important physical facts. And you may need to define remote displacements on the parts in ANSYS® Mechanical analyses. 

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Here we explain how to define remote displacements in ANSYS® Mechanical analyses in detail. 

How To Define Remote Displacements In ANSYS®? 

You can define remote displacements only in these analysis types in ANSYS® Mechanical: Transient structural, rigid dynamics, explicit dynamics, modal, static structural, and harmonic response. 

Click on ‘Remote Displacement’.

To define remote displacement, right-click on the analysis as you see above. Then hover your cursor on ‘Insert’ and click on ‘Remote Displacement’ to define it in ANSYS® Mechanical.

Select the geometric features for the ‘Remote Displacement’.

After inserting remote displacement in ANSYS®, select the geometric features that you want to deform by remote displacement. For example, we will try to deform this geometry from the upper side of it. Click on ‘Apply’ to select geometric features. 

Select the reference point.

Select the reference location that you want to apply remote displacements and rotations to selected geometries. The location is shown with a tiny label symbol as shown by the red arrow above. 

You can change its location by selecting a place then clicking on the ‘Apply’ button in the ‘Location’ tab in the red box. Also, you can enter the coordinates for x, y, and z according to the selected coordinate system.

Apply the rotation and displacement components.

Enter the required rotation and displacement values according to the selected reference point for each x, y, and z coordinates.

Boundry condition definition methods in ANSYS®.

You can define all of these entries in different methods. If you click on the little arrow to open the pop-up menu like above for each component, you will see the options. 

  • Free: With this option, you can define this component or DoF as free in which there are no restrictions. 
  • Tabular(Time): If you select the ‘Tabular(Time)’ option, you can define this component as changing with time on a tabular basis like below. 
Tabular data.

You can also adjust other components in the table that is shown above. You can adjust step controls to obtain more accurate physical conditions for each component in ANSYS®. 

  • Function: You can define the components that change with time as the ‘time’ function. The variable is always ‘time’. 
Defining the ‘Remote Displacement’ as function of time.

You can see that, ‘Y’ component is defined as a function of time. You can see each time’s results in Tabular Data.

Adjust the ‘Number Of Segments’ to separate tabular data into equal rows in this number.

Select the behavior.

You can also select the behavior of this boundary condition like above. 

Conclusion

The remote displacement option is a very useful tool to analyze the outcomes of different buckling and deformations on different parts in ANSYS® Mechanical analyses. 

Do not forget to leave your comments and questions below about the remote displacement in ANSYS® Mechanical.

NOTE: All the screenshots and images are used for educational and informative purposes. Images used courtesy of ANSYS, Inc.

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