# Equivalent Plastic Strain In ANSYS Mechanical

Here, we explain what is the equivalent plastic strain on an engineering body and how to calculate the equivalent plastic strain in ANSYS® Mechanical structural analyses.

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## What Is Equivalent Plastic Strain?

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If you look at the stress-strain curve of material, there is a point called as ‘yield point’. After the stresses beyond this yield point, the material undergoes non-elastic deformation. There is a permanent deformation after this yield point. Their permanent deformation is called plastic deformation in materials science.

The equivalent plastic strain is the total strain energy of this plastic deformation value on a material.

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## How To See The Equivalent Plastic Strain In ANSYS® Mechanical?

It is very simple. First of all, you need to be defined the required boundary conditions for your FEA analysis in ANSYS® and you need to be created the mesh structure.

To see the equivalent plastic strain results in ANSYS®, right-click on the ‘Solution’ tab then hover your mouse on the ‘Insert’. Then select the ‘Equivalent Plastic’ option from the ‘Strain’ tab as shown above.

Click on the ‘Solve’ button to see the equivalent plastic strain result of your FEA structural analysis in ANSYS®.

According to the result above, there is no plastic deformation on the part. If it was a plastic deformation, the equivalent plastic strain will be shown as contours.

## Conclusion

Looking at the equivalent plastic strain results in ANSYS® is very simple as you see above.

Do not forget to leave your comments and questions below about the equivalent plastic strain results in ANSYS® Mechanical.

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