Strain Energy Analysis In ANSYS Mechanical

In most structural problems, strain energy is a very important aspect to see the situation of engineering situation. ANSYS® provides a strain energy solution result to see the strain energy results in structural FEA analyses.

Here we briefly explain the strain energy phenomenon in structural mechanics and how to see the strain energy result in ANSYS® structural analyses. 

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What Is The Strain Energy?

In classical mechanics, the strain can be calculated with the stress and elasticity modulus of the material of the system. These stresses can be tensile stress, bending stress, etc. The strain is calculated via Hooke’s law. 

But there is another engineering term called strain energy. The strain is also defined as the unit elongation or deformation of the material that undergoes stresses. There is an energy requirement to store the total strain on the whole body. This energy is called strain energy. And strain energy has a very simple equation;

How To Calculate Strain Energy Result In ANSYS® Mechanical?

First of all, you need to create a good mesh structure to see accurate analysis results in ANSYS®. And you need to define the required boundary conditions to model the physical conditions of the real-world model. After these steps in FEA analysis in ANSYS®, you can see the strain energy result like this; 

Select the strain energy option in ANSYS® Mechanical.

To see the strain energy result in ANSYS® Mechanical, right-click on the ‘Solution’ tab then hover your mouse on the ‘Insert’ and select the ‘Strain Energy’ option from the ‘Energy’ menu as you see above.

Then hit the ‘Solve’ button above to see the strain energy result in ANSYS® Mechanical.

Strain energy result in ANSYS® Mechanical.

As you see above, the strain energy is shown as color contours. You can manipulate these contour results to see the strain energy result in different aspects in ANSYS®.


As you understand that the calculation of the strain energy results in ANSYS® Mechanical is very simple. 

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

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


2 responses to “Strain Energy Analysis In ANSYS Mechanical”

  1. Ubaidullah Avatar

    HOW DO FIND STRAIN ENERGY OF A COMPONENT IN A COMPLEX MODEL (For example, strain energy in a nozzle of tank)?

    1. Strain energy result is just a solution that is derived from the main calculations of the FEA analysis. Your question is directly related to the how to build a tank nozzle analysis. It is important how to define the boundary conditions, how to define and make the load and force assumptions. Building the correct model is your problem. Not the strain energy or other results.

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