ANSYS® provides various kinds of result tool to see the structural FEA analysis results. Here we explain what is stress and strain intensity in classical mechanics, and how to see the intensity results in ANSYS® structural analyses.
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As we stated in the maximum, minimum, and average principal stresses, there are generally three elements of principal stresses. Intensity is defined as the maximum value of the difference between the maximum and minimum principal stresses.
Generally, stress intensity is twofold of the maximum shear stress value.
Strain values of each principal stress can be also calculated with Hooke’s law. So, strain intensity is also defined as the difference between the maximum and the minimum principal strain values.
In FEA analyses in ANSYS® Mechanical, you need to define all the required boundary conditions and you need to obtain the required mesh structure. After these steps, you can see the strain or stress intensity values in ANSYS® as result.
To see the intensity results in ANSYS® Mechanical, right-click on the analysis system in ANSYS® Mechanical, hover your mouse on the ‘Insert’ tab. From this tab, select one of the ‘Stress’ or ‘Strain’ results. Then click on the ‘Intensity’ option as shown above.
After selecting this, click on the ‘Solve’ button above to solve the finite element analysis.
You can see above, the solution is shown as contours.
As you see above, the calculation of the stress and strain intensities is very simple.
Do not forget to leave your comments and questions below about the intensity results in ANSYS® Mechanical.
NOTE: All the screenshots and images are used for educational and informative purposes. Images used courtesy of ANSYS, Inc.