# Von Mises Stress Calculator For Ductile Materials

## What Is Von Mises Stress Calculator?

Von Mises stress calculation is the most used method to calculate the stress value on a stress element in ductile materials. It can be calculated from;

- Principle stress elements
- Biaxial stress elements

The formula that von mises stress is calculated by principle stress elements;

Sigma1 and Sigma2 represent the principal stress elements. You can click on that link to calculate the principal stress elements of your problem.

The sigma prime above represents the Von Mises Stress. This Von mises stress must be lower from the tensile strength of your ductile material which is divided with safety factor again. This is the safety rule of Von Mises’s stress of ductile materials. The safety factor depends on your application.

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The formula that Von Mises stress is calculated via biaxial stress elements;

This is also the form of Von Mises stress that is calculated with biaxial stresses. SigmaX is the stress element in the X-axis, SigmaY is the stress element on the Y-axis and Txy is the shear stress in the X-Y plane.

**How To Use Von Mises Stress Calculator?**

As we stated above, there are two methods to calculate Von Mises Stress. You must select one of them. If you select principal stress, you can calculate Von Mises Stress for ductile materials with principal stresses as stated above. If you select Biaxial stress, you need to enter biaxial stress and shear stress elements in the X-Y plane.

## Conclusion

As you see above, you just need to enter the required values into related boxes as shown by red arrows. Then click on the ‘Calculate!’ button. If you want to recalculate Von Mises stress, click on the ‘Reset’ button. Do not forget that you need to take care of UNITS! Units for stresses must be consistent.

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