Maximum Shear Stress Safety Tool In ANSYS Mechanical(Illustrated Expression)

It is an another safety tool option in ANSYS Mechanical like Maximum Equivalent Stress. This is a very useful tool to asses the shear stresses in your application. Also you can assess the fatigue loadings in notches, fillets etc. which they will act as stress risers. But maximum shear stress theory used for ductile materials, if the fatigue loading in stress riser sections is not main concern, you do not need to take into consideration these stress raisers. In these situations, failure occur from complete cross-section, not from little stress riser zones in ductile materials. In here, we will show you the general formulae that used to calculate maximum shear stress options and how to adjust Maximum Shear Stress Safety Tool in ANSYS Mechanical.

What Are The General Formulae For Maximum Shear Stress Tool In ANSYS Mechanical?

Three options for maximum shear stress tool in ANSYS Mechanical.

Fs: Safety Factor

Ms: Safety Margin

f: Shear strength fraction for yield or ultimate strength. Generally 0.5 for general applications.

Slimit: Limit strength value for selected material.

Tmax: Maximum shear stress

As you see above, you can use these options for maximum shear stress calculations in ANSYS Mechanical.

How To Use Maximum Shear Stress Calculations In ANSYS Mechanical?

Maximum shear stress in ANSYS Mechanical.

For example, you defined all of your boundry conditions for your problem in ANSYS Mechanical like above. To see ‘Max. Shear Stress’, right click on ‘Solution’ then hover your mouse on ‘Insert’ option, then do the same thing for ‘Stress Tool’ as shown by red arrows above. Then select ‘Max. Shear Stress’ as shown in red box above in ANSYS Mechanical.

Select a calculation method for Maximum Shear Stress.

As you see above, you can select one of three options that we stated above. You just need to right click on ‘Stress Tool’ after adding ‘Max Shear Stress’. Then hover your mouse on ‘Stress Tool’ option. Then select a method.

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