ANSYS Reaction Forces: How to Use for Calculating Bolt Forces

In summary, the reaction forces at the mounting holes can be used to determine the forces acting on the mounting bolts in a static structural analysis. The force in the direction of the bolt can be used to find the tensile force, while the resultant of the other two directions can be used to calculate the shear force. However, if the bolts are not stiff relative to the structure, their flexibility may affect the load distribution and they may need to be included in the FE model. The level of importance also depends on the safety factors included in the design procedures.
  • #1
Earth_2304
3
0
Hello,

Can the reaction forces at the mounting (fixed) holes of a component in a static structural analysis be used directly to find out the forces acting on the mounting bolts?

If my understanding is correct, the force in the direction in the axis of the bolt will be used to find the tensile force, and the resultant of the other 2 directions will be used for finding out the shear force acting on the bolt.

Any help on this is much appreciated...

Thank you
 
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  • #2
That is correct, provided the bolts are stiff relative to the structure.

Otherwise, the flexibility of the bolts themselves will redistribute the loads, and you may need to include the bolts in the FE model.

How important this is also depends on what safety factors are included in your design procedures, of course.
 

Related to ANSYS Reaction Forces: How to Use for Calculating Bolt Forces

1. What is ANSYS Reaction Forces and how is it used?

ANSYS Reaction Forces is a tool used to calculate the forces acting on bolts in a structure. It is commonly used in engineering and design applications to ensure the safety and stability of a structure.

2. How does ANSYS Reaction Forces calculate bolt forces?

ANSYS Reaction Forces uses the principle of equilibrium to calculate the forces acting on each bolt. It takes into account the external forces acting on the structure and the internal forces acting on the bolts to determine the resulting bolt forces.

3. What information is needed to use ANSYS Reaction Forces?

In order to use ANSYS Reaction Forces, you will need to input the geometry and material properties of the structure, as well as the external forces acting on the structure. You will also need to specify the type and properties of the bolts being used.

4. Can ANSYS Reaction Forces be used for all types of structures?

ANSYS Reaction Forces can be used for a wide range of structures, including beams, frames, and trusses. However, it may not be suitable for complex or non-linear structures, in which case other analysis methods may be more appropriate.

5. How accurate are the calculations from ANSYS Reaction Forces?

The accuracy of the calculations from ANSYS Reaction Forces depends on the accuracy of the input data and assumptions made about the structure. It is important to validate the results with physical testing or other analysis methods to ensure accuracy.

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