Week 11 Car Crash simulation

Aim: To perform a parametric study using 3 different values of thickness for the car body.

Software: Ansys 2021 R1

Summary

Objective

Procedure for setup

Results

Conclusion

Objective:

To to perform a parametric study using 3 different values of thickness for the car body.

To analyse the total deformation and Equivalent stresses acting on the model

Introduction:

This project is about performing a parametric study using 3 different values of thickness for the car body. The car body will be fixed and the wall will move a given distance.

Procedure for setup

Open ANSYS>>Drag and Explicit dynamics model in the project schematic window.

Go to the engineering data to choose the materials: Stainless Steel alloy.

Go to the model tab

Rename the different as required

Set the thickness of the car body at a given value and to parametric type.

Go to connection >> contacts

Delete the default contacts

Set the symmetry

Go to tab for the meshing:

For the meshing choose the values as follows:

The following analysis settings are defined for the simulation.

Set the fixed support

Set the displacement:

Go to solution tab and insert equivalent stress, total deformation and Plastic equivalent strain.

Results

From parametric chart:

Case 1 : 0.3mm for the thickness

Total Deformation

Equivalent Stress

Case 2 : 0.6mm for the thickness

Total Deformation

Equivalent Stress

Case 3 : 0.9 mm for the thickness

Total Deformation

Equivalent Stress

Parametric result

Conclusion

Through this parametric study, we notice that maximum Equivalent stress and maximum total deformation are decreasing when we increase the thickness of the car body.