Week 11 Car Crash simulation
Report Week 11 Car Crash simulation
Aim: Perform a parametric study using 3 different values of thickness for the car body. Apply the same conditions as mentioned in the video that corresponds to this challenge.Analyse the total deformation and Equivalent stresses acting on the model.
Procedure:
Choose 3 different value of thickness: 0.3mm, 0.7mm and 1.5mm
Material: Structral Steel and Stainless Steel NL.
Import geometry:
Symmetry region:
Mesh:
Tetra mesh for wall
Triangle mesh for car body
Face sizing 175mm
Final mesh
Analysis setting
Fixed support
Displacement
Result:
case 1:
Total deformation
Equivalent stress
case 2:
Total deformation
Equivalent stress
case 3:
Total deformation
Equivalent stress
Conclusion
| case | Total Deformation | Directional Deformation | Equivalent Stress |
| 1 | 1042.5 | 47.2 | 9674.1 |
| 2 | 1036.9 | 47.1 | 9616.8 |
| 3 | 1022 | 49.8 | 9527.3 |
From the table, it is observed that maximum total deformation is case1, because thickness is 0.3, it gets deformed easily compared to other cases. The v-m stress for case1 is maximum, because the stiffness is less and the impact force absorbed is more compared to other cases.