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Week 10: Bullet penetrating a Bucket Challenge Aim: Simulating Bullet penetrating a Bucket for the given model in Ansys Workbench. Case1: Aluminium NL as Bucket Material Case2: Stainless Steel NL as Bucket Material Case3: Titanium Alloy NL as Bucket Material Procedure: Intially…
dinesh reddy
updated on 13 Apr 2022
Week 10: Bullet penetrating a Bucket Challenge
Aim: Simulating Bullet penetrating a Bucket for the given model in Ansys Workbench.
Case1: Aluminium NL as Bucket Material
Case2: Stainless Steel NL as Bucket Material
Case3: Titanium Alloy NL as Bucket Material
Procedure:
Intially the Explicit Dynamics system is loaded in workbench.
Engineering materials used for this model:
Case1:
Case2:
Case3:
Bullet Material for all cases:
The model imported to Geometry by RMB on geometry -> import -> Bullet_bucket.stp
Case1:
Case2:
Case3:
Here, meshing, contacts, boundary condition setup, and solution output request are given for analysis.
Meshing:
Meshing is done to Bucket by sizing around the partition edge
Analysis Settings:
Same for both tests and end time is taken as 0.01s and energy error as 5
Boundary Conditions:
velocity is applied on Bullet: -139000mm/s
Fixed support applied on bottom of the bucket:
After setting the boundary conditions, the soultion outputs as requested is included from
Only for Case 1:
solution -> insert -> Stress -> equivalent von mises
solution -> insert -> Deformation -> Total deformation
Solution -> Worksheet -> user defined temperature
Results:
The solving is taken place and can be checked from
The results are taken for Stress and deformation for both cases
Equivalent stress:
Case 1:Aluminium NL
Case 2: Stainless Steel NL
Case 3: Titanium Alloy
Total deformation:
Case 1: Aluminium NL
Case 2: Stainless Steel NL
Case 3: Titanium Alloy NL
Comparison of Equivalent stress and directional deformation for both cases:
Bucket Material | Max Equivalent Stress, MPa | max Total Deformation , mm |
Aluminium NL | 1409.9 | 750.2 |
Stainless Steel NL | 3618.6 | 142.02 |
Titanium Alloy NL | 5372.8 | 801.3 |
The very high values in deformation is due to splintering of bucket at high temperature due to impact of bullet.
Conclusion:
Simulation of bullet impact on the bucket on the given model is successfully simulated using ANSYS WORKBENCH.
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