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OBJECTIVE:Perform a Explicit dynamics analysis of a bullet penetrating into a bucket in ANSYS Workbench. The bullet is assigned a material of tantalum with a rigid stiffness. The bucket is assigned with three different material non linear materials TASK For this challenge, i would simulate a bullet penetrating into a bucket.…
Leslie Enos
updated on 02 Mar 2021
OBJECTIVE:Perform a Explicit dynamics analysis of a bullet penetrating into a bucket in ANSYS Workbench.
TASK
For this challenge, i would simulate a bullet penetrating into a bucket. I would need to use 3 different non linear materials for the bucket and analyse their behaviour for the same velocity of bullet. Attach an animation to show the behaviour in the three cases.
CONNECTIONS
MATERIAL
ALuminium Non-Linear Material
Stainless Steel Non-Linear Material
Magnesium Non-Linear Material
MESHING
ANALYSIS SETTING
BOUNDARY CONDITIONS
OUTPUT REQUEST
ALuminium Non-Linear Material
OUTPUT REQUEST
Stainless Steel Non-Linear Material
Magnesium Non-Linear Material
DISCUSSION
MATERIAL | DEFORMATION(mm) | STRESS (Mpa) | DENSITY (Kg/mm3) | YOUNGS MODULUS (MPA) |
STAINLESS STEEL | 1484 | 7330.60 | 7.75 e-06 | 193,000 |
MAGNESIUM |
1390 | 3030.50 | 1.8 e-06 | 45,000 |
ALUMINIUM |
1390 | 1642.70 | 2.27 e-06 | 71,000 |
The penetration of the bullet into the bucket purely depends on the density and young modulus of the material being used.
It is known that young modulus of a material is directly proportional to the hardness of that material. Therefore the higher the modulus, the harder the material which results in greater resistance to deformation. In this case more stress is needed to penetrate the material.
Stainless steel which has the highest density and modulus developed the highest stresses due to penetration resistant properties of the material.
CONCLUSION
This task was simulated succesfully and the effect of bullet striking a bucket was analysed and deduced.
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