Week 1 Stress Concentration on a Plate with hole
Case 1
Input:
Plate dimensions:
Length=300mm
Height=120mm
Thickness=30mm
Circular Hole at the center:
Diameter=60mm
Material: Structural Steel
Applied Force: 1000N in -Z direction
Result:
Model (A4) > Static Structural (A5) > Solution (A6) > Total Deformation
|
Time [s] |
Minimum [mm] |
Maximum [mm] |
Average [mm] |
|
1. |
0. |
5.4984e-004 |
2.7589e-004 |
Model (A4) > Static Structural (A5) > Solution (A6) > Equivalent Stress
|
Time [s] |
Minimum [MPa] |
Maximum [MPa] |
Average [MPa] |
|
1. |
2.0172e-002 |
1.212 |
0.34741 |
Case 2
Plate dimensions:
Length=300mm
Height=120mm
Thickness=30mm
Circular Hole at the center:
Diameter=60mm at the center of the plate
2x 30 mm dia. Holes at 90 mm from the center of the plate
Material: Structural Steel
Applied Force: 500N in -Z direction
Results:
Model (A4) > Static Structural (A5) > Solution (A6) > Total Deformation
|
Time [s] |
Minimum [mm] |
Maximum [mm] |
Average [mm] |
|
1. |
0. |
2.4256e-004 |
1.1917e-004 |
Model (A4) > LoadCase (A5) > Solution (A6) > Equivalent Stress
|
Time [s] |
Minimum [MPa] |
Maximum [MPa] |
Average [MPa] |
|
1. |
9.868e-004 |
0.58202 |
0.17123 |
|
Load (N) |
Deformation (mm) |
Equivalent (von mises) Stress (MPa) |
|
|
Case 1 |
1000 |
5.50E-04 |
1.212 |
|
Case 2 |
500 |
2.43E-04 |
0.58202 |
|
diff |
500 |
0.00030728 |
0.62998 |
|
%age diff |
50 |
56 |
52 |
Conclusion: Two 30 mm dia. hole are not affecting the overall strength. but contributing and weight saving.