Ansys Code For Semimonocoque

ANSYS ]]

Results for Semi-monocoque structure


Preference: Structural


Preprocessor:
Element type: SHELL99


Real Constants: Mat no. theta Set 1: 1.0000 0.0000 Set 2 : 1.0000 0.0000

thk 3.800 40.000

 Section type:


Material Properties: Linear  Elastic  Isotropic Young’s modulus [E] = 70000

Poisson’s ratio [ν] = 0.33


Modeling:  Creating

key points:

Key point number = 1 X, Y, Z= 0.00000

0.00000

0.00000

Key point number = 2 X, Y, Z= 0.00000 1000.00

0.00000

Key point number = 3 X, Y, Z= 500.000 1000.00

0.00000

Key point number = 4 X, Y, Z= 500.000 0.00000

0.00000

 Creating line: Line between key points 1 & 2

 Extruding line: Extrude the line about key points 3 & 4

 Extruded model:

 Creating bulkheads by dividing by work plane:

 Creating cutouts at the centre by dividing the area by cylindrical volume:

 With cutouts:


Meshing: Creating T-section stiffeners

Stiffeners:

Mesh attribute for bulkheads:

 Bulkheads & Stiffeners

Meshed object:


Loads: Static analysis Fixed at the bottom

Force Fy on selected nodes. Fy = -4629.60000


Static analysis:


Solution(static) Solving the problem.

Eigen buckling:


General Postprocessor: Plot Results
Deformed shape

Side view showing the cutouts deformation

 VonMises stress:

 Stress at the cutout showing the maximum value

 Buckling Mode shape: 1

Mode shape: 2

Mode shape: 3