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:. Disclaimer
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:. Components:
:. Combustion Chamber
:. CDN Nozzle
:. Gasoline Tank
:. Injector System
:. Internal Structure
:. Launch Control
:. Pressure Manifold
:. Pressure Tank
:. Propellants
:. Solid Fuel and Ignition
:. T-stoff Tanks
:. --

:. Data:
:. CFD CDN01
:. FEA Combustion Chamber
:. FEA F-02
:. FEA F-03
:. FEA F-04
:. FEA F-05
:. FEA F-06
:. FEA F-07
:. FEA T-stoff Flange
:. Pressure Tank Test

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Static Analysis of Flange F-05

1. Description
2. Materials
3. Load & Restraint Information
4. Study Properties
5. Stress Results
6. Strain Results
7. Displacement Results
8. Deformation Results
9. Design Check Results
10. Conclusion
11. Appendix


1. Description:

Flange F-05 is the base flange for the pressure reservoir. The flange will be constructed from 1/16 inch thick1100 Aluminum alloy with an approximate diameter of 6 inches. The flange will be attached to the support structure through the three outer holes. The flange will be attached to the bottom of the pressure reservoir using an industrial epoxy, so the entire central region of the flange will be considered immobile. The large outer hole is for the pressure line and will not be attached directly to the line. The outer edge of the flange will fit tightly against the skin and will be considered stationary. The worst case scenario for this flange will occur if the total thrust is transmitted through the support structure and in applied directly through this flange.


2. Materials:

No. Part Name Material Mass Volume

1

F-05

[SW]AL-1100-H2

0.0619392 kg

2.2857e-005 m^3



3. Load & Restraint Information:

Restraint
Restraint-1 <F-05> on 1 Edge, 25 Faces fixed.



Load
Force-1 <F-05> on 3 Faces apply force 15 lb normal to reference plane with respect to selected reference Face <1> using uniform distribution Sequential Loading


4. Study Properties:

Mesh Information
Mesh Type: Solid mesh
Mesher Used: Standard
Automatic Transition: Off
Smooth Surface: On
Jacobian Check: 29 Points
Element Size: 0.11177 in
Tolerance: 0.0055885 in
Quality: High
Number of elements: 12166
Number of nodes: 24773



Solver Information
Quality: High
Solver Type: FFE
Option: Include Thermal Effects
Thermal Option: Input Temperature
Thermal Option: Reference Temperature at zero strain: 77 F


5. Stress Results:

Name Type Min Location Max Location

Plot1

VON: von Mises stress

0.0008143 psi
Node: 13288
(77.1539 in,
23.7006 in,
0.0315 in)
4023.98 psi
Node: 23905
(73.6114 in,
23.5547 in,
0.063 in)



F-05 Base of Pressure Tank Flange-Stress-Plot1
JPEG
VIEW


6. Strain Results:

Name Type Min Location Max Location
Plot1
ESTRN: Equivalent strain
2.98095e-011
Element: 2574
(77.1553 in,
23.4399 in,
0.0315 in)
0.000239658
Element: 10939
(73.6257 in,
23.8609 in,
0.00441846 in)



F-05 Base of Pressure Tank Flange-Strain-Plot1
JPEG


7. Displacement Results:

Name Type Min Location Max Location

Plot1

URES: Resultant displacement

0 in
Node: 1
(78.9022 in,
23.698 in,
-1.46945e-012 in)
0.000882933 in
Node: 23912
(73.6596 in,
23.7493 in,
0.063 in)



F-05 Base of Pressure Tank Flange-Displacement-Plot1
JPEG


8. Deformation Results:

Plot No. Scale Factor
1
680.37



F-05 Base of Pressure Tank Flange-Deformation-Plot1
JPEG


9. Design Check Results:

F-05 Base of Pressure Tank Flange-Design Check-Plot1
JPEG


10. Conclusion:

In this scenario, the flange appears to have a factor of safety of 3.7. The stresses and strains appear to be well under critical values and the deformation is negligible.


9. Appendix:

Material Name:
[SW]AL-1100-H2
Description:
--
Material Source:
Used SolidWorks Material
Material Library Name:
materials
Material Model Type:
Linear Elastic Isotropic


Property Name Value Units Value Type

Elastic modulus

6.8948e+010

N/m^2

Constant

Poisson's ratio
0.33
NA
Constant
Shear modulus
2.5993e+010
N/m^2
Constant
Mass density
2709.9
kg/m^3
Constant
Tensile strength
1.1032e+008
N/m^2
Constant
Yield strength
1.0342e+008
N/m^2
Constant
Thermal expansion coefficient
2.4e-005
Kelvin
Constant
Thermal conductivity
220
W/(m.K)
Constant
Specific heat
904
J/(kg.K)
Constant