Boundary Conditions : 2000 lb on the top surface

Boundary Conditions :

1. 2000 lb on the top surface

2. 1 Atm Pressure on the outer surfaces

Modifications:

1. Included two longitudinal ribs

2. Attached two Triangular ribs on four corners

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Boundary Conditions :

• 2000 lb on the top surface

• 1 Atm Pressure on outer surfaces

Modifications:

1. Included radial rib in the middle

2. Removed the two Triangular ribs on four corners

3. Reduced the lengths of the plates on the top.

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Symmetry Works !!!!!

FE Model : Puffing Latest1

Stresses above 13 ksi ( Allowable stress )

Modifications:

1. Included top plate to hold valves

2. Added ribs on the corners

3. Working Stress is 24 Ksi ( 6061 T6 Al)

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