A FEA Comparison of Stiffener Systems in Circular Bulkheads

by: Nathan Medrek

MANE 6980

December 16, 2010

Project Description/Background

• 2 stiffening systems

• Bulkhead nomenclature

Milestones

10/28 Milestones

• Cartesian Bulkhead

10/28 Milestones - continuedOptimization 4

10/28 Milestones - continued

• Concentric Ring Bulkhead

10/28 Milestones - continuedOptimization 3

11/4 Milestones• Cartesian Bulkhead

Containment – 1.25”

Canning – 1.0”

Around cut-out – 2.25”

Perimeter Ring – 1.875”

11/4 Milestones Continued• Concentric Ring Bulkhead

Containment – 2.0”

Canning – 2.0”

Perimeter Ring – 2.25”

11/18 Milestones

• Cartesian Bulkhead

11/18 Milestones Continued• Cartesian Bulkhead (optimization 2)

11/18 Milestones Continued

• Concentric Ring Bulkhead

11/18 Milestones Continued

• Concentric Ring Bulkhead (Optimization 2)