Advanced Beaded and Tubular Structural Panels | Zendy

M. MUSGROVE | Zendy; B. E. Greene | Zendy; J. L. Shideler | Zendy; Herman L. Bohon | Zendy

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Advanced Beaded and Tubular Structural Panels

Author(s) -

M. MUSGROVE,

B. E. Greene,

J. L. Shideler,

Herman L. Bohon

Publication year - 1974

Publication title -

journal of aircraft

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 94

eISSN - 1533-3868

pISSN - 0021-8669

DOI - 10.2514/3.60325

Subject(s) - buckling , structural engineering , minimum weight , bending , structural stability , shields , compression (physics) , materials science , computer science , engineering , composite material , electromagnetic shielding

A review is presented of an NASA program to develop light-weight beaded and tubular structural panels which can be applied where beaded external surfaces are acceptable aerodynamically or where primary structure is protected by heat shields. The design shapes were obtained with an optimization computer code which iterates geometric parameters to satisfy strength, stability and weight constraints. Methods of fabricating these new configurations are discussed. Nondestructive testing produced extensive combined compression, shear and bending test data on local buckling specimens and large panels. The optimized design concepts offer 25 to 40% weight savings compared to conventional stiffened sheet construction.

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