ELASTIC INSTABILITY OF RECTANGULAR SANDWICH PANEL OF ORTHOTROPIC CORE WITH DIFFERENT FACE THICKNESSES AND MATERIALS. Composite Structure Report No. 1
Technical Report
·
OSTI ID:4338930
ABS>The elastic instability of rectangular sandwich panels of orthotropic core and faces with different materials and unequal thicknesses is treated. The panel is simply supported and loaded with edge compression. The differential equations and corresponding boundary conditions are derived from the classical energy integral by means of the variational method. The critical edge compression per unit width can be expressed as a product of two parts: the major buckling coefficient and critical buckling load. The complicated geometrical parameters and different component materials are included in a single graph. The effect of different face temperatures on the maximum collapsing load can be interpreted from the present theory. A comparison with current different methods is given. A number of illustrating examples are shown. (auth)
- Research Organization:
- Minnesota. Univ., Minneapolis. Inst. of Tech.
- NSA Number:
- NSA-12-011406
- OSTI ID:
- 4338930
- Report Number(s):
- AFOSR-TN-58-221; AD-154122
- Country of Publication:
- United States
- Language:
- English
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