Accession Number : ADA307073

Title :   An Alternate Graphical Representation of Failure Surface.

Descriptive Note : Technical rept. Aug-Nov 73,

Corporate Author : AIR FORCE MATERIALS LAB WRIGHT-PATTERSON AFB OH

Personal Author(s) : Hahn, H. T. ; Tsai, S. W.

PDF Url : ADA307073

Report Date : MAY 1974

Pagination or Media Count : 54

Abstract : Failure surface of laminated composites can be constructed in special strain space such that the transformation of strain components becomes an orthogonal matrix. This construction provides a convenient means of studying strength of laminates consisting of arbitrary lamina orientations. This special construction of failure surface can be based on the maximum strain theory, the tensor polynomial theory or other failure criteria of the lamina. The effect of nonlinearity due to shear on the failure surface is also illustrated.

Descriptors :   *SURFACE ANALYSIS, *LAMINATES, *MATRICES(MATHEMATICS), *STRAIN(MECHANICS), *FAILURE(MECHANICS), THEORY, FAILURE, SURFACES, NONLINEAR SYSTEMS, CONSTRUCTION, POLYNOMIALS, STRENGTH(GENERAL), GRAPHICS, TENSORS, ORTHOGONALITY.

Subject Categories : Laminates and Composite Materials
      Numerical Mathematics

Distribution Statement : APPROVED FOR PUBLIC RELEASE