Graphical representation of anisotropic failure envelopes

Abstract

In the design of anisotropic materials, such as advanced fibre‐reinforced composites, the failure envelope has a crucial role. A geometrical representation of the envelope is of particular value to investigate the highly anisotropic nature of the strength of the material. This provides the design engineer with a visualization of the failure envelope by graphically representing it using a CAD package. Use is made of both stress‐based and strain‐based polynomial failure criteria and examples are given of changes in the failure envelope due to changes in fibre orientation for a high strength graphite/epoxy composite lamina.

Citation

Zhang, W. and Evans, K.E. (1989), "Graphical representation of anisotropic failure envelopes", Engineering Computations, Vol. 6 No. 3, pp. 209-216. https://doi.org/10.1108/eb023776