Abstract
This work deals with the generation of MATLAB script files that assists the user in the design of a composite laminate to operate within safe conditions. The inputs of the program are the material properties, material limits and loading conditions. Equations based on Hooke’s Law for two-dimensional composites were used to determine the global and local stresses and strains on each layer. Failure analysis of the structure was performed via the Tsai-Wu failure theory. The output of the program is the optimal number of fibre layers required for the composite laminate, as well as the orientation of each layer.
Highlights
Composites are extremely versatile materials and may be tailored to suit any function
This work deals with the generation of MATLAB script files that assists the user in the design of a composite laminate to operate within safe conditions
A MATLAB script file was generated that uses the conventional approach in the design of composite laminates
Summary
Composites are extremely versatile materials and may be tailored to suit any function. The material properties, material limits, number of fibre layers, and the fibre orientation and thickness of each layer as well as the loading conditions need to be known These quantities are used in the governing equations and numerous matrix computations are required. Certain regions of a composite structure, such as holes and other high stress zones, may need more reinforcement than others These areas would require more fibre layers. The second program used a different approach where the number of inputs were reduced to just the material properties, material limits and applied loading conditions. The outputs of this program are the number of layers and the fibre angle of each layer. These programs are discussed in further detail after the equations governing the stress-strain relationships are examined
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