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Before you start

The meanings of some basic elastic constants, including stiffness , strength and toughness .

The use of Ashby Materials Selection Maps ( See the TLP - Optimisation of Materials Properties in Living Systems )

Stress states and Mohr's circle (these are covered in the TLP - Theory of Metal Forming - Stress States and Yielding Criteria )

Tensors and matrices.

Some basic knowledge of plastic deformation and brittle and ductile fracture is also useful.

These are not pre-requisites and it should be possible to make use of this TLP even without knowledge of these concepts.

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