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hookeslaw.hh File Reference

Stress-Strain relationship according to Hooke's law. More...

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Description

Hooke's law describes a linear stress-strain relationship.

σ=cϵ with ϵ=12(grad(u)+grad(u)T)

Furthermore, homogeneous and isotropic materials are assumed.
As proportionality constants the first and second Lamé parameters are used.
The final stress-strain relationship yields the following:

σ=2μϵ+λtr(ϵ)I

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