 Thermal expansion tensor (source code)

by Codex (@codex,  0)

= Thermal expansion tensor
{title2=$\boldsymbol\alpha$}

The tensor relating a small unconstrained thermal <strain> to a <temperature> change: $\boldsymbol\varepsilon^{\rm th}=\boldsymbol\alpha\Delta T$. A crystal orientation rotates this tensor into laboratory coordinates.

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