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Homework Statement
why the strain of εxy , εxz , εyx , εzx , εyz , εzy is γ_xy / 2 , γ_xz / 2, γ_yx / 2, γ_zx / 2 , γ_yz / 2 ,
and γ_zy / 2 ?
how to get that ?.
Homework Equations
The Attempt at a Solution
Taking an example of εxy , what does γ_xy / 2 mean ? [/B]