Principal stress
= Principal stress
{title2=$\sigma_i$}
The principal stresses are the <eigenvalues> of the symmetric <Cauchy stress tensor>. In their <orthonormal eigenbasis>, each <traction> is normal to its corresponding principal plane.
= Principal stress
{title2=$\sigma_i$}
The principal stresses are the <eigenvalues> of the symmetric <Cauchy stress tensor>. In their <orthonormal eigenbasis>, each <traction> is normal to its corresponding principal plane.