Piola–Kirchhoff stress tensor Knowledge graph concept · also referred to as second Piola-Kirchhoff stress tensor, second Piola-Kirchhoff stress Mentioned in Variational Formulation of Elasticity post · 2018-04-01 Related concepts Almansi strain tensor 1 Deformation gradient 1 Green–Lagrange strain tensor 1 Hyperelasticity 1 Potential energy 1 Strain energy density 1 Variational formulation 1